- 1 How long do BMW Turbos last?
- 2 What are common problems with BMW 335i?
- 3 Is the N54 really that bad?
- 4 Is the N55 engine reliable?
- 5 How much does it cost to replace a turbo on a BMW?
- 6 Which BMW models are twin turbo?
- 7 What year 335i is most reliable?
- 8 How many miles can a BMW 335i last?
- 9 What is high mileage for a BMW?
- 10 How much HP can N54 handle?
- 11 How long do N54 engines last?
- 12 Why do N54 injectors fail?
- 13 How much HP can N55 handle?
- 14 How long do N55 engines last?
- 15 What engine is better N54 or N55?
How long do BMW Turbos last?
60-80k is how long stock turbos usually last.
What are common problems with BMW 335i?
The Common Issues
- High-Pressure Fuel Pump or HPFP. If the engine is the heart of the problem, the HPFP is the arteries.
- Wastegate Rattle. This is one of the worst issues that specifically plague the N54.
- Leaky and/or Clogged Fuel Injectors.
- Valve Cover/ Gasket Leak.
- Water Pump.
- AC Evaporator.
Is the N54 really that bad?
N54 is one of the top 10 engines ever made IMO. No problems with the N54 Engine, HPFP & Injectors were problems on the early models but seems to be fixed now and much less problems nowadays so yeah no problems.
Is the N55 engine reliable?
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 much does it cost to replace a turbo on a BMW?
The average cost for a BMW 328i turbocharger assembly replacement is between $3,646 and $3,836. Labor costs are estimated between $726 and $916 while parts are priced at $2,920.
Which BMW models are twin turbo?
The BMW 135i, 335i/is, 535i, 640i, 740i/Li, X3 xD35i, X5 xD35i, X6 xD35i, and the Z4 xD35i/is have BMW’s famous 3.0 Litre Inline-6 Twin Turbo engines that produces 300hp/300tq (the 640, 740 has a tweaked twin turbo engine that makes 315hp/332tq, and 315hp/330tq, respectively; whereas the 335is/Z4xD35is makes 320hp/
What year 335i is most reliable?
The most reliable 335i will be a 2014 f30 chassis.
How many miles can a BMW 335i last?
If you continue with the proper maintenance and keep everything upto date with no delays you can get up 200k miles out of that car. Your turbos may need replacing around 150k. Your Turbos have a 120k warranty on them.
What is high mileage for a BMW?
High miles is no real problem especially for a BMW but saying that the car has to have been looked after well and regularly serviced with some if not full service history but most components do need replacement after 100000 miles on BMW cars so make sure to do thorough checks on one around that mileage.
How much HP can N54 handle?
N54 Engine Limits – Simple Answer
The N54 can handle around 600-650whp and 550-600wtq on the stock block and internals.
How long do N54 engines last?
Kinda hard to tell being that the N54 is still a relatively new platform. If you maintain your car properly you should have no problems up to 100K.
Why do N54 injectors fail?
N54 Fuel Injectors Failure Symptoms
These symptoms could either be the result of a leaky fuel injector, or a clogged fuel injector. When it is a leaky injector causing these symptoms, then you will likely need to replace the injectors (which is expensive).
How much HP can N55 handle?
BMW’s N55 engine is capable of excellent performance straight out of the factory. 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.
How long do N55 engines last?
Just change the oil every 10k miles and don’t abuse the car, and it will last 10 years at least without any real issues. I had the exact same issue on my n55 135i.
What engine is better N54 or N55?
Mod for mod the N54 will outperform the N55. A large reason for the switch from the twin-turbo to twin-scroll turbo is cost and complexity. Even though the N54 is more efficient when modified, each engine and its respective turbocharger set up will produce well into the range of 400+ wheel horsepower and torque.