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
Free up some extra horsepower by replacing your fan with a Mishimoto e-fan
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 vehicles with production date up to 09/1995
Brand:
ES#:
2855348
Mfg#:
E36FNDKT6KT7
In Stock
$329.99
This product was last offered at the strikethrough price on 09-27-2026
Eliminate parasitic loss and free up to 11hp! An ideal compromise between power, reliability, and system performance.
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 vehicles with Bosch alternator only
Brand:
ES#:
3220789
Mfg#:
PPKE46KT
In Stock
ON SALE!
SAVE 20%
$382.99
This product was last offered at the strikethrough price on 06-13-2026
Sold in a black powdercoated finish.
2X 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
Stainless Steel exhaust tip featuring a 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet
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 Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4039312
Mfg#:
026374TMS02-01
In Stock
ON SALE!
$89.99
This product was last offered at the strikethrough price on 05-02-2026
Add some design flare to your engine bay!
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 +38 lb-ft TRQ (Crank); +39 HP and +34 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 For model years 2012-2018 only
Brand:
ES#:
4490239
Mfg#:
D440-0127
Ships in 9 Business Days
ON SALE!
SAVE 10%
$675.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
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
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
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 50 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 For vehicles with pneumatic waste gate; not for sale or use in the state of California.
Left - Brushed Stainless Slash Cut Exhaust Tip - 2.75 Inlet - 3.0 OD
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 Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4146848
Mfg#:
026732TMS06-07
In Stock
ON SALE!
SAVE 39%
$121.99
This product was last offered at the strikethrough price on 05-02-2026
Reduces the delay of your "Drive by Wire" throttle response - All new V3 model provides additional features such as 'valet' and 'pedal lock' modes
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
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
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
Prevent crankcase oil fumes from condensing and filling your intake piping, turbo piping, intercooler, intake manifold, and breather system
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
Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 4.0" Double Wall, Angle Cut Outlet
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 Can be used on any 2.5" exhaust piping. Measure before ordering.
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
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
