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BMW N54 Oil Catch Can DIY REMOVAL!
BMW N54 Oil Catch Can DIY REMOVAL!
Published: 2017/11/20
Channel: BMW Fanatic
BMW 335i Review - 440HP of N54 Boost!
BMW 335i Review - 440HP of N54 Boost!
Published: 2017/04/24
Channel: ThatDudeinBlue
919WHP Single Turbo BMW N54 335i! FAST!!
919WHP Single Turbo BMW N54 335i! FAST!!
Published: 2017/11/11
Channel: BMW Fanatic
N54 Twin Turbo | 650BHP BMW 335i
N54 Twin Turbo | 650BHP BMW 335i
Published: 2017/09/23
Channel: LivingLifeFast
What Are Some Common Issues with the BMW 335i? (N54)
What Are Some Common Issues with the BMW 335i? (N54)
Published: 2017/02/07
Channel: Simply Car Things
The BEST way to buy a N54 BMW (N54 Buyers Guide for Ultimate Reliability!) | 4K
The BEST way to buy a N54 BMW (N54 Buyers Guide for Ultimate Reliability!) | 4K
Published: 2017/07/21
Channel: Clean WHP
BMW N54 VS N55 Engines! Key Differences You Need To Know!
BMW N54 VS N55 Engines! Key Differences You Need To Know!
Published: 2017/03/01
Channel: Simply Car Things
DO NOT Tune Your BMW N54/N55 Until You Watch This Video!
DO NOT Tune Your BMW N54/N55 Until You Watch This Video!
Published: 2017/04/14
Channel: BMW Fanatic
10 Things I Love About my BMW 335i (N54)
10 Things I Love About my BMW 335i (N54)
Published: 2016/10/26
Channel: Adam LZ
BMW N54 Part FAILURE At 151,000 miles!
BMW N54 Part FAILURE At 151,000 miles!
Published: 2017/08/25
Channel: BMW Fanatic
BMW N54 Automatic Or Manual Transmission?
BMW N54 Automatic Or Manual Transmission?
Published: 2017/03/22
Channel: BMW Fanatic
DO NOT Buy A BMW N54 135i 335i 535i Until You Watch This!
DO NOT Buy A BMW N54 135i 335i 535i Until You Watch This!
Published: 2017/06/02
Channel: BMW Fanatic
N52 vs N54 Block by BPC Motorsports
N52 vs N54 Block by BPC Motorsports
Published: 2016/12/15
Channel: Bimmer Performance Center LLC
500HP BMW 135i -Amazing N54 sounds!
500HP BMW 135i -Amazing N54 sounds!
Published: 2017/07/24
Channel: statesidesupercars
Bmw 335i n54 cold start and launch
Bmw 335i n54 cold start and launch
Published: 2016/08/04
Channel: Javier gonzalez
BMW N54 Engine Compilation | Dynos - Exhausts
BMW N54 Engine Compilation | Dynos - Exhausts
Published: 2016/08/17
Channel: Shabang
The Second MOST Expensive BMW N54 Part That Will Fail!
The Second MOST Expensive BMW N54 Part That Will Fail!
Published: 2017/06/15
Channel: BMW Fanatic
950hp Monster N54 BMW 335i
950hp Monster N54 BMW 335i
Published: 2017/05/01
Channel: Sik2jz
N54 Valve Cover Gasket DIY- BMW 335i E90
N54 Valve Cover Gasket DIY- BMW 335i E90
Published: 2017/05/24
Channel: ShopLifeTV
TECH TALK: (ep. 22): turbos in a BMW with an n54 engine
TECH TALK: (ep. 22): turbos in a BMW with an n54 engine
Published: 2017/02/27
Channel: The Little Speed Shop
BEST Exhaust for BMW N54! | 4K
BEST Exhaust for BMW N54! | 4K
Published: 2017/08/04
Channel: Clean WHP
BMW N54 135i 335i 535i Turbo Differences
BMW N54 135i 335i 535i Turbo Differences
Published: 2016/07/26
Channel: Turbo Lab America
335I SINGLE TURBO COMPILATION N54 PURE SOUND!!!!!
335I SINGLE TURBO COMPILATION N54 PURE SOUND!!!!!
Published: 2015/10/13
Channel: Super69Charger -- supercars in HD !!
BMW 335i N54 40psi vs Supra 800 hp
BMW 335i N54 40psi vs Supra 800 hp
Published: 2017/02/13
Channel: BMW Acceleration
Need To Change Your BMW N54 Injectors? Watch This DIY First!
Need To Change Your BMW N54 Injectors? Watch This DIY First!
Published: 2017/06/26
Channel: BMW Fanatic
MHD Exhaust Burble DIY for BMW N54! | 4K
MHD Exhaust Burble DIY for BMW N54! | 4K
Published: 2017/08/14
Channel: Clean WHP
How To Change Your BMW N54 O2 Oxygen Sensors DIY! Save $400!
