The best performance software available for your S54 engine.
M3 from 2001-2005, MZ3 from 2001-2002, and M coupe from 2001-2002.
ECU can be shipped to us for programming or flashed remotely with our remote interface. (For remote flashing a Windows PC and a KDCAN cable is required.)
For any and all modifications to your MSS54/MSS54HP equipped S54 engine.
This includes CSL/CSL replica airboxes, open trumpets, pullies, exhaust, cams, or anything else you can throw at your NA S54.