Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD, BM3, or ECUTEK tunes and works with any High Pressure Fuel Pump.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with an Automatic Transmission only For models with an Automatic Transmission ONLY. Compatible with MHD, BM3, or ECUTEK Tunes
Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Tune out the delayed throttle response from the factory with Injen’s X-Pedal Pro Black Edition and revamp your driving experience!
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
Add Performance to your B58 While Maintaining Reliability with Dinan!
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! For model years up to 2019 (B58M30M0 (B58A) Engine ONLY)
Brand:
ES#:
4428752
Mfg#:
4431
Ships in 7 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.
$863.99
This product was last offered at the strikethrough price on 06-15-2026
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!
Brand:
ES#:
3184688
Mfg#:
D440-0047
Back Ordered
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$310.99
This product was last offered at the strikethrough price on 06-15-2026
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
Max gains of up to +45 HP and +55 lb-ft TRQ (Crank); +40 HP and +50 lb-ft TRQ (Wheel).
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!
Brand:
ES#:
4430037
Mfg#:
D440-0145
Back Ordered
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$749.99
This product was last offered at the strikethrough price on 06-15-2026
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
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.