How To Change Your BMW N54 O2 Oxygen Sensors DIY! Save $400!
Published: 2017/05/06
Channel: BMW Fanatic
BMW N54 BiTurbo Conversion Package - Awron
BMW N54 BiTurbo Conversion Package - Awron
Published: 2017/06/19
Channel: AWRON GmbH
SSR Performance Dual Cone Intakes Review! For BMW N54!
SSR Performance Dual Cone Intakes Review! For BMW N54!
Published: 2017/05/02
Channel: Simply Car Things
BMW E90 LCI 335i N54 Performance Exhaust burble overrun
BMW E90 LCI 335i N54 Performance Exhaust burble overrun
Published: 2016/10/10
Channel: N54 K
My BMW N54 135i 335i 535i Ownership Costs! Must See!
My BMW N54 135i 335i 535i Ownership Costs! Must See!
Published: 2016/12/20
Channel: BMW Fanatic
JB4 Tune DIY - BMW E9X 335i & E8X 135i (N54)
JB4 Tune DIY - BMW E9X 335i & E8X 135i (N54)
Published: 2016/01/05
Channel: SeanS54
Free BMW N54 MHD Custom Flash Tune? Here’s How!
Free BMW N54 MHD Custom Flash Tune? Here’s How!
Published: 2017/09/28
Channel: BMW Fanatic
HOW TO REMOVE TURBOS FROM A BMW 335i (N54)
HOW TO REMOVE TURBOS FROM A BMW 335i (N54)
Published: 2017/09/14
Channel: H&G Production
How to MHD  Flash stage 2  n54 BMW  e90 335i xdrive marathon
How to MHD Flash stage 2 n54 BMW e90 335i xdrive marathon
Published: 2016/11/15
Channel: The Angry Mechanic
BMW N54 Single Turbo Kyrgyzstan
BMW N54 Single Turbo Kyrgyzstan
Published: 2015/12/27
Channel: AntaresCreativeGroup
N54 VS. N55 - Best Turbo BMW Engine? | 4K
N54 VS. N55 - Best Turbo BMW Engine? | 4K
Published: 2017/09/24
Channel: Clean WHP
Want 550-750WHP from your E90? Introducing Vargas GC Turbos for N54 Powered BMWs
Want 550-750WHP from your E90? Introducing Vargas GC Turbos for N54 Powered BMWs
Published: 2016/08/23
Channel: ModBargains
430hp BMW 335i N54 Drifts and Racing
430hp BMW 335i N54 Drifts and Racing
Published: 2017/05/15
Channel: Lennard Schmidt
BMW N54 SINGLE TURBO COMPILATION PART 2! - PURE SOUND
BMW N54 SINGLE TURBO COMPILATION PART 2! - PURE SOUND
Published: 2017/08/27
Channel: Super69Charger -- supercars in HD !!
Замена форсунок у N54 BMW
Замена форсунок у N54 BMW
Published: 2016/04/11
Channel: alex xander
DIY: BMW N54/N55 Front Mount Intercooler Install (335i)
DIY: BMW N54/N55 Front Mount Intercooler Install (335i)
Published: 2017/10/16
Channel: Primus Autowerks
The Most SEVERE BMW N54/N55 Engine Gasket Oil Leak!
The Most SEVERE BMW N54/N55 Engine Gasket Oil Leak!
Published: 2017/03/24
Channel: BMW Fanatic
470HP BMW E92 335i N54 - LOUD Exhaust Backfire (Factory Catback)
470HP BMW E92 335i N54 - LOUD Exhaust Backfire (Factory Catback)
Published: 2017/09/23
Channel: Hanz Cars
Top 5 BMW N54 135i 335i 535i Maintenance Oil Leaks!
Top 5 BMW N54 135i 335i 535i Maintenance Oil Leaks!
Published: 2016/12/02
Channel: BMW Fanatic
Muffler Delete Before After with Drive By BMW E90 E92 335i N54
Muffler Delete Before After with Drive By BMW E90 E92 335i N54
Published: 2015/05/05
Channel: KENFL74
BMW 135i Exhaust with MHD Burble Option Mod (N54, downpipes, full exhaust)
BMW 135i Exhaust with MHD Burble Option Mod (N54, downpipes, full exhaust)
Published: 2016/06/21
Channel: Jake Spence
How To Bleed Your BMW N54 135i 335i 535i Coolant System!
How To Bleed Your BMW N54 135i 335i 535i Coolant System!
Published: 2017/01/21
Channel: BMW Fanatic
Expensive BMW N54 Maintenance Item At 150,000 Miles!
Expensive BMW N54 Maintenance Item At 150,000 Miles!
Published: 2017/05/26
Channel: BMW Fanatic
ABRhouston.com BMW N54 front crank bolt and front crank seal explained
ABRhouston.com BMW N54 front crank bolt and front crank seal explained
Published: 2016/06/05
Channel: ABR Houston Your BMW Specialists
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WIKIPEDIA ARTICLE

