i have a 2005 mini cooper s convertible (R52)....it threw a service engine soon light...so hooked it up to a scanner and it threw a gas knock code...being a standard i don't see it being carbon build up...but i dont know for sure...i use 93 gas it calls for 91...maybe it needs a new sensor... i haven't felt any loss in power or even heard any knocking...just wondering your opinion!? thanks
Aug 17, 2011 at 11:46 AM