Quote:
Originally Posted by jeremyc74
Direct injection (like the N54 has) is loud. It's a lot like a diesel. You don't have anthing to worry about. Your fuel system runs at over 1500PSI, compared to about 40PSI for normal engines. The injectors are noisy.
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Sorry to tell you there guy but I know what valve tick is vs injector clicking and the thread title says 1 Owners! not just 128i. My point above is still very valid and BMW needs to start putting the correct head in these units from the factory. They have known about this problem for a long while yet still keep building cars with the older version head. Its a simple check valve in the head that fixed the problem but they have to replace the entire head.