The N55 can handle around 550whp and 550wtq on the stock engine block and internals.
How can I make my N55 faster?
- ECU Tuning. The engine control unit (ECU) is the brain of every modern engine.
- Cat-Back Exhaust.
- Downpipe.
- Intake.
- Intercooler.
- Charge Pipes.
- Oil Cooler.
- Oil Cooler Thermostat.
How much HP does a Stage 2 BMW N55 have?
Expected horsepower for the N55 MHD stage 2 tune comes in around 310-340whp.
How long will N55 engine last?
The BMW N55 motor should have no problem lasting over 150,000 miles, and some owners report getting over 250,000 miles out of their engines.
How much boost can N55 handle?
With a reliable twin-scroll turbo, the N55 is capable of making up to roughly 25-26psi. However, for reliability and longevity reasons, we recommend limiting boost to about 20-21psi.
Is the N55 good for tuning?
Overall, BMW’s N55 is a tuner-friendly engine capable of making, on the stock turbo, plenty of power to satisfy a majority of enthusiasts, all while remaining reliable and driveable in all conditions.
Is N55 more reliable?
However, the N55 has proven to be the more reliable engine. N54’s are notorious for their common problems, especially early on, but these issues are currently resolved.
Is N55 a tunable?
This high performance N55 engine is highly tunable and fast.
Is the N55 reliable?
N55 Reliability Despite the many misconceptions that BMW’s as a whole are unreliable, the BMW N55 is actually a fairly reliable engine. The four most common problems with the N55 are, in no specific order, the valve cover and gasket, water pump, oil filter housing gasket, and VANOS solenoids.
How do I know if I have PWG or EWG?
You can see the physical differences between the EWG and PWG wastegates. Additionally, towards the top left of the PWG photo you will see a blue connector. EWG N55’s do NOT have the additional blue connector.
What is a n55e?
The MHD Flasher N55 E-Series is a complete flash tuning app for your BMW. Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms.
How long do coils last N55?
We recommend the following N55 ignition coil intervals: Stock – 60,000-70,000 miles. Modded – 30,000-40,000 miles.
How often should you change spark plugs N55?
In most modern BMWs, manufactured after 2010 with the N20 or N55 engines, it is required to change spark plugs every 60,000 miles. For BMWs with V8, V10, or N54 or N63 engines, 37000 miles are the threshold before getting new spark plugs.
Is the N55 more reliable than N54?
Of course the N55 is more reliable, as stated they built it for primarily that reason. Especially if you’re not into tuning then I see no reason to seek out an N54. Just take a good look at the car you want to buy; it isn’t hard to tell if a car was well maintained or driven into the ground.
What size is N55 turbo?
The N55 engine had a journal bearing Borg Warner ‘B03’ turbocharger which had a custom version of the smallest Borg Warner EFR billet compressor wheel (62 mm) and custom inducer sizing. For the N55 engine, maximum boost pressure is understood to be around 0.61 bar (8.8 psi).
How much power can a stock N55 turbo make?
HOW MUCH POWER CAN THE STOCK N55 MAKE? From the factory, according to BMW, the N55 Inline-6, twin scroll single turbo motor produces 306 HP/ and 295Ft-Lbs. Like most BMW’s, we expect these numbers to be underrated, and we set out to find just how much power it will make.
Which is better N55 or B58?
As you can see, from very early on the B58 has big gains over the N55 which it holds right through the rev range. As you can see, the B58 has a very similar boost curve, but makes around 4PSI more than the N55 across virtually the whole rev range.
Does N55 have forged rods?
To give the N55 new purpose, BMW started from the ground up with it. Starting from the block and rotating assembly, BMW gave the N55 a forged crankshaft, forged connecting rods and newer piston rings.
Which BMW engine is the most reliable?
- BMW B58 Engine.
- BMW M20 Engine.
- BMW M50 Engine.
- BMW S62 Engine.
- BMW N52 Engine.
- BMW M54 Engine.
What cars had the N55 engine?
- 2009–2017 F10/F11/F07 535i.
- 2010–2013 E90/E91/E92/E93 335i.
- 2010–2013 E82/E88 135i.
- 2010–2017 F25 X3 xDrive35i.
- 2011–2013 E70 X5 xDrive 35i.
- 2011–2015 F30/F31 335i.
- 2011–2014 E71 X6 xDrive 35i.
- 2012–2015 E84 X1 xDrive35i.
Are BMW turbos reliable?
Consumer Reports’ reliability surveys have also found that manufacturers with a lot of experience building turbocharged engines—Audi, BMW, Porsche—tend to have more reliable powertrains.
Does the M2 have a N55?
The M2 Competition uses the BMW M GmbH S55 engine, a high performance variant of the N55 engine, that has been detuned from its application in the F80 M3 and F82 M4.
How much HP can N54 handle?
The N54 can handle around 600-650whp and 550-600wtq on the stock block and internals.
Is the N55 closed-deck?
The N55 engine family: Both engines are of OPEN DECK design, meaning that there is a space between the engine block and cylinders sleeves to cool the engine.
What is the difference between N55 and S55?
The biggest difference though is how everything is cooled, the S55 mill having a closed-deck block while the N55 has an open-deck design. That means the block of the S55 can take more abuse and still run efficiently.