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.
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
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 4 Business Days
ON SALE!
SAVE 10%
$285.99
This product was last offered at the strikethrough price on 09-28-2026
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 +26 HP and +36 lb-ft TRQ (Crank); +23 HP and +33 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#:
4499651
Mfg#:
D440-0162
Ships in 10 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
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.
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
Next-Gen Power Delivery with OEM-Level Integration - up to + 35 HP / + 45 TQ
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 early models with the Gen2 B46 engine (B46D / B46TU)
Brand:
ES#:
5434552
Mfg#:
NM.64502046
Ships in 2 Business Days
$649.00
This product was last offered at the strikethrough price on 09-22-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +45 HP / +40 TQ
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 late models with the Gen3 B48 engine (B48P / B48TU2)
Brand:
ES#:
5434553
Mfg#:
NM.64502048
Ships in 2 Business Days
$649.00
This product was last offered at the strikethrough price on 09-22-2026
$597.99 USD
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on orders $49 and up
Lifetime Replacement
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