Tweaked or broken vacuum line?
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02-06-2013, 03:49 PM
Drives: E90 M3, E90 335i, E92 328i
Join Date: Apr 2009
Originally Posted by
Thanks for the tip; yeah, I'll probably do this once my indy gets back from vacation.
What happens to the engine when there's a vacuum leak? Does performance suffer?
Yes. Wastegates won't close -> underboost.
Brand new 255/35/18 Michelin PS2's:
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