The 135i seems to be shockingly quick after being tuned up.
http://www.e90post.com/forums/showthread.php?t=148655
They claim that the stage 1 will take the 335i/135i to 400 to 410 bhp!! 06 to 60 in 4.4s
http://www.e90post.com/forums/showthread.php?t=148655
They claim that the stage 1 will take the 335i/135i to 400 to 410 bhp!! 06 to 60 in 4.4s
Last edited: