3-Series (E36)Chat relating to the BMW 3-Series from 1992-1999. Autodoodad
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I just changed my oil today and when i was done i started the car like normal to check the level. I noticed a pretty loud buzzing noise like zzzzzzz constanstly on at idle. I have heard noises like this before but don't remember it being that loud. Also it seems more audible by putting my ear down by the wheel well, than standing over the engine bay.
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hmm, I was wondering if it might have been your vanos making noises. Or something like a loud tensioner. One of my cars belt tensioners is a little loud.
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