Originally Posted by bluebeastsrt
Car & Driver says the 550i will hit the traps at 13.1@109. My L99 trapped 13.1@107 with a tune, muffler delete and cold air intake. I cut a 1.9 sixty on every pass.
My friend does 13.0 @ 107 stock with a tune, 13.0 @ 108 stock with a tune/intake. He always cuts 2.0 60 foots.... What tune do you have ? Seems like it could be faster on the shifts.