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.
Access your BMWs DME wirelessly by connecting to your phone! The enthusiast's tool of choice for xHP Flashtool and many other transmission and engine tuning options.
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 30 lb/ft of torque!
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 Aug 25, 2026
$500.99
This product was last offered at the strikethrough price on 04-15-2026
Increase power without sacrificing reliability
For vehicles with model years 2009-2011
Brand:
ES#:
3410510
Mfg#:
77-46322
Ships in 2 Business Days
ON SALE!
SAVE 13%
$492.99
This product was last offered at the strikethrough price on 08-03-2026
$427.35 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
More About Performance Tunes & Software
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
