Originally Posted by johntomferg
so we've got caps, snorkles, wrinkles, and trunks. Sounds like a regular beach party.
Was there this much variability in the 550i?
If you removed the carbon filter...would BMW ever beable to prove it was there (given the amount of inconsistency at this point with the contents of the stock airboxes)?
Watching this thread for the 20+hp gain graphs.
Don't know about the 550i, but there certainly was not variability on the E60 M5. I cannot believe that there is yet another difference on the F10 M5. Strange.
Oh - and with the E60 some folks reported a gain of 20HP. I'm definitely not claiming that