Increase throttle response and decreases turbo lag!
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 We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4066909
Mfg#:
10901020E
Ships in 10 Business Days
$179.99 USD
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on orders $49 and up
Lifetime Replacement
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The ultimate supplementary fueling kit for the N54 and N55 engines!
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
Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening.
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
Stepped Left - Black Chrome Rolled Angle Exhaust Tip - 3.0 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#:
4415632
Mfg#:
026732TMS03-13
In Stock
ON SALE!
SAVE 10%
$162.99
This product was last offered at the strikethrough price on 06-13-2026
Main Injector Harness For Installation of ReFlex+ For Inline-6 BMW Engines
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
Give your S65 the style, sound, and performance to outshine the rest of the competition. Full gloss carbon fiber intake that features a roaring induction noise and outflows the factory intake by over 35%!
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#:
4623288
Mfg#:
015888LA07
In Stock
ON SALE!
$1121.99
This product was last offered at the strikethrough price on 06-13-2026
Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation!
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#:
5335373
Mfg#:
018739LA02
In Stock
ON SALE!
SAVE 20%
$189.99
This product was last offered at the strikethrough price on 06-13-2026
Ditch the Stock Head Bolts for a Set of Head Studs from ARP!
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
The ULTIMATE N55 ignition system upgrade! This plug-and-play conversion kit offers a 2.3x increase in spark energy and supports over 1000 HP.
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 Produced Before 01/2011
Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397)
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#:
4335401
Mfg#:
11812283798
In Stock
ON SALE!
SAVE 25%
$98.99
This product was last offered at the strikethrough price on 06-13-2026
Plug & play power — gain up to 100 horsepower on a stock car, 160+ 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#:
3508712
Mfg#:
JB4N54
In Stock
$479.00
This product was last offered at the strikethrough price on 05-19-2026
Wireless controlled unit that allows adjustable throttle response control
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#:
4624166
Mfg#:
D440-1700
In Stock
ON SALE!
SAVE 10%
$288.99
This product was last offered at the strikethrough price on 09-28-2026
Capture harmful oil vapors and keep your intake tract clean. Now featuring an easy to empty drain plug!
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 use with custom plumbing and ECS universal mounting bracket kit
Brand:
ES#:
4369811
Mfg#:
003779ECS05-01
In Stock
ON SALE!
SAVE 46%
$233.99
This product was last offered at the strikethrough price on 05-02-2026
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
