Like most BMW’s, the N54
cooling system is prone to failures and leaks
. It is highly unlikely you make it past 100,000 miles without some sort of cooling system issue. As such, you will likely effectively change the coolant before the time comes anyways.
How bad is the N54 engine?
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 does a N54 engine 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.
Is BMW 335i expensive to maintain?
The
annual maintenance cost of a BMW 335i is $1,030
. Repair and maintenance costs vary depending on age, mileage, location and shop.
How much HP can a N54 handle?
N54 Engine Limits – Simple Answer. The N54 can handle around
600-650whp
and 550-600wtq on the stock block and internals.
Is N54 a good engine?
The N54 is a very highly regarded engine
, for the most part. It’s received numerous International Engine of the Year awards and had thrice won the Ward’s 10 Best Engine Award. From an enthusiast standpoint, there are few engines today that can offer a similar return on the dollar in terms of modifications.
Is wastegate rattle bad N54?
When the wastegates rattle it means that they arent sealing properly
. That is not true. The “standard” wastegate rattle on N54s happens off-boost. On full boost, the wastegate actuator is pulled and the gate closes = no rattle since everything is under tension.
Are N54 internals forged?
No N54 or N55 has forged internals
, lul. The only thing forged on the N54 is the crank, period.
Is the N54 the new 2JZ?
| N54 2JZ-GTE | Crankshaft Forged Forged |
|---|
How many miles do N54 turbos last?
The turbocharger centers should definitely last
upward of 100k miles
if they are not abused (pushed to the max regularly) and are well maintained.
How long do stock N54 turbos last?
60-80k
is how long stock turbos usually last. 60-80k is how long stock turbos usually last. I’m at 65K on my TT’s.
How long do turbos last on 335i?
Turbochargers on the BMW N54, for the most part, last around
100,000 miles
before they have to be rebuilt or replaced. It isn’t uncommon to hear of cars that have the original turbos still functioning as designed upward of 200,000 miles.
Is the BMW 335i reliable?
The BMW 335i Reliability Rating is
2.0 out of 5.0
, which ranks it 28th out of 31 for luxury midsize cars. The average annual repair cost is $1,030 which means it has poor ownership costs.
Are 2007 335i reliable?
The 2007 BMW 335i Reliability Rating is
2.5 out of 5
. It ranks 30th out of 32 for all car brands.
What is the most reliable BMW?
- 8 2002 BMW 318i.
- 7 2008 BMW 750i.
- 6 2012 BMW Z4.
- 5 2016 BMW M4.
- 4 2005 BMW 325i.
- 3 2019 BMW F40.
- 2 2018 BMW i3.
- 1 2006 BMW E90 330i.
Is N54 fast?
How can I make my N54 faster?
How much HP does MHD add N54?
Expect your N54 MHD stage 1+ tune to put you in the ballpark of
320-370whp
. As with any of the N54 stages, 91 octane will result in lower boost targets and horsepower.
When did BMW stop making N54?
The N54 debuted at the 2006 Geneva Motor Show and was launched in the 335i model of the E90/E91/E92/E93 3 Series range. Following the introduction of its BMW N55 successor in 2009, the N54 began to be phased out. The final model powered by the N54 is the E89 Z4 roadster, which was produced until
2016
.
What engine is better N54 or N55?
What years did BMW use the N54 engine?
Here’s the full list of the BMW’s and Alpina’s that featured the N54 engine:
2006-2010
BMW E90/E91/E92/E93 335i. 2007-2010 BMW E60/E61 535i. 2007-2010 BMW E82/E88 135i.
Does wastegate rattle mean bad turbos?
It depends on what modifications you have done, most tunes induce some harmless wastegate rattle because of their ‘lagfix’. The turbos will be just fine.
The rattle usually doesn’t affect performance, if it does you’re likely to get an underboost code
.
How do I get rid of the wastegate rattle?
What causes wastegate rattle?
Wastegate Rattle is caused by
the wastegate flapper moving around inside the wastegate arm
; this movement is usually caused by a worn flapper bush, or the wastegate arm itself is worn. The rattle is presented when the flapper moves around, and makes contact with either the turbine housing, or the wastegate arm itself.
How much psi can a stock N54 handle?
However, if you are concerned about N54 turbo longevity, somewhere in the ballpark of
17-18psi on stock inlets/outlets and 19-20psi on upgraded
should be safe for most.
How much power does a FBO N54 make?
JB4 plus FBO you should be in the 400 range depending on what pump gas you are running. If
91 probably a little shy of 400rw
. If on race gas and FBO you should see north of 400.
Can a stock engine handle a turbo?
You can significantly increase the horsepower of your car’s stock engine by tuning it. In the future,
you may be able to use your stock engine for a turbo system
, allowing you to maximize the potential of your engine.
