BMW Sprint Booster Drive-By-Wire Enhancement Module (2001+ BMWs) V3

This is the latest version - V3

Sprint Booster comes with 3 Acceleration modes/presets ( OFF / SPORT / RACE ):
OFF mode Sprint Booster is deactivated. The response of the car has the factory settings.The LED of the Selector switch is OFF.
SPORT mode Sprint Booster provides improved  up to 30%. The LED of the selector switch in Sport mode is Green.
RACE mode Sprint Booster provides improved  up to 60%. The LED of the selector switch in Race mode is Red.
 
Each mode (SPORT RACE) comes with 9 steps-programs so the driver can choose the one that suits his driving style (18 programs for manual & 18 programs for automatic transmission in total).
This allows the driver to fine-tune each mode (SPORT   according his needs by selecting one of the nine different programs on each mode.
You can select 1-9 in SPORT mode (Green light)  and 1-9 in RACE mode (Red light) with 1 being the least aggressive program and 9 the most aggressive one.
Each program adjusts the response by 3-6%  so it can be fully adjustable and customized by each driver.