Thread: My BMW makes like a whistling sound around engine when turned on
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Old 12-08-2008, 06:19 PM
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CharlieHustleX5 CharlieHustleX5 is offline
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IMO, I wouldn't spray anything on the belts. If you have a whistling sound, its more likely a sign that one of your pully bearings are worn out. But dont spray anything on your belts.
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