Originally Posted by M3PO
Oh boy, my '08 with typical bolt-ons goes in for an Evolve tune and before and after dyno. I hope I fare better than you. I must say, my M3 doesn't feel feel like it has 100+ more HP than my old 350Z with bolt-ons. I'm kinda worried.
I used to have. 350z and my m3 feels twice as responsive.my base was 359 with xpipe and drop in filter. I miss the z sometimes.