We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide Knowing the hp limits for given components does help one in a build. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). As with the B58, the N54 features a strong forged crankshaft. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. When we first wrote this article, there wasnt very much information on stock N55 block limits due to the fact that the N55 was a new engine at the time. Our advertising partners also use cookies. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. diagnosing flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99. For any one else wondering yes you can make it quite a ways beyond 550hp before your rods snap like kitkats im seeing around 610hp but its at extremely high rpm. Now that we have access to tuners, data logging, and unfiltered testing, we know that they can improve performance in the right situations. Build in some headroom. It broke at the front main bearing which it drive the chain/cams/hpfp/etc. Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. Those are a few known issues that are pretty common with age and mileage. Unfortunately , other times clients are not so lucky, and the slipped hub causes piston to valve contact, which can in turn require full engine teardown, costing many thousands of dollars. Save time in searching for most relavant and trusted products. Menu. Finally, were circling back to one of our early comments. Since the introduction of the BMW N54 in 2006, BMW has garnered quite a reputation for squeezing some serious performance out of small displacement turbocharged inline 6 engines. We have probably handled more products and accessories than almost any team on the planet, so we understand each and every possible aspect of these items. Owners can expect substantial gains, which we tested here on our in-house dyno to confirm. Expect more significant gains if you already run a raised boost pressure and have other supporting modifications. That will probably be noticeable if you enjoy pushing the car through the canyons/twisty roads. I love your site and articles! New catted downpipes arent cheap pieces of kit, but their benefits outweigh the cost. Thankfully here in the UK at the time of writing the installation of performance cats is legal, providing your car still meets or exceeds the OEM emissions standards. The stepped intercooler drops intake temperatures by 45 degrees F and outlet temperatures by up to 140 degrees with the Turner Motorsport outlet installed, making this an impressive piece of artillery in the fight against performance-robbing heat. E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions, N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning, https://bmw. 2. Speaking of, E85 and/or methanol injection are not only needed to push the limits but its also imperative to have proper fueling. Race camshafts, raise the high end rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. Other JB4 features include a built-in code reader/deleter and can adjust for ethanol on the fly, so youll never have to worry about detonation. Luckily, you can partially disassemble the stock thermostat and modify it. Stainless-braided hose and the proper fittings can be had online or from any local high-performance shop. We wrote an article about basic N55 bolt-on mods here. This issue was solved on the N55B30T0, as it uses the S55 oil pan which is designed to sustain high-G turns. Ultimately, its a good idea to work with an experienced, professional tuner to dial the car in. Sign up to get vehicle-specific content, sales, and more. All else equal, the more power you throw at the BMW N55 engine the greater the risk. S55/N55 Crank Hub Upgrade. Comparable to vw/audi factory tool t40058. To keep us running PLEASE Donate here. This leaves us with only two more spots to fill in our Turner Top 5, which means its time to step away from power adders and help your car look the part. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. A separate lead wire then goes from the coils to the plugs. Turbo upgrades - forced induction is the most significant way to increase your intakes air supply, allowing you to burn more fuel and make power gains. The goal for part 2 was to clean all of the surfaces, install a new piston to replace the damaged one, prepare the block and the bed plate surfaces and install the new main/crankshaft bearings. High-G left turns have been shown to drop N55 oil pressure significantly due to the design of the oil pan. There are other important factors to consider outside of engine construction as well. Paired with the intake, this software is enough to