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...

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...

S85 E-Flash ECU Supercharger Software

ESS supercharger software for used ESS Tuning S85 supercharger system. Compatible with the following kits : -VT1-635-VT2-650-VT2-660-VT2-675 With the E-Flash software, the end user can quickly switch between stock and upgraded software versions. Any...

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...

S85 VT2-650/675 8PK Drive Upgrade Kit

Complete 8rib beltdrive system upgrade for ESS S85 Gen.1 VT2-650 and Gen.2 VT2-675 supercharger system. 100% bolt-on, massively increases belt traction under heavy loads.

S85 VT2-675 Supercharger System (Gen.2)

Featuring the self contained Vortech V3 supercharger unit in Si trim which is capable of up to 775hp.The S85 VT2-675 Gen.2 intercooled supercharger system comes with an especially developed cast aluminium manifold assembly with a integrated liquid to air...