E46Fanatics - View Single Post - Strange noise coming from engine
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Old 02-24-2013, 12:01 AM   #5
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Join Date: Feb 2010
Location: San Diego, SF Bay Area
Posts: 107
My Ride: 330i SuperVeloce
either you have a mouse under your hood or like they said, check your belts, pulleys, and tensioner. you could have oil on your belt, or it could be cracked. it could also be something that's become missaligned. PS pump, alternator, AC compressor. that's my best guess.
Some say, that inside his helmet, there is another helmet. All we know is...

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