Quote:
Originally Posted by mojobmw_e90
These are full of issues without warranty. Horrible cars. Father in law has one and it has more issues that the n54. Coolant lines run underneath the manifold, they tend to leak as they are plastic. It leaks and coolant goes onto the starter that also sits under the manifold. Now u need both of those. The drive shaft coupler fails at around 90k, they make a aftermarket replacement for 400 bucks. Rear self closing boot motor and strut go at 90k.those cost around 500.
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All stuff that has likely been replaced by previous owners for vehicles in his price range. Exactly why buying a lower mileage N54 is more problematic than buying a higher mileage one...by the time the higher mileage hits, injectors, coils, water pump, turbos (due to rattling wastegates), HPFP have all been replaced with the latest and greatest versions on the previous owner's dime.