Thread: DIY: Locating boost leaks in N55
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      01-22-2023, 10:55 AM   #16
JOE850V12
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Drives: BMW 135i M-sport
Join Date: Nov 2022
Location: Wisconsin

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what is the leak sound like at high RPM? mine is squealing like a loose belt(all new tensioner, belt etc.) beyond 1/2 throttle. have driven much because of a Valve cover oil leak that hopefully I'll fixed soon. any insight will be helpful.
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