The latest and greatest Wireless connection method for your BMW F and G series vehicles and the 2020+ Toyota Supra
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Unlock additional power and performance with the JB4 tuner
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Wirelessly connect your JB4 to your phone!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Remove the dead area from your throttle pedal.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Alter parameters and fine-tune � wirelessly!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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
Take your Inline-4 BMW to The Next Level With this all in one Tuning Solution!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Tune out the delayed throttle response from the factory with Injen’s X-Pedal Pro Black Edition and revamp your driving experience!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Quick and reliable power from a name you know and trust!
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
3184688
Mfg#:
D440-0047
Ships in 1-2 days
ON SALE!
SAVE 10%
$285.99
This product was last offered at the strikethrough price on 09-28-2026
Add Performance to your B58 While Maintaining Reliability with Dinan!
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For model years up to 2019 (B58M30M0 (B58A) Engine ONLY)
Brand:
ES#:
4428752
Mfg#:
4431
Ships in 6 Business Days
ON SALE!
SAVE 20%
$799.99
This product was last offered at the strikethrough price on 09-28-2026
Remove the dead area from your throttle pedal.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Max gains of up to +45 HP and +55 lb-ft TRQ (Crank); +40 HP and +50 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4430037
Mfg#:
D440-0145
Ships in 7 Business Days
ON SALE!
SAVE 10%
$675.99
This product was last offered at the strikethrough price on 09-28-2026
Unlock additional power and performance with the JB4 tuner
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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.
Lifetime Replacement
