How To Tell If Wastegates Are Rattling?
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01-28-2013, 12:27 PM
Drives: 135i Silber mit/Rot 6MT N54
Join Date: Feb 2010
Location: Bayern, Germany
pull off the vacuum line(s) at the vacuum res with the engine running. Two res next to the passenger headlight. IF the rattle stops with the engine running - your WG are shot.
I posted a video a week or two ago about this. I can't find it right now.
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