Flash your ECU and unleash the power your BMW was meant to have.
This product was last offered at the strikethrough price on
10-15-2026
Flash your ECU and unleash the power your BMW was meant to have.
This product was last offered at the strikethrough price on
10-15-2026
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
10X Entries Into Our F80 M3 Sweepstakes
Alleviate heat soak on the street or track.
This product was last offered at the strikethrough price on
06-13-2026
Increase of +50 Horsepower, and +26 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Increase of +38 Horsepower, and +39 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
10X Entries Into Our F80 M3 Sweepstakes
Alleviate the plague of heat soak on the street or track.
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
10X Entries Into Our F80 M3 Sweepstakes
Alleviate heat soak on the street or track.
This product was last offered at the strikethrough price on
06-13-2026
Remove the throttle lag and get more instant response.
This product was last offered at the strikethrough price on
10-19-2026
Version 1.
Remove the dead area from your throttle pedal.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance!
CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states
Increase power without sacrificing reliability
Adds up to 40hp and 51lbs. x ft. torque - instantly!
This product was last offered at the strikethrough price on
10-19-2026
This add on kit for BMW N54 engines allows your JB4 to "2step" the engine
Add an Install Kit to Your Motiv ReFlex Control Unit!
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Increase of +25 Horsepower, and +24 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!