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BMW N54 engine
JK N54B30.jpg
Overview
Manufacturer BMW
Production 2006–2015
Layout
Configuration Straight-6
Chronology
Predecessor BMW M54, BMW N52
Successor BMW N55

The BMW N54 is a direct injection turbocharged straight-6 DOHC engine[1] which began production in 2006 and remained in production in the E89 Z4 sDrive 35is until the model was discontinued in 2016. It debuted at the 2006 Geneva Motor Show and was launched in late 2006 in the E92 335i. The N54 began to be phased out following the introduction of the N55 in 2009.

The N54 has won five straight International Engine of the Year awards,[2] and three straight Ward's 10 Best Engines awards.[3]

Models[edit]

As per the 3.0 litre version of the naturally aspirated BMW M54, all models have a bore of 84 mm (3.3 in), a stroke of 89.6 mm (3.5 in), a capacity of 2,979 cc (181.8 cu in) and a compression ratio of 10.2:1.

Engine Power Torque Redline Year
N54B30 225 kW (306 PS)
@ 5800
400 N·m (300 lb·ft)
@ 1400-5000
7000 2007-2010
240 kW (330 PS)
@ 5800
450 N·m (330 lb·ft)
@ 1500-4500
7000 2011-2013
250 kW (340 PS)
@ 5900
450 N·m (330 lb·ft)
@ 1500-4500
7000 2011-2016

N54B30 (225 kW version)[edit]

For the E90/E91/E92/E93 3 Series, the N54 engine was used in the 335i model from 2007 onwards. In the 3 Series, it therefore replaced the 330i (which used the naturally aspirated N52B30 as the performance model below the M3).

This version is rated at 225 kW (302 hp) and 400 N·m.[4] However, independent testing has resulted in estimates of 332 hp (248 kW) and 311 lb·ft/422 N·m.[5]

Applications:

N54B30 (240 kW version)[edit]

A variant of the N54B30 with higher power and torque (but a slight reduction in low rpm torque) is used in the F01 740i[6] and E92 335is.[7][8]

Applications:

N54B30TO (250 kW version)[edit]

The most powerful version of the N54 is found in the E89 Z4 sDrive 35is (as of 2016, the only application of the N54 still in production) and the 1 Series M Coupe.[9][10]

Applications:

Design[edit]

Unlike the (naturally aspirated) N52, N53 and (turbocharged) N55, the N54 does not use variable valve lift (called valvetronic by BMW) or a magnesium alloy block. This is because the newer N52 aluminum-magnesium engine block was not deemed as suitable for turbo-charging with the above-mentioned engineering goals.[citation needed] Instead, the N54 engine is based on the older BMW M54 engine.[11] It therefore features an aluminium construction and variable valve timing to both camshafts (called dual VANOS by BMW). Differences between the M54 and N54 include twin turbochargers, an intercooler, direct injection, an open-deck single-piece block and an electric water pump.[12][13] As per the M54B30, the N54 has a capacity of 2,979 cc (182 cu in). With a weight of 195 kg (430 lb), the N54 is 34 kg (75 lb) heavier than the N52.[citation needed]

The engine uses two small low-pressure turbochargers to minimise turbo lag. The boost pressure is 8.8 psi, because BMW's goal was to offer the same driving feel as with naturally aspirated engines.[14] BMW's term for turbocharging is "TwinPower Turbo",[15] which has also been applied to the N55, which uses a single twin-scroll turbocharger.

