Car and Driver already ran a 3.9 in a DCT car while Road and Track ran 4.1 in a 6spd. manual. The issue with this car is probably no traction...285's with that much hp.
2013 M3 Coupe-MR/BLK ZCP, ACM test pipes, BPM Stg2 dev. tune and Megan catback, AFE Stg2. with C/F elbow
Previous rides: 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk