Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip. Options for both harness types A and B
BMW used two different engine harnesses, please confirm if you have type A or B before ordering
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!
Brand:
ES#:
4732906
Mfg#:
05-462-00229-0KT
In Stock at Vendor
ON SALE!
SAVE 15%
$1199.00
This product was last offered at the strikethrough price on 09-01-2026
Increase of +10 Horsepower, and +15 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Brand:
ES#:
4732787
Mfg#:
05-452-00219-8KT
Ships in 1 Business Day
ON SALE!
SAVE 15%
$999.00
This product was last offered at the strikethrough price on 09-01-2026
Increase of +20 Horsepower, and +26 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
Brand:
ES#:
4732788
Mfg#:
05-452-00220-0KT
Ships in 1 Business Day
ON SALE!
SAVE 15%
$1099.00
This product was last offered at the strikethrough price on 09-01-2026
Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.
Lifetime Replacement
