Max gains of up to +25 HP and +36 lb-ft TRQ (Crank); +22 HP and +32 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#:
4508326
Mfg#:
D440-0158
Ships in 7 Business Days
ON SALE!
SAVE 10%
$699.99
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
Proprietary tune box designed specifically for the JCW GP3 to +30 Horsepower / 35 ft-lb of Torque
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#:
4905727
Mfg#:
NM.648847
Ships in 2 Business Days
$649.00
This product was last offered at the strikethrough price on 08-26-2026
Proprietary tune box designed specifically for the B48E Engine
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#:
5457132
Mfg#:
NM.648844
Ships in 2 Business Days
$649.00
This product was last offered at the strikethrough price on 08-27-2026
Max gains of up to +25 hp and +34 lb-ft of torque (Crank); +22 hp and +31 lb-ft of torque (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#:
4643369
Mfg#:
D440-0134
Ships on Nov 23, 2026
ON SALE!
SAVE 10%
$675.99
This product was last offered at the strikethrough price on 09-28-2026
Increase power without sacrificing reliability: Up to +38 HP/ +48 TQ gains
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#:
3209828
Mfg#:
77-46309
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.
$563.99
This product was last offered at the strikethrough price on 10-28-2026
Stylish protective waterproof case for your JB1 or JB4
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
Unleash +64 horsepower and +59 lb-ft of torque on your F54 with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
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
Unleash +49 horsepower and +37 lb-ft of torque on your F54 with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
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
Unleash +67 horsepower and +74 lb-ft of torque on your R55 with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
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
Unleash +42 horsepower and +44 lb-ft of torque on your R55 with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
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.
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