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My N54 started making a distinct metallic ticking sound that's not the injector tick.
Narrowed it down to either boost solenoids or lifter tick.
Only happens after sustained highway driving of over 20-30 minutes, and goes away when blipping throttle.
Might go to a higher weight oil next change, and check on boost targets
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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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