If you end up with the turner, it’s my opinion that you buy a vacuum pump off of Amazon/alibaba to power the exhaust valves instead of tapping into engine vacuum.
Less headaches and less lines running from the trunk to the engine bay. With the vacuum pump you can leave everything in the trunk and it operates the same way.
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2009 BMW 335i 6MT
*big single (eventually)*
For now...
MHD tuned
VRSF Race IC
DCI
ATM exhaust
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