Progressssssssss parked the 135i for winter and in the m3 thinking that the alternator and pulleys need done soon and maybe some work to rear end cradle. But here is last RTAB I would say it was bad.
Bought some Royal Purple ATF fluid for my Trans and RP diff fluid as well. Getting the tight turn dry lsd sound. Went with 75w140 even though I know winter is coming. With it seeing auto x and time attack next season figured I'd start here. From what I read not much parasitic drag. At least not from what anyone can notice anyways.
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