Thread: Lost Boost
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Haynpunch Haynpunch is offline
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Posts: 585
Join Date: Jun 2017
Car: 07 E90 335i
Default 06-11-2019, 02:43 PM

Did you check wastegate movement while applying vacuum with a hand held vacuum gun or measure vacuum at the boost solenoids?

N54 WG Vacuum Line Testing HOW-TO - YouTube

07 E90 AT - xHP
JB4 G5 - Trebila BEF
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