Many thanks for the response. Does the ZCP-optioned car have a more stiff/jouncy/uncomfortable ride, or is it actually more supple than the non-ZCP...
Question for any reader - Can anyone give me the any/all the BMW Part Numbers for the complete M Performance Coilover Suspension for M3/4? (Driving...
A belated thanks for the reply! I knew a little about viscosity, weather-related requirements and some of the specifications, but I'd never really...
Does anyone know if it is OK to switch from Castrol synthetic to Mobil 1 in an M4? I'd never thought about changing oils, but now BMW is now...
Thanks for your reply, here is some follow up that I posted to Mgarrison. The area BMW engineer/tech had the dealer download and install a...
Thanks again for your reply, I wanted to give some follow up. Took the car to my local BMW dealer, and they called the area BMW engineer/tech. They...
Thanks, I will discuss w/ head service tech @ the dealer!
A couple of questions on the M4 if anyone can answer. Twice during driving in moderate rain/wet and for several miles without having to apply the...
Great, exactly what I wanted. Thanks!
Can anyone explain to me the difference between an ECU 'flash' and what is referred to as a 'Piggyback' upgrade as far as tuning goes? For instance,...
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