Originally Posted by 07bmw335iguy
So I guess we can all assume your transmission is still running and shifting great? Plan on doing this tomorrow. Thanks
Smooth as silk.
If no codes are being thrown use Chevron Techron fuel injector cleaner (concentrate). It solves rpm fluctuating upon cold start-up. Also, for most BMW problems start off by scanning your car with the Peake Research Tool. It contains the actual BMW codes. If you want to register a newly installed battery for free (just buy a $10 cable) and google/download BMWLogger