How reliable is the N55 engine?
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.
Is the N54 engine reliable?
Despite a couple of early issues, both the N54 and N55 engine models are relatively reliable. Valves cover gasket and water pump have the most problems since neither can be cured until near the end.
How long do N55 engines last?
How long will a BMW 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 long do N55 turbos last?
N55 Turbo Longevity at 20+ PSI However, it is possible for N55 turbos to last 50,000+ miles at 23psi, for example. On the other hand, the stock turbo may decide to let go much sooner even at 20psi. It’s part of the risk you need to accept in pushing the N55 turbo towards its limits.
Does N55 burn oil?
Originally Posted by oVeRdOsE. n55 do burn oil, but for me it’s like nothing, since my audi burn 1L every 5000km or so.
What makes N54 unreliable?
The N54 Wastegates fail from simple wear and tear of the engine. Over time the actuator and rods of the turbocharger wear down, resulting in rattle and boost control issues. In this case, running higher levels of boost (psi) on your turbochargers will likely increase your chances of Wastegate failure.
How long will N54 last?
You can keep a BMW with no problem if you have the money for it. They are expensive cars, but they can be maintained regularly and you will usually enjoy mileage of 200k on them.
Which BMW engine has timing chain Problems?
BMW X5 330D 3.0 Engine Problems The BMW X5 330D 3.0 diesel engine suffers from the problem of timing chain. In these engines, the crankshaft sprockets also cause severe damage to the timing chain if misaligned, and result in many engine problems.
How many quarts of oil does an n55 engine take?
Capacity: With filter 6.9 quartsAfter refill check oil level.
Is the N54 engine more efficient than the N55?
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. N54 vs. N55 Reliability: Which Engine is More Reliable? This is always a touchy subject when it comes to discussions about the N54 and N55.
Are there any problems with the N55 engine in a 335?
“The N55 in the 335 is an excellent motor, and very smooth. However, there were some reliability issues over the course of 45,000 miles. “I’ve had to replace the valve cover gasket, an oil filter housing, oil pan gasket, front pinion seal, oil filter cover, drive pulley, and drive belt,” he adds.
Are there any problems with the BMW N54?
Fuel injectors, the HPFP (high pressure fuel pump), and waste-gate rattle plagued the N54 for the first several years of its production. These are among several other issues that have convinced some BMW owners to avoid the N54.