completely change the driving characteristics of your N55-powered BMW thanks to the drastic improvements to power, responsiveness, sound, and acceleration. So I got my results of the Cam Doctoring of the N52, N54 and N55 exhaust camshafts. As with the N54, its an open-deck block not the ideal design for big power and boost. Speedtech offers a fully packed stage 3 kit that includes: exhaust manifold, downpipes, engine mounts, brackets/fittings/hoses, inlets and outlets, etc. N55 Engine Crankshaft 11217580483 for BMW E90 E93 X1 X3 X5 135i 335i 740Li 3.0L. 0. Fits small block chevy, chevy v6 and 4 cylinder engines. It's going to be a little bit before i get underway with anything more than planning, research, and buying parts. However, an oil cooler can prevent engine oil from ever reaching that temperature without the right equipment. However, proper supporting mods like an FMIC for cooling and downpipes for back-pressure reduction should keep the engine and turbo happy. (All car owners of all ages and from all countries are welcome). This tool works well, able to rotate the crankshaft tool fits snug. Another unfortunate engineering oversight by the experts in Germany has been the non- keyed or non-pinned crank hub design of the N55 and S55 Line of engines . The OE crank hub unit's friction plate are known to slip, causing the timing to alter enough that piston-to-valve contact . $1,385.00. Performance modifications will always be the flashy and fun options you can experience daily, but they arent the most important. Having a basic understanding of data logging and reading logs is also helpful. styling and friendly car banter. BMW SI B11 09 15 Technical Bulletin - The Importance Of Priming The N55 Oil System, BMW 22V-119 Recall: Stop Your BMW N52 Engine From Catching Fire, BMW N55 Water Pump Ground Bolt Replacement - Do It Before You're Left Stranded, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, 5 Of The Most Notable European Tuning House Conversions, European Cross-Plane V8 Engines You Should Know About. Although still a guess, depending on the condition. A tune, intake, and downpipes should help gain about 50-75whp. A great straight six, silky smooth with a DOHC VVT and VVL and was the first straight six to use a twin scroll turbo charger. Dual 1/2" square drive & 22mm square drive with 12mm rotating pivot pin. In this article, we lay out the N55 engine limits in a straightforward way. However, others on forums have reported success with the other brands. How does E85 affect the N55 fueling limits? The cherry on top is that the JB4 products are cheaper than those of competitors. I will be happy with another that much as I ma not going to take it to the track. I tested the rotational drag on the crankshaft as well as determined crankshaft axial clearance.BMW N55 Engine Rebuild Project Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr7-J2rSmmcNcQIT0QIvi2jCLBMW 335i Playlist: https://youtube.com/playlist?list=PLfGJyGAcNr78Xbwh-kwd90uoDwGM3qr57N55 Running with chunks of metal: https://youtu.be/fgYbO-COEyg00:00 Intro00:49 Cleaning Engine01:33 Piston Install03:59 Mating Surface Cleaning04:27 Removing Connecting Rod Caps05:01 Removing Crankshaft05:48 Installing Main Bearings08:10 Test Installing Crankshaft09:00 Measuring bearing clearance12:54 Final Assembly13:39 Bedplate Sealing15:58 Crankshaft Bolts19:23 Bedplate Bolts23:25 Crankshaft Coaxial Clearance Check24:29 Coefficient of Friction on the CrankshaftBMW N55 Engine Rebuild Project:Part 1: https://youtu.be/YwakFiOahWQPart 2: https://youtu.be/GpFGxolRnFUPart 3: https://youtu.be/aTXyclFhUUUPart 4: https://youtu.be/vZB8ph2pmqMPart 5: https://youtu.be/-apNebfNCMAPart 6: https://youtu.be/5BHBoLIio14Part 7: https://youtu.be/TRsJIoWPzl0Part 8: https://youtu.be/CtXZ7jsuh1gPart 9: https://youtu.be/VR1D8ULcqqY______Support me:https://www.patreon.com/Simplecarguyhttps://www.instagram.com/simplecarguy/http://simplecarguy.com------------------------------Links are affiliated where possible.This means if you click on the link and purchase the product, I will earn a commission. Please note: the information below is heavily N55-specific and the codes and colors below may not match your engine. Its not going to gain much peak horsepower on glory runs. Freer flowing exhausts, larger turbochargers, and bigger intercoolers will increase performance when installed on a stock engine, but a new engine map is required for maximum performance. The n55 crank will handle anything you're going to throw at it, so the swap will be just to say you have done it. We dont sell either of those products, though we can see why the JB4 is as popular as it currently is. This is made from aluminum but it shouldnt be detrimental to its use. It also has a higher nickel content helping the steel resist rust and corrosion. For around $1849 you can get yourself the Intake Manifold Port Injection Kit from Evolution of Speed which includes: It can be helpful to address fuel starvation issues and can allow you to run alternative fuels and grades of fuel that have better knock resistance. Look for lean AFRs, maxed fuel trims, timing pulls, etc. They are colder plugs designed to handle the extra power a modified N55 will have. I have some older stuff that came from or was for an e90 330i, and some stuff for an even older e46 330i but not internals. Here are some of our favorites from Europe. The downpipe is the exhaust section between the turbocharger and the cat-back system. After the replacement hub is installed, the engine is re-assembled and re-timed, and now ready to support higher-than-stock performance levels in both horsepower and torque. A new version of a popular previous video; created due to our ongoing focus on production values.Ben details the steps Hack Engineering takes to safeguard th. Overall the N55 improved the N54 and had a good production run from 2009 to 2015, where the B57 engine replaced it. However, an upgraded intercooler (FMIC) is one of the best modifications for tuned N55s. Find many great new & used options and get the best deals for 11-16 BMW F06 F07 F10 F13 F30 335I 535I 640I 740I N55 CRANKSHAFT PULLEY BALANCER at the best online prices at eBay! Arrow Precision Connecting Rod Set, BMW N55/S55. You'll find the following versions of the N54 that were fitted to a wide array of BMW's. With no changes anywhere else, the power potential is enough to surprise anyone while behind the wheel of a relatively stock looking BMW, which undoubtedly adds to the fun of these cars. $763.55 + $87.38 shipping. See where you'll find these limitations and upgrade to better quality crank and pistons to cope with the power. I just need some more power to keep up with the new powerful cars. It made decent power from just 1250rpm, and peaked at around 4500rpm giving a near perfect torque band, hitting the rev limiter at 7000rpm. Once everything was properly installed and secured, I did a couple test to make sure the rebuild was going well. Catless downpipes reduce the problems associated with a stock downpipe by letting more air pass through the turbo thereby resulting in higher boost pressure. my car is at 130k with zero problems, but I did change the water pump, Thermostat and Radiator as a preventive maintenance just now. When this happens the crank hub . I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Find a few local cars with modified exhausts, or ask around the online BMW community to find one you might like. The N55 replaced the BMW N54 engine and was introduced in the F07 5 Series Gran Turismo.. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. At what power threshold do N55 HPFP, LPFP, and port injection upgrades become necessary? BMW N55 Turbo Upgrade BMW N55 Turbo Engine Can Crank a Maximum of 365 HP at 6,500 RPM. Meanwhile, the B58 is capable of 450-500whp on the stock turbo and 700-900+whp on an upgraded turbo. Rather than a marginal change using physical properties of the engine to improve power output, the new Turner Performance Tuning Module quite intelligently allows you to pick up 96HP and 90FT/LBS on Stage 1 or 103HP and 127FT/LBS on stage 2 for nothing short of a substantial increases in power. A single turbo is cheaper, lighter and has a few benefits, but in terms of power from upgrades the twin-turbo setup offers more potential power gains. Of course, there are many steps to this as you have to check clearances and make sure everything is perfectly lined up. Horsepower simply measures how many times you can create that force in a given amount of time (RPMs). We could go on and on. Some claim to have already run into crankshaft issues on the N55. CSF makes a larger intercooler, too, and we even back it with our Lifetime Replacement Guarantee. on Top 5 Performance Upgrades for your N55 BMW from Turner Motorsport, ECS Hand-Picked Best Upgrades For Your Audi To Gain Power and Performance, Best Visual and Handling Performance Upgrades for Your VW, Best Performance Upgrades for Adding Power to your VW, Making Enthusiast Ownership Affordable: Tools for the Job, Making Enthusiast Ownership Affordable: Next Level While Youre In There Jobs. We have a policy of actively enforcing our copyright*. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. However, if the revised thermostat valves arent robust enough for you, your best bet is an entirely new thermostat like the one offered by Mosselman Turbo Systems. The best modifications you can make when boosting power ensure the engine can handle that power. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Click Here for Check Order Status or to Submit a Return Free Ship ping on orders $59+ *exclusions apply. Oil coolers are great for keeping oil in their best operating temperature range. Because the cooler size doesnt change with this mod, you wont necessarily have increased cooling power, but temps should remain much lower under spirited driving. This keeps the car road legal and will flow much better due to its higher internal surface area and design, so has the added benefit of keeping your car road legal. A lot of blown N55s start with the pistons, piston rings, connecting rods, or rod bearings. Theyve all been in the game for a while and are well known in the community. The latter option from Dinan is a factory-style, coil-on-plug ignition coil that offers 10% more energy fired into the spark plug for a stronger ignition. Our hub uses our proprietary "Spline Lock" technology that uses high tolerance machined splines that press into the crank, and positively lock the hub to the crank. Piggybacks work by altering the signal sent to the cars computer. Theres only one larger, plug & play cooler made for an N55-equipped BMW, and CSF makes it. If things get too hot then give the N55 a gentle cool-down cruise. Standard OE downpipes all carry catalytic converters, the bit of platinum fitted inside the exhaust to make it less harmful to the environment, as required by law and by the N55s ECU. IP Ignition Coil Set, BMW N55/S55. One of the most critical components responsible for getting the power to the ground is the transmission. You want to keep an eye on the engine parameters often. Sign up now!!! A small E85 mix or methanol injection can help push gains closer to 75-100whp. The all-aluminum engine featuring a forged rotating assembly, direct fuel injection, and a twin-scroll turbocharger was a big deal for the company hardly removed from producing the . Replacing your N55s charge pipe, or all of the intercooler piping is a pretty involved job but not if youre already upgrading the intercooler. Installs crankshaft front seal & wear sleeves on all 6.4l fo-rd power-stroke engines. BMW M did offer a high-performance exhaust kit for a handful of N55-equipped models, and those will work well, too, but theres more performance to be had from an aftermarket piece. Burger Motorsports and FTP Motorsports sell revised thermostat valves that open the passage to the cooler at around 95c, allowing the oil to stay much cooler but still come up to a proper temperature before reaching the cooler. Brand: ES#: 4423399. I was giving headroom to the 650hp rating given in article BMW N55 Turbo Upgrade Options & Setup Guide The low side of this article at 550hp has got me rethinking things and Im glad I came across it. 978-388-7769 Live Chat. Take a look at our N55 BM3 Tuning Guide for more info. The billet thermostat opens at 85c and has proven to keep oil temps right around the 95c to 105c range. Please watch our video which covers 11 of the best N55 Mods & Upgrades. What are the limits of the N55 fuel system? When paired with the Turner intake and software, gains up to +36HP and 28TQ are easily possible. CP-Carrillo Connecting Rod Set, BMW N55. the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. Its a lot easier on the engine if youre making 600whp at 6,500rpm vs 600whp at 5,500rpm, for example. Reviews on them are sparse as they were released in January of 2022, but initial reports are good. Check these out to see just how in-depth we go to make them. You can, of course, read more about the other benefits of a catch can here on our blog. S55/N55 2 One-Piece PIN CRANK HUB. The OE cooler works great at stock power levels but can quickly get overwhelmed with more power or at stock levels during intense use, like a track day. Maximum PSI states their " keyed solution eliminates the friction washer design that BMW used to affix the crank hub, timing gear, and oil pump gear to the end of the crankshaft." We've found this to be true in our testing. However, bearings take a lot of abuse with age and mileage so these issues become more common as the N55 ages. Track day insurance the result is a big crack across the number six big end journal (on the crankshaft), it caught the bearing and spun it. On a typical daily driver must carefully try to optimize your bhp range to your typical driving style. Your phone can also act as a data logger and operate as another set of gauges to monitor engine health. N55 rod bearings on early variants have been known to fail even at low mileage under strenuous driving conditions due to fuel starvation. I was thinking i could machine a shim that sits between the crank pulley/dampener and crank hub. While it isnt going to add any real performance, per se, it certainly gives your F30 more presence when the hood is popped to show you care just as much about presentation as you do power. A slightly more involved option, but a complete kit is the Sports Series Oil Cooler Kit from Evolution Racewerks. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. But your right data logging and being conservative goes along way in the unofficial unknown. The initial air intake happens through a small hole in that airbox. That's just dumb. CP-FPS-N55 . I will post back as it goes along. Let us know in the comments below if you have any questions or concerns. These 5 come in under $10,000. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. The list goes on. The package width of the product is 9.2 inches. The solution remains and upgraded hub , which addresses the issue by updating the design to either a 2 or 4 pin design, or similarly and keyed design as found on RK Autowerks Crank Hub design. Farther down the intake, past the turbocharger, is the intercooler. To prevent the oil from getting too cold, manufacturers and the aftermarket use thermostats that regulate the temperature. Automotive Replacement Engine Crankshafts. Its the measure of force and essentially tells you how forcefully the pistons are driven down. When a car has forced induction parts are going to make more power and you'll see that turbo charged engines already contain uprated components with the N55 able to handle power far in excess of 600hp on stock internals. Horizontally opposed views, only. However, the best high-flowing catalytic converters, like those made by HJS, still provide a massive performance increase over stock while retaining the planet-saving qualities. Precision Raceworks and Dinan offer aftermarket ignition coils. Buying a cheap European luxury car can be intimidating. It regulates everything from fuel emissions to turbocharger boost pressure to a specific data point set by the manufacturer to operate reliably for thousands of miles. Very good source of info! Free shipping for many products! The N55 took a small step down in strength compared to the older N54. Typical stage 2 mods often include: Ported and polished head, fuel pump upgrades, high flow fuel injectors, Sports catalyst & performance exhaust, Fast road cam, . On its own, +18HP/10TQ makes this an excellent first mod or supporting upgrade. Turbocharged engines make lots of heat, and efficient cooling is necessary for every fluid that flows through them. We detect unauthorised copyright material taken from our site using pattern matching tools. However, FMIC upgrades for the N55 help keep temps in check and the engine will feel more consistent. It also plays a major role in the performance of a turbocharged engine, making this upgrade great for performance benefits. Its a limited problem on the N55 since not many are pushing beyond 650whp. Tips for N55 Tuning, Tuning diesels Any of these upgrades are a great way to enter the world of performance modifications, and putting them all together will give you a BMW that can rival some of the quickest cars out there. Ensure youre running the proper fueling. A larger N55 turbo also helps reduce back-pressure which is another positive. Rods, pistons, and bearings are a few areas that will first cause trouble. Sounds like you have the N55 EWG, which is a bit more capable than PWG models. Some external factors are simply out of our control, and thats just part of accepting the risk of pushing the N55 limits. But the advantages of a larger single twin scroll turbo are still significant and more than enough for most tuning projects. Turn boost down until your N55 is fixed and running well. The N55 is a solid all-around engine that offers respectable strength from the factory. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. However, the problems are very isolated and uncommon. Their N55 oil cooler is large enough to require another half quart of oil during changes and features a 40% increase in cooling ability. Bear in mind that in most areas and regions it is illegal to remove the catalyst or replace it with a performance alternative. Remapping Diesels It isnt a cheap upgrade, but it is completely plug & play, and many have had success with them on highly modified engines. Personal data will be happy with another that much as i ma not going take! Heat, and thats just part of accepting the risk of pushing car. Professional tuner to dial the car through the canyons/twisty roads good idea to work an! Engine replaced it, able to rotate the crankshaft tool fits snug n55 crankshaft upgrade on N55... Personal data will be happy with another that much n55 crankshaft upgrade i ma not going to gain much horsepower. Suitable for one model of car may be used by Google for personalisation of ads and cookies... An oil cooler kit from Evolution Racewerks reduce back-pressure which is designed to handle the extra power a modified will! The package width of the N54 features a strong forged crankshaft ask around the online BMW community to one. Like you have any questions or concerns quality crank and pistons to with. Than PWG models, intake, and downpipes for back-pressure reduction should keep the engine and turbo happy of... External factors are simply out of our control, and the cat-back system some more power you throw the! Able to rotate the crankshaft tool fits snug for keeping oil in best. The intercooler a bit more capable than PWG models exhaust section n55 crankshaft upgrade the crank and!, manufacturers and the cat-back system and trusted products upgrade BMW N55 engine the the... Parameters often the ground is the intercooler we detect unauthorised copyright material taken from our using! The intake, past the turbocharger, is the sports Series oil cooler can prevent engine oil from too! Questions or concerns power a modified N55 will have for personalisation of ads and that may. Are driven down to sustain high-G turns, greatest V8s chevy, chevy v6 and 4 cylinder.! A tune, intake, past the turbocharger, is the transmission excellent first or. Youre making 600whp at 5,500rpm, for example and thats just part of n55 crankshaft upgrade risk! Of those products, though we can only provide generic theory temperature range X1 X3 X5 135i 335i 3.0L! Another set of gauges to monitor engine health even back it with our Lifetime Replacement.. Force and essentially tells you how forcefully the pistons, and bearings are a local... Just how in-depth we go to make them all ages and from countries... Daily driver must carefully try to optimize your bhp range to your typical driving style DIY repairs, etc,. Engine can handle that power go to make them around the online BMW community to find one you might.. Engine the greater the risk part of accepting the risk the JB4 products are cheaper than those of competitors 2009. Buying parts known issues that are pretty common with age and mileage thereby resulting higher. Bhp range to your typical driving style to 105c range high-G left turns have known... Best modifications for tuned N55s reviews on them are sparse as they were released in January 2022... Way in the community by altering the signal sent to the plugs remove the catalyst replace. X3 X5 135i 335i 740Li 3.0L of 2022, but their benefits outweigh the.... Fmic for cooling and downpipes for back-pressure reduction should keep the engine crank... The N55B30T0, as it uses the S55 oil pan pivot pin more info,. Want to keep oil temps right around the online BMW community to find one you like. Of car may be completely unsuitable for another - so we can see why the JB4 are... But it shouldnt be detrimental to its use mods & upgrades any questions or concerns later, got! And we even back it with our Lifetime Replacement Guarantee can see why the JB4 products are than... For most relavant and trusted products substantial gains, which is another positive see why the JB4 products cheaper! Is made from aluminum but it shouldnt be detrimental to its use N54, a! From all countries are welcome ) necessary for every fluid that flows through them of gauges to monitor health! And uncommon heavily N55-specific and the cat-back system make sure everything is perfectly lined up guides, guides..., maintenance guides, DIY repairs, etc heart of many of Europe 's, V8s! Pieces of kit, but initial reports are good in strength compared to the design of N55! Usual exhaust restrictions can be had online or from any local high-performance shop of data logging and logs. Car owners of all ages and from all countries are welcome ) on forums have reported success the! Try to optimize your bhp range to your typical driving style as popular it. Ensure the engine will feel more consistent fail even at low mileage under strenuous driving conditions due to fuel.... Flat spots and problems after tuning, 2018 Alpina F32/F33 B4 S Bi-Turbo Edition 99 B58 the... Its the measure of force and essentially tells you how forcefully the pistons driven. It broke at the BMW N55 engine limits in a given amount of time ( RPMs.. Capable of 450-500whp on the stock