The Delphi coils are your best bet for consistent spark and reliable service based on the recommendations of FCP Euros BMW Catalog Manager and Guru, Gareth Foley. Tuning in Forza. Brand: ES#: 4423399. Ensure youre running the proper fueling. Manufacturers love their plastics in modern engine bays as they are lightweight, cheap to produce, and relatively durable. The N55 really loves higher octane fuel and gives more power and better economy with most drivers claiming costs per mile work out the same as using the low octane fuel. Once the exhaust leaves the turbo, get it out with as little restriction as possible. With the higher flowing cat, expect a double-digit horsepower and torque gain. When it comes to N55 limits, engine blocks are an interesting discussion. These are however expensive parts that are likely to cost you upwards of $500. The all-new Kies Crank Seal Guard is an inexpensive insurance policy to protect your very expensive BMW N55 and even S55 from potential catastrophic engine failure! Just had a knocking noise diagnosed on my 2014 M135i, many dollars later, it got pulled apart at the engine shop. FOR BMW 335i 435i 535i 640i 740i M135i M235i M2 M3 M4 X5 X6 CRANKSHAFT CRANK HUB. As with the N54, its an open-deck block not the ideal design for big power and boost. Anybody running a 4n Motorsport turbo kit? Theyve all been in the game for a while and are well known in the community. Ceramic coating the headers will help reduce engine bay temperatures and improve intake temps if you've opted for an open cone filter. The standard BMW N55 intake features many bends and edges that disturb the air, making it more turbulent and restricting flow. I cant do much more to recommend one brand over another as youll need to choose the piping based on your chassis and supporting modifications. 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. An oil cooler thermostat works the same as the one for your engine coolant; the thermostat opens up once the oil reaches a specified temperature and allows the oil to circulate through the cooler. Aftermarket intercoolers, such as those from Wagner Tuning, and Evolution Raceworks, all use thicker cores with larger frontal surface areas to increase the flow they can handle and increase their cooling efficiency. These engines span back to 1933 with the introduction of BMW's first automotive inline-6, the M78. This BMW N55 engine is made from two separate parts just like the N54 engine, so the two parts must be sealed. Keep in mind the internet can quickly blow things out of proportion. This entry was (All car owners of all ages and from all countries are welcome). Sign up now!!! S55/N55 2 One-Piece PIN CRANK HUB. Comparable to vw/audi factory tool t40058. With exceptional performance, these parts are also not that heavy on the wallet which means that you get the best of both worlds. Check these out to see just how in-depth we go to make them. The gains for a catback exhaust is minor if anything at all, so unless you want a different exhaust note your money is better spent elsewhere. 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. So naturally, the boys at Turner also had a crack at maximizing the efficiency of the computer software to eke out even more power. Though, youll also choose how you want to make that power as the aftermarket support is fairly large and offers a staggering number of performance and reliability upgrades. Ultimately, its a good idea to work with an experienced, professional tuner to dial the car in. Of course, there are many steps to this as you have to check clearances and make sure everything is perfectly lined up. I have a N55 crank for sale if you want to go that route. 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. At this point in time, there is plenty of evidence to support those figures, with some high-horsepower N55s breezing past that threshold. Track day insurance There are tons of companies offering N55 exhausts. BMW's love for aluminum bolts has caused more than a few issues. They are the brain of the entire car, and they usually can be rewritten for the better. New catted downpipes arent cheap pieces of kit, but their benefits outweigh the cost. The initial air intake happens through a small hole in that airbox. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to the design of this engine, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. Are you running the OE recirculation valve or an aftermarket blow-off valve? We've seen guys spending a lot of money on turbo upgrades on the only to have the whole thing go up in smoke soon after it's been completed. 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. BMW switched to the 8HP45 8-speed automatic transmission which also has the same 332 lb-ft torque limit as the 6HP21. Any small excerpts and quotes copied must be accompanied by a link to the source material. Brand: ES#: 4315842 Mfg#: VTT-CRANKGUARD . Ignition coils are slightly different as OEM manufacturers Eldor, Bosch, and Delphi all have products. BMW N55 Engine Rebuild Tools: https://amzn.to/3uHUwh5 Parts: https://amzn.to/37W6GsSPart 3: https://youtu.be/aTXyclFhUUUAfter getting all of the parts necessary, I finally got to working on the BMW N55 engine rebuild! As good as that is for the planet, the cats present a restriction in exhaust flow, hampering performance. However, N55 engines receive a standard cast crank. Now the tedious work could begin, installing, torquing and selling the correct angle of torque on all crankshaft bolts as well as the bedplate bolts. The one report I have seen that if fits but has belt alignment issue and nor sure the fix. . Here is a pic of a broken ls crank to show LS cranks are flawed too. 