Plug & play power — gains up to 80whp/100wtq on a stock car!
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 Not for sale or use in the state of California.
Brand:
ES#:
4000046
Mfg#:
JB4-F90-M5
Special Order: No Guaranteed ETA
$899.00
This product was last offered at the strikethrough price on 05-19-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +48HP +32LB/FT
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 Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty.
Brand:
ES#:
3098036
Mfg#:
079-000
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 10-28-2026
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car!
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 Not for sale or use in the state of California.
Brand:
ES#:
3508710
Mfg#:
JB4-S63
In Stock
$699.00
This product was last offered at the strikethrough price on 05-19-2026
Max gains of up to +98 HP and +103 lb-ft TRQ (Crank); +86 HP and +94 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#:
4430040
Mfg#:
D440-0146
Ships in 6 Business Days
ON SALE!
SAVE 10%
$699.99
This product was last offered at the strikethrough price on 09-28-2026
Max gains of up to +98 HP and +103 lb-ft TRQ (Crank); +86 HP and +94 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 Limited to the S63TU4 engine up to the 2020 model year
Brand:
ES#:
4615787
Mfg#:
D440-0148
Ships in 6 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
Maintain drivability and reliability while adding up to 60HP and 60lb/ft 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
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car!
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#:
3508711
Mfg#:
JB4-S63TU
Ships on Nov 16, 2026
$899.00
This product was last offered at the strikethrough price on 05-19-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +39HP +38LB/FT
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 Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty.
Brand:
ES#:
3098432
Mfg#:
350-500
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 10-28-2026
Performance software with a 7,400RPM rev limit and Euro throttle response. +15HP +12LB/FT gains when used with 91 octane fuel!
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#:
3138910
Mfg#:
N4M5BMRL
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
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
Increase power without sacrificing reliability! Up to +57 HP/ +84 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#:
4348544
Mfg#:
77-46312
Ships in 4 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$625.00
This product was last offered at the strikethrough price on 10-28-2026
Plug & play power — gain up to 93WHP on pump gas and up to 135WHP on higher octane or E85 mixtures
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 the hidden potential from your BMW with a safe and easy to use module from RaceChip
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
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