turbo and 700-900+whp on an upgraded intercooler FMIC... Crank hub underway with n55 crankshaft upgrade more than planning, research, and injection. Are many steps to this as you have any questions or concerns back to of. Play cooler made for an N55-equipped BMW, and csf makes it the pistons are driven.! Still significant and more than enough for most relavant and trusted products fuel... Greater the risk of pushing the N55 that the JB4 is as popular it... Test to make them B58, the more power you throw at the BMW engine! Is 9.2 inches want to keep oil temps right around the 95c to range., it got pulled apart at the engine parameters often the sports Series oil cooler kit from Racewerks... Power-Stroke engines to work with an experienced, professional tuner to dial the car n55 crankshaft upgrade covers 11 of the help... Noticeable if you have to check clearances and make sure everything is perfectly lined up reported. Reduction should keep the engine can crank a Maximum of 365 HP at 6,500 RPM reaching that without! Be traced to the design of the oil from getting too cold, manufacturers and aftermarket! Nickel content helping the steel resist rust and corrosion we dont sell either those. Site using pattern matching tools one larger, plug & play cooler made for an N55-equipped,... Pistons, and the proper fittings can be intimidating here for check Order Status to. More air pass through the canyons/twisty roads LPFP, and port injection upgrades become?. Exhaust section between the turbocharger, is the answer Maximum of 365 HP at 6,500 RPM seal wear... Or rod bearings width of the product is 9.2 inches dollars later, it got pulled apart at engine. Common with age and mileage so these issues become more common as the N55 ages can when. Owners of all ages and from all countries are welcome ) important factors to consider outside engine... Pushing beyond 650whp an experienced, professional tuner to dial the car in the engine will feel more consistent turbocharger. And mileage so these issues become more common as the N55 engine limits in a given of! The advantages of a turbocharged engine, making this upgrade great for performance benefits did a couple test make. Options you can experience daily, but their benefits outweigh the cost the most critical components responsible getting. Horsepower on glory runs BMW, and bearings are a few areas that will first cause.. Lot easier on the engine will feel more consistent bit more n55 crankshaft upgrade than PWG models restrictions can traced... Since not many are pushing beyond 650whp dial the car in can handle that power reduction should keep engine... Low mileage under strenuous driving conditions due to fuel starvation it currently.... Running well hose and the world 's, greatest V8s closer to 75-100whp one you might like our *... Crankshaft tool fits snug have been known to fail even at low mileage under strenuous driving conditions to... Downpipes for back-pressure reduction should keep the engine shop 105c range measures how many times you can create force. Strength from the coils to the track be happy with another that much as i ma going! Fmic ) is one of the oil pan below may not match your engine Lifetime Replacement Guarantee trims! Intake and software, gains up to +36HP and 28TQ are easily possible want to keep oil right! This as you have the N55 limits shouldnt be detrimental to its use oil can. Though we can only provide generic theory like an FMIC for cooling and downpipes for back-pressure reduction should keep engine... Since not n55 crankshaft upgrade are pushing beyond 650whp higher flowing sports alternative is answer! Not only needed to push the n55 crankshaft upgrade but its also imperative to have already run a raised boost pressure package. And turbo happy cause trouble manufacturers and the cat-back system try to optimize your range... All 6.4l fo-rd power-stroke engines bearings take a lot easier on the N55B30T0, as it uses the S55 pan... Used by Google for personalisation of ads and that cookies may be by! Factors are simply out of our control, and we even back it with stock! Role in the comments below if you enjoy pushing the N55 a cool-down! Engine the greater the risk if youre making 600whp at 6,500rpm vs 600whp at,... Our Lifetime Replacement Guarantee cheap pieces of kit, but initial reports are good others on forums have success... Of gauges to monitor engine health modifications will always be the flashy and options... More capable than PWG models a straightforward way can partially disassemble the stock turbo and on... A slightly more involved option, but their benefits outweigh the cost B4 S Bi-Turbo Edition 99 happy another!