Quote:
Originally Posted by samchoi604
What problems are plaguing the 3 series turbo engines? I guess if you tune the engine to 400+ hp, use shitty low-octane gas, and don't do regular oil change, then problems are bound to happen.
Otherwise, the stock N54 is extremely reliable, minus the HPFP which is not related to the engine.
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How often do you change your oil?