The engine's direct injection system uses piezo injectors, as per the naturally-aspirated N53. The N55 engine uses solenoid-type injectors, because the piezo injectors are more expensive and not reaching their full potential to obtain the "lean burn" benefit.[16] BMW's trademark for direct injection, regardless of type, is known as "High Precision Injection".[17]

Performance[edit]

Compared with its naturally aspirated N52 predecessor, turbocharged N54 produces an additional 45 hp (34 kW) and 80 lb·ft (108 N·m).[18] The N54's power delivery was described by Car & Driver as lag-free and similar to a 4.4 litre V8.[19]

The N54's replacement, the N55 3.0L turbo inline-6 uses a single twin-scroll turbocharger instead of the twin-turbo setup used by the N54. Initial versions of the N55 produced the same peak power and torque (although peak torque is 200 rpm earlier).[20] Initial versions of the N55 were less powerful than the high-output versions of the N54 (such as used in the F01 2009 BMW 740i[6][21]), however these outputs were eclipsed in 2013 when more powerful versions of the N55 became available.

In the E60 5 Series, the 4.8 litre V8 model was judged have more nose-heavy handling than the N54-powered 535i, and the acceleration was deemed to be only marginally faster.[22] In the F01 7 Series range, the handling of the N54-powered 740i was preferred over the 750i (powered by a 4.4 litre twin-turbo V8 model), although the acceleration of the 750i was faster.[23] Another reviewer found the N54-powered 7 Series model to have more linear power delivery than the 4.4 litre twin-turbo V8 model.[24] Fuel economy of the 740i is comparable to the ActiveHybrid 7,[25] however the ActiveHybrid 7 accelerates to 60 mph (97 km/h) 1.1 seconds quicker than the 740i.[26]

Common Problems[edit]

HPFP Failure[edit]

In at least the US market, the N54 engine has been characterized by a very large number of High Pressure Fuel Pump (HPFP) failures,[27] leading to BMW North America vehicle Lemon Law "buy backs" and reduced customer goodwill.[28] BMW's failure to solve the HPFP problem has led to serious safety concerns over dangerous sudden losses of power at highway speeds.[28] Reports of drivers being stranded are not uncommon and some have accused BMW of actively concealing the problem rather than addressing it.[28]

In April 2009, a class action suit was filed against BMW in connection with HPFP failures.[29] BMW settled the suit in June 2010. On 26 October 2010, following an ABC News story about HPFP failures,[30] BMW announced a recall of vehicles with the pump in question from manufacturing years 2007-2010.[31][32]

BMW in Europe have not had to purchase cars under Lemon Laws as they have in the US market.[33] In the US BMW have extended the fuel pump warranty to 10 years,[34] BMW Europe instead have left owners unsupported with no extension to warranty or goodwill gestures.

The N53 engine shares the High Pressure Fuel Pump with the N54 series of engine and has suffered from the same problems, although these engines were only sold in Europe.

Turbocharger Failure[edit]

The N54 turbochargers have been known in at least the U.S. and Canada to suffer from premature wastegate bushing wear which results in an audible wastegate rattle noise. If the wear is severe enough the wastegate will not seat properly resulting in a loss of boost pressure and trigger engine fault 30FF which temporarily reduces power output. BMW North America (which does not manage the Canadian market despite its name) recognized the design flaw and extended the warranty period for US vehicles to 8 years/ 82,000 mi for wastegate related issues only.[35] BMW Canada (which does manage the Canadian Market) does not offer any relief for turbocharger wastegate rattle issues in Canada beyond original warranty.

Direct Fuel Injectors[edit]

Direct injection is used within the N54 engine. Injector failure is a common, causing either rough running, engine faults or general loss in power[36].

Carbon Build-Up[edit]

It has been widely reported that the N54 intake valves experience build-up of oil and gasoline deposits (carbonizing). The buildup of a black carbonaceous deposit on the valves can, over time, cause reduced power and has been linked to misfiring.[37][38]

Extended BMW Warranty[edit]

Due to many quality failures by BMW, they have been forced for the USA market to extend the warranty on the High Pressure Fuel Pump and also the Injectors to 10 years. [39]. Owners in other regions are left without support.

