how to tell n54 vs n55

Supposedly the N55 has less boost lag due to the twin scroll turbo design but I've driven both and I can tell you that's BS. The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors. You may remember me posting about my options in getting a 330d vs 335I etc etc. Where the N54 starts slowly dropping off at high RPMs, the N55 crashes. N55 vs N54 (bmw 335i) so basically im stuck between getting a 2009 bmw 335i with n54 motor or a 2010+ bmw 335i with n55 motor. The peak torque of the N55 arrives 100 rpm earlier than that of the N54. We can finally and directly compare an early N54, late N54, high-output N54, and an N55. I couldn't disagree more about the N55 vs N54. But, like all things, the N55 must retire and it will be deeply missed. *FILMED IN MEXICO* N54 mods : Inlets MHD with jb4 backend VRSF catless downpipes Front mount intercooler Fuel it fuel pumps Chargepipes N55 mods: Muffler/resonator delete MHD stage 1 flash BMS Intake. Will extend it there after for a year and then probably move on to another car. IF its an auto it is an N54. However, BMW’s N55 still delivers impressive performance for excellent value. If your build date is after April 2010, then it will be a N55. 01-16-2021 09:22 AM by ferocious. I think the N54 could have been made to meet the higher emissions standards if they wanted to. Expect EWG cars to … Electronic wastegate control is a more efficient, superior method as compared to pneumatic wastegates. Its cheap too, think around R3k for the thing and you can practically install it yourself (from what I hear). Put a jb in it, and u will feel like u driving a f1 car. One – the N55 features a twin-scroll single turbocharger compared to the N54’s true twin-turbo set up. See photos posted above to tell which engine is which. I was initially very skeptical on the N55, coming from having owned 2 N54s. If it says TWINPOWER on top then it's an N55. Guys Ive got motorplan to July 2014.Car has 60k on the clock. Now, the bad. How-to build a 500hp BMW N54 135i, 335i, or 535i, for less than $1,500 and just 4 bolt-on parts. The N54 was a normal twin turbo with two small Mitsubishi TD03 turbos. Electronic Wastegate -- note wire going to electric actuator on wastegate. The N54 vs. N55 motor comparisons continue, with Automobile Magazine dyno testing the two motors back to back. N54 is a bullet proof motor with crappy parts surrounding it. I have considered waiting for 2012 and possible N55 motor. It may not display this or other websites correctly. I'm guessing a single twin-scroll turbo and simplified plumbing is probably a bit cheaper to manufacture than the twin single-scroll turbo setup on the N54 and more complicated plumbing. I know there are going to people in the comments claiming their N54 or N55 is the most reliable thing in the world and has never broken down on them, but the reality is that both have pretty poor reliability, with the N55 being marginally better. Thanks Satch. Also driver side door sticker should say "N54xxxx" or "N55xxxx" if you can't open the hood, BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i), 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications. The N54 is the more tuner friendly engine, not … Re: Electronic vs pneumatic - how to tell?? A twin-scroll turbocharger is a single turbo where the exhaust housing of the turbocharger is split into 2 “scrolls”. I compare the BMW N54 Engine to the updated N55 and discuss some of the common problems of the two, maintenance, and the similarities! 0: 213: Phoenix Racing Aluminum Intake Manifold w/ Port Injection for N55! JavaScript is disabled. DCT is fantastic but the auto is great too. Yah. Look for a vacuum hose or electric wire connector. BMW N55 Specs. Threads in Forum: N55: Forum Tools: Search this Forum : Rating Thread / Thread Starter: Last Post: Replies : Views : Sticky: F Chassis N55 JB4 (1 2 3... Last Page) Terry ... N54 ST Jb4 targets 9.9psi on all maps. RB External PCV: This is why you need (2) Oil Catch Cans (335i N54), The 3 Best Extended Motor Warranties For South African Car Owners. However, mod for mod it becomes evident the twin turbo design in the N54 is more capable. Mechanical/Vacuum Diaphragm Wastegate -- … So what's the verdict? Congrats Luke, you like me came from a S2k (AndrewS2k from HRC) and I have not looked back since getting my N54 135. ferocious. There are videos of people using stock intervals pushing 700-900hp with a single turbo kit + supporting mods. To put it simply, the N55 is more reliable than the N54, but that’s not a hard thing to achieve considering the N54 was pretty unreliable. Step-by-step mods and tunes for a 500hp beast. It's smoother, revvy-er, sharper and more responsive and has less throttle and turbo lag. Hi guys. Because they went to a single turbo design it seems to be limited by the amount of air it can flow. The N54 was put in the 335i until BMW made what's believed to be a more cost-effective engine, the N55. I don’t think I’ve ever seen an N55 that high. But I'm sold on the N55, huge difference. Well, it's not quite as simple as declaring a winner. To give the N55 new purpose, BMW started from the ground up with it. IF its a 6MT... you'll