APR - Performance ECU Software - 4.0T EA825 V8 (D5) (S8) BMW 4 SERIES 432 We recommend our Rear Strut

We recommend our Rear Strut Extender Kit or HD Rear Shock Upgrade when installing this additional rear lift spacer

This BMW F10 5-Series exhaust delivers everything we know BMW enthusiasts would want in a performance rear exhaust including: a sophisticated yet aggressive tone

The factory wide open throttle (WOT) shift points are calibrated for the stock vehicle output

NEUSPEED's short shift kit reduces the throw from gear to gear by approximately 35% by changing the pivot point of the mechanism

APR - Performance ECU Software - 4.0T EA825 V8 (D5) (S8) BMW 4 SERIES 432 We recommend our Rear StrutWe're excited to announce our Engine Control Unit (ECU) Upgrades are now available for the Audi S8 (D5) 4. 0 TFSI V8 engine with the Bosch MG1 ECU! Expect massive gains with up to 685 767 HP and 731 804 FT LBS of torque on tap, depending on octane, from this simple software upgrade. APR's ECU Upgrades are the best dollar per horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque,