Quote:
Originally Posted by Three_thirty_I
Stab at a guess, fuel pump? Not so familiar with the sounds up close of the N54/55. Could be the LPFP as you mentioned. Have never heard this on my 330i just for reference.
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Yea it could be but I'm not sure. I haven't yet had a very long crank situation or car not turning on situation either so I'm unsure.