have to look under the hood. And... to answer the OP's original question about his Sept - 2010 build date.. yes your engine is a N55. Parts on these platforms have come down drastically. Magneto Officially a forum statistic. Dack N54 with stock turbos similar to the N55 with VT2 . Long story short, PWG N55’s produced from 2011-2013 are less capable than the 2014+ EWG models. Whilst the N54 used a twin-turbo arrangement, the newer N55 uses only a single twin scroll turbocharger. Both the N54 and N55 use BMW’s VANOS system on both the intake and exhaust camshafts, but only the N55 uses the Valvetronic system which allows for variable lift control. Both engine platforms are brilliant. BMW’s single-bolt crank hubs found on N54, N55 and S55 engines aren’t an ideal design for spirited driving or high-performance bolt-on modifications. I am considering a 2011 335is with Euro Delivery and your reply helped. Is there an easy way to tell if i have n54 or n55, or is it as simple as anything 2011+ is n55? You must log in or register to reply here. You are using an out of date browser. MPH post indicates less torque and some turbo lag vs. the N54 he had from 2008. Starting from the block and rotating assembly, BMW gave the N55 a forged crankshaft, forged connecting rods … Probably the best way to tell without looking under the hood... is IF it has a DCT it is an N55. n54 has a better tuning base as its been around alot longer,N54 due to twin turbos is slightly less fuel efficient,Also n55 has a better midrange while the n54's are stronger on top. Agree make sure you got some mp left. Arguably, the most significant difference between the N54 and N55 is the turbochargers; the N54 bolsters true twin turbochargers while its N55 counterpart carries a single twin-scroll turbocharger. … However, some say when losing a good woman, the best way to get over her is … Sent from my iPhone using Tapatalk RS3 8V Sedan Ex M135I LCI Ex N54 135i MSport FBO Ex E36 M3 , Lightweight, Cams, Locked Ex E90, E46, E36 6 cylinder BMWs • Reply. look in your engine bay would be easy enough I think. The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors. Help with a new car(n54 vs n55 vs s54) Hey guys I used to have a 2001 330ci and was completely in love until my 16 year old self totaled it, now im turning 20 and my dad wants to get me another beamer for my bday because he thinks im old enough and experienced enough to handle another one, im looking at a 335 coupe around 07-09, anything i should know about the car? i know that the n54 has a hpfp issues which were basically fixed in n55. N54 pros: forged crankshaft, piezo injectors (more expensive); cons: no Valvetronic; N55 pros: Valvetronic + VANOS, better throttle response; cons: … The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. Whilst the N54 used a twin-turbo arrangement, the newer N55 uses only a single twin scroll turbocharger. They can be abit temperamental but these turbo motors are a whole lota fun! Stock Power: 300 HP Check Wastegate on N55 6-cylinder engines: Look at the turbo to determine which type of wastegate is installed on your car. This would indicate that the 335is must have the N55 if the N54 does not meet 2012 US emissions specs. Rennzport are dealers for JB here, get hold of Twinz for more info. I have a 2011 135i with build date pre 09/10. The N55 exhibits less turbo lag in normal street driving, and even though its peak output was near the bottom of the group of engines we ‘ve tested, it ‘s still well within its rated peak horsepower output — and well above its rated peak torque output. I am itching to do it but i just love the car as it is.. X35 Fanatics (135 335 535 X6 Z4 S-Drive35i). Each motor is better in its own respect and are overall very equally matched. I feel as though this debate will rage on with 1 and 3 series owners for years to come. There is, however, much more to the story. I think the biggest motivation for the N55 was for a cost reduction. Location: Brisbane, Australia BMW Club QLD Member. N55 PWG vs EWG Summary. One of the big changes BMW made when going from the N54 to the N55 is the addition of its Valvetronic system. Didn't expect that. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Two – the N54 is an older engine, allowing additional time for aftermarket companies to develop further advanced tunes and performance products. Post by copperman05 » Sun Apr 06, 2014 12:24 pm mikey k wrote: I'm guessing this is one of the differences between N54 & N55? n54 has a better tuning base as its been around alot longer,N54 due to twin turbos is slightly less fuel efficient,Also n55 has a better midrange while the n54's are stronger on top. I havent been on the forum for a while. If you drive a BMW with a turbocharged six-cylinder engine, it may have a critical flaw which has left you with a ticking time bomb. This is evident on the dyno. For a better experience, please enable JavaScript in your browser before proceeding. Incredible engine stock, and only gets better with JB4...:thumbs: Yeah bud, JB4 is very popular piggyback system and lots of guys are making good power with this mod (overseas and here).
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