ESS Tuning - SMG Transmission Software - BMW S85
Optimized SMG transmission software. Increases shift firmness in S4/5/6 and increases launch control RPM to 4100RPM on US spec M5/M6's. When you order this product, you will receive our USB to OBD programming interface. A laptop that is Windows compatible is required.
2006-2010 BMW E60 M5 W/ SMG
2005-2010 BMW E63/E64 M6 W/ SMG