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
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.
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For G-Chassis Vehicles Only; Not for sale or use in California
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
Maintain driveability and reliability while adding up to 60 HP and 45 lb/ft of torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Increase power without sacrificing reliability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with model years 2011.5-2012
Brand:
ES#:
3410509
Mfg#:
77-46321
Ships in 2 Business Days
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$577.99
This product was last offered at the strikethrough price on 06-03-2026
Increase power without sacrificing reliability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with model years 2009-2011
Brand:
ES#:
3410510
Mfg#:
77-46322
Ships in 2 Business Days
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$577.99
This product was last offered at the strikethrough price on 06-03-2026
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
