Poverty
Oversteer Expert
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Audi HQ Discussing RS4 Carbon Buildup
TFSI's and FSI's suffer from carbon build up on their valves. This is a VAG wide problem, but all direct injection engines appear to suffer from this problem barring lexus, so BMW and MB fans, your engines will have similiar issues.
TFSI's and FSI's suffer from carbon build up on their valves. This is a VAG wide problem, but all direct injection engines appear to suffer from this problem barring lexus, so BMW and MB fans, your engines will have similiar issues.