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      02-27-2016, 06:04 AM   #27
b1mmr
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Drives: 2008 335XI E90
Join Date: Jun 2015
Location: Ohio

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Quote:
Originally Posted by The Spoon
90% sure it's your boost solenoids. Next time you hear it give them a couple taps and the noise should stop. The noise should also stop when you give the engine a slight rev. I've replaced my solenoids with the newer revision and they still make this noise every now and then, so I wouldn't worry about it.
Will do, thank you! Why would they do this? I have heard that they need beat on from time to time, that is really unfortunate. Great diy BTW.
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