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. As always, dont forget to follow along with our DIY Blog for more of these helpful guides, and stay tuned to our YouTube channel for more great content! Although one of the most challenging upgrades but provides the best gains. The N54 and N55 engines were similar in many aspects however the most significant difference was that the later N55 model had a modern single twinscroll turbocharger, unlike the N54 which was twin-turbocharged. Although, in the real world these BMW blocks hold up very well for what they are. Rods, pistons, and bearings are a few areas that will first cause trouble. It would also be worth reading our unbiasedBMW tuning articlesto get a full grasp of the benefits and drawbacks of each modification. Made from billet aluminum, the Mosselman oil thermostat is a fancy piece of kit designed to keep your N55s oil cool. Stay on top of maintenance as normal, but you may consider higher-quality oils and shorter intervals. Just need to swap over the n54 crank position . Commonly we find the manifolds are begging for aftermarket tuning parts, although some car makers provide fairly well optimized headers. Expect more significant gains if you already run a raised boost pressure and have other supporting modifications. Although still a guess, depending on the condition. Adding downpipes is one of the best performance modifications that can go on a car before putting a tuner in it. If you push beyond that limit, all bets are off as far as reliability is concerned. This can be used on a small block ford, worked absolutely perfectly. The billet thermostat opens at 85c and has proven to keep oil temps right around the 95c to 105c range. LS cranks have broken due to a damper problem. Few problems should happen as long as they are regularly serviced and maintained. Why would they when some N55's come with a forged crank, just use that part #. Currently, the JB4 tuner is all the rage, and its easy to see why. LAKE ZURICH, IL 60047 Catless downpipes reduce the problems associated with a stock downpipe by letting more air pass through the turbo thereby resulting in higher boost pressure. Extending exhaust or intake durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. We regularly update ourselves with the advancements in these crankshafts since 2 years. When problems occur then fix them in a timely manner. Typical stage 1 mods often include:Intake manifolds, Panel air filters, Fast road camshaft, Sports exhaust header/manifold, Remaps, . To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Theyre good for about 550-600whp while still holding onto decent longevity. 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. Interestingly Alpina opted for the twin turbo setup in their performance models. 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. Usual exhaust restrictions can be traced to the catalysts installed, so adding a higher flowing sports alternative is the answer. The 2023 FCP Euro Winter Kit Sale is here with a fantastic offer on all of our kits. Upgrade the N55 turbo (along with other supporting mods) and the engine can make 500-600whp fairly easily. Build in some headroom. Performance Chips Related Products. bhp and torque adding guide if you want to read more. Crank Seal comes with. . Adding a supercharger or additional turbo will make large bhp and torque gains, although more complex to install. Simply check the box for the appropriate "Lift Kit" upgrade when flashing. It also plays a major role in the performance of a turbocharged engine, making this upgrade great for performance benefits. Most of the cases of cracked crankshafts in the N55 have resulted from spun rod bearings which have damaged the N55 crankshaft in the process. When pushing the N55 power limits ensure youve got a setup with good tuning and proper supporting mods. While the N54 was certainly a beast, often considered the German 2JZ, there were some significant issues with the twin-turbocharged 3.0L inline 6 that wouldnt be ironed, Read More Ultimate BMW N55 Engine GuideContinue, An often overlooked performance upgrade on the N55 is the cooling system. We have a policy of actively enforcing our copyright*. I just need some more power to keep up with the new powerful cars. This kit is capable of putting up some big numbers as seen above in the video with the 690whp 335i running an 11.3 at 130mph. Noticeable under the hood of our M2 test car, the new Turner Motorsport Carbon Fiber Enclosed Intake is a choice first-step in adding power and marginally improving the underhood appearance for your N55-powered BMW. I wouldnt skimp on safety. In some cases flywheel lightening is not a great mod for all N55 engines. Now that some time has passed, we have a slightly better understanding, but it is still difficult to give an accurate horsepower figure. High-G left turns have been shown to drop N55 oil pressure significantly due to the design of the oil pan. It's going to be a little bit before i get underway with anything more than planning, research, and buying parts. You'll commonly see there's a limit in the air flow sensor MAP/MAF/AFM on these engineswhen loads more air is being drawn into the engine. 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. The list goes on. Having installed a 3.3 BigBoost rated @ 620whp myself. Performance modifications will always be the flashy and fun options you can experience daily, but they arent the most important. Prevent your sepentine belt from being sucked into your engine! In its stock form, the BMW N55 turbo engine is already a powerful engine fit to be installed in a performance car. We are hoping to soon add an F80 M3 and F82 M4 GTS. 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. Calculate MPG Go For BMS K&N Or VRSF DCIs - One great option for your BMW 335i can be the BMS and K&N cone intakes. From the numbers posted of hp and torque available, for both auto (320 hp 332 lbft) and MT (320 hp 317 lbft), it matches perfectly what BMW's PPK does to N55 in both E9x chassis and F30 chassis. If you are looking for more information about N55 turbo upgrades, check out our guide on the subject! There are very few reports of N55 forged cranks having any issues. That limit, all bets are off as far as reliability is concerned, depending on the condition check box. Maintenance as normal, but they arent the most important x27 ; s automotive... Cases flywheel lightening is not a great mod for all N55 engines receive a standard cast crank fix! Reliability is concerned a fancy piece of kit designed to keep your N55s oil cool installed in timely! That are likely to cost you upwards of $ 500, in the real world BMW! 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