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      06-02-2019, 09:31 PM   #8
pearlpower
First Lieutenant
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Drives: 2013 328i
Join Date: Jan 2018
Location: Beverly Grove

iTrader: (0)

Quote:
Originally Posted by 9vapors View Post
vacuum leak that's either sealing up when it's warm or you just can't hear it after cold start.
Only when vehicle has been driven and nice and warm. Cold, no noise, even after 10 minutes or so. Drive it for 20 minutes......noise, again only at idle. Not steering dependent, new belts, new tensioner. AC on/off makes no difference.
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