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AC Tuning AC Tuning is offline
New Member
Posts: 19
Join Date: Sep 2020
Car: M4 Competition
Default 10-10-2020, 07:55 AM

Just an update, i had a look under the car and on the back turbo there is a bar that links the actuator to the wastegate in the exhaust housing. If you hold the bar and give it a wiggle it makes the same sound i hear.

When i swap the turbos in a couple of weeks i will see if i can find a fix

2018 Sanmarino Blue M4 Comp

Engine tuner
Bootmod3 dealer

Instagram @ac_tuning
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