Access your BMWs DME wirelessly by connecting to your phone! The enthusiast's tool of choice for xHP Flashtool and many other transmission and engine tuning options.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Quick and reliable power from a name you know and trust!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Maximum gains of up to 40 HP and 70 ft-lb of torque!
Brand:
ES#:
3184687
Mfg#:
D440-0045
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$321.99
This product was last offered at the strikethrough price on 07-04-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4429716
Mfg#:
999981
Ships on Aug 3, 2026
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 07-01-2026
A piggy back tuner that allows you to adjust throttle response for peak performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4884002
Mfg#:
999982BMW
Special Order: No Guaranteed ETA
ON SALE!
SAVE 10%
$259.00
This product was last offered at the strikethrough price on 07-01-2026
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Jul 21, 2026
$30.00 USD
Lifetime Replacement
More About Performance ECU Software / Tuning
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
