The latest and greatest Wireless connection method for your BMW F and G series vehicles and the 2020+ Toyota Supra
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
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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.
Alter parameters and fine-tune — wirelessly!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Tune out the delayed throttle response from the factory with Injen’s X-Pedal Pro Black Edition and revamp your driving experience!
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Brand:
ES#:
4304635
Mfg#:
PT0008B
In Stock at Vendor
ON SALE!
SAVE 15%
$243.99
This product was last offered at the strikethrough price on 05-15-2026
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58! Highest HP gains from Burger Motorsport!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
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
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.
$863.99
This product was last offered at the strikethrough price on 06-04-2026
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
Ships in 6 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.
$310.99
This product was last offered at the strikethrough price on 06-04-2026
Max gains of up to +47 HP and +59 lb-ft TRQ (Crank); +42 HP and +54 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#:
4430024
Mfg#:
D440-0131
Ships in 9 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.
$703.99
This product was last offered at the strikethrough price on 01-25-2026
Advanced BMW B58 tuner for power, customization, monitoring, and performance optimization.
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Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
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All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
