E60 M5/M6 Underdrive pulley Our specially designed and engineered S85 underdrive pulley kit is a great addition to the M5/M6. This is done by improving power through reducing parasitic drag on the engine from slowing the speed of the alternator, water pump and AC compressor... MSRP: Now: $345.00 Add to Cart sku: 101-70E ESS E-Flash S85 ECU Tuning Software ESS E-Flash MSS65 ECU software is a result of extensive testing and exact calibration of ECU parameters to allow increased performance on either a stock car or in combination with other modifications. The ESS MSS65 S85 software is developed and tested in... MSRP: Now: $895.00 Choose Options sku: 101-70SMG S85 SMG Transmission Software 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... MSRP: Now: $495.00 Add to Cart Compare Selected × OK
sku: 101-70E ESS E-Flash S85 ECU Tuning Software ESS E-Flash MSS65 ECU software is a result of extensive testing and exact calibration of ECU parameters to allow increased performance on either a stock car or in combination with other modifications. The ESS MSS65 S85 software is developed and tested in... MSRP: Now: $895.00 Choose Options sku: 101-70SMG S85 SMG Transmission Software 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... MSRP: Now: $495.00 Add to Cart Compare Selected
sku: 101-70SMG S85 SMG Transmission Software 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... MSRP: Now: $495.00 Add to Cart Compare Selected