Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Alter parameters and fine-tune � wirelessly!
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 40 HP and 55 lb/ft of torque! For Mid-2012 to 2013 vehicles.
For limited use in California, please see full description. CARB certified for sale in all 50 states
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For 2014 and newer vehicles.
Not for sale or use in the state of California.
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.
Increase of +96 Horsepower, and +94 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
This software is only compatible with Windows PC / Laptop.
Increase of +75 Horsepower, and +71 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
This software is only compatible with Windows PC / Laptop.
Increase performance without sacrificing reliability
Brand:
ES#:
3981359
Mfg#:
77-86311
Back Ordered
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$726.99
This product was last offered at the strikethrough price on 07-25-2026
$581.00 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
More About Performance Software & Tuning
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.
