In Reply to: Platinum +4's in my 95 525i for 2 yrs ! posted by Phil Coppin on October 01, 2001 at 19:40:27:
95 525i 5spd. Shark in sheeps clothing
with a chip and running premium, you won't have the problems I've seen non-sharked, running 89 octane. I guess I'll have to step up to a Jim C and 93 octane (ouch!) to be able to see gains from the +4's.