Quote:
Originally Posted by 335xi Kevo
I have the same thing. The ticking of the injectors and the knock of an unknown cause. I brought it into the dealer and they said it was the purge valve, and was considered normal however I think it's worse. It's already there for them to hear on a cold start, ill return with my results.
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Your knock is louder than mine, but I am still curious to know what is causing it. I will be taking my car into the dealer tomorrow and see what happens.