I had one of their tunes on my 997S, definitely one of the better tunes for the PCar. However, like others have said..I would probably go with a tried and true tune. Give Mike a call at BPM, you won't be disappointed.
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