Thread: Turbo help !?
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      01-24-2013, 11:51 PM   #4
pattyp247
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Drives: 2011 335i space grey
Join Date: Jan 2013
Location: glendale ca

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Quote:
Originally Posted by boostd92
Chirping at fluttering sounds are completely normal with the BMS intake. It definitely makes more of them as you are light on the throttle right before the next shift. It's just the bypass valve opening and closing based on intake pipe pressure
Thnx man makes a lot of sense i put the er cp in today and sounds the same thought it was a vaccum leak but your knowledge is appreciated!
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