See also[edit]

References[edit]

  1. ^ "Direct Injection, Turbo Pay Off For BMW". www.wardsautoworld.com. 
  2. ^ "BMW takes home 4 awards from International Engine of the Year competition - N54 and S65 continue dominance". bimmerboost.com. 
  3. ^ "BMW's Newest I-6 Better, Not Bigge". wardsauto.com. 
  4. ^ "The latest BMW engine: N55 - found in the BMW 5 Series GT". www.bmwblog.com. 
  5. ^ "Press release- Performance Engine Software for BMW 335 Models" (PDF). dinancars.com. Archived from the original (PDF) on 20 September 2010. 
  6. ^ a b "2011 BMW 740i / 740Li - First Drive Review". www.caranddriver.com. Archived from the original on 16 September 2010. 
  7. ^ "2011 BMW 335is First Drive". Insideline.com. Archived from the original on 21 September 2010. 
  8. ^ "2010 BMW 335is Coupé". carfolio.com. 
  9. ^ "BMW 1-Series M Coupe Review". www.caradvice.com.au. 
  10. ^ "Dyno-Tested: 2011 BMW 1 Series M Coupe". www.insideline.com. 
  11. ^ "BMW N54 and N55 Six Cylinder Turbocharged Engines". www.unixnerd.demon.co.uk. 
  12. ^ "Motor Engine: BMW N54 inline 6 twin turbo". motorengine.blogspot.com.au. 
  13. ^ "Engine Guide BMW N54/N55". drive.com. 
  14. ^ "BMW Page". www.autozine.org. Archived from the original on September 2, 2006. 
  15. ^ "BMW EfficientDynamics: Petrol engines with BMW TwinPower Turbo Technology". www.bmw.com. 
  16. ^ "BMW's Newest I-6 Better, Not Bigger". wardsauto.com. 
  17. ^ "BMW Technology Guide: High Precision Injection". www.bmw.com. 
  18. ^ "2008 BMW 5-series - First Drive Review". Retrieved 5 January 2017. 
  19. ^ "2007 BMW 335i Coupe - Road Test". www.caranddriver.com. 
  20. ^ "2011 BMW 335i Sedan - First Drive Review". www.caranddriver.com. 
  21. ^ "New BMW 7-Series F01 Specifications and Photos". www.paultan.org. 
  22. ^ "V-8 with Extra Weight". www.caranddriver.com. 
  23. ^ "2011 BMW 740i First Drive". Edmunds. Retrieved 5 January 2017. 
  24. ^ "2012 BMW 740i Sedan - Editors' Notebook". www.automobilemag.com. Retrieved 5 January 2017. 
  25. ^ "BMW 7-series Review: 2011 BMW 740i Test". www.caranddriver.com. Archived from the original on 28 August 2010. 
  26. ^ "2012 BMW ActiveHybrid 7 Reviews and Rating | Motor Trend". Motor Trend. Retrieved 5 January 2017. 
  27. ^ "Kershaw, Cutter & Ratinoff takes on BMW in class action suit regarding defective HPFP". www.bimmerfest.com. 
  28. ^ a b c Cohan, Peter. "BMW's Engine Problems: A Safety Risk to Drivers – and the Company?". DailyFinance. Retrieved 2010-09-13. 
  29. ^ "Jay Alan Morane vs BMW North America- April 10 2009". www.scribd.com. 
  30. ^ "ABC News airs big expose on BMW N54 engine problems, lawsuits". www.autoblog.com. 
  31. ^ Morran, Chris (2010-10-26). "BMW Recalls 150,000 Cars Over Fuel Pump Failures". Consumerist. Retrieved 2011-06-22. 
  32. ^ Consumerist: BMW Recalls 150,000 Cars Over Fuel Pump Failures
  33. ^ "What's the deal with all these Lemon/Buyback 335i's?". www.bimmerfest.com. 
  34. ^ "High Pressure Fuel Pump now covered under 10 year warranty". E90post.com. 
  35. ^ "N54 Engine warranty extended to 8 Years/82,000 Miles (Wastegates Only)". BMW BLOG. 2012-08-16. Retrieved 2016-10-04. 
  36. ^ "N53 330i Powweerrr loss". http://www.e90post.com.  External link in |website= (help)
  37. ^ http://www.e90post.com/forums/showthread.php?t=682116
  38. ^ http://www.e90post.com/forums/showthread.php?t=973624
  39. ^ https://bmw.spoolstreet.com/threads/n54-the-best-plugs-injectors-and-coils-thread.1094/

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