The latest and greatest Wireless connection method for your BMW F and G series vehicles and the 2020+ Toyota Supra
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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.
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For F-Chassis Vehicles w/ N63TU Engine Only; Not for sale or use in California For vehicles with an N63TU engine only
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
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
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Data Cable to Assist with Bootmod3 Software Installation
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4265905
Mfg#:
OBD2ETHERNET
In Stock
ON SALE!
$32.99
This product was last offered at the strikethrough price on 05-02-2026
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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Maintain driveability and reliability while adding up to 40 HP and 30 lb/ft of torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 2012 to 2013 model year vehicles; not for sale or use in the state of California.
Brand:
ES#:
3508736
Mfg#:
S1-N63-B
Ships on Jun 19, 2026
$500.99
This product was last offered at the strikethrough price on 04-15-2026
Looking to add more horsepower and torque to the N63TU from a plug and play accessory? Look no further!
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! From production years 2013-2019
Brand:
ES#:
4615566
Mfg#:
D440-0139
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.
$749.99
This product was last offered at the strikethrough price on 05-10-2026
Maintain driveability and reliability while adding up to 60 HP and 45 lb/ft of torque!
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Maintain driveability and reliability while adding up to 40 HP and 30 lb/ft of torque!
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Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
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A piggy back tuner that allows you to adjust throttle response for peak performance.
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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. Includes JB4 side repair harness molex pigtail.
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Lifetime Replacement
