Designed for optimum performance, precise fitment, and bespoke style.
Expect power increases of 10-15hp, 8-12ft-lb (even more with performance software)
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +7HP +7LB/FT gains!
Brand:
ES#:
3138974
Mfg#:
N4MS43Z3
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +4HP +7LB/FT gains!
For 2004-2005 production years only
Brand:
ES#:
3138999
Mfg#:
N745X330M
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Eliminate the dreaded S54 rasp and give your BMW E46 M3 an exotic sounding exhaust note. Includes all necessary installation hardware
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5507305
Mfg#:
048781LA01KT2
Ships in 7 Business Days
$937.57
This product was last offered at the strikethrough price on 09-12-2026
A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Includes crank bolt capture & hardware
2X Entries Into Our F80 M3 Sweepstakes
Tackle preventative maintenance and improve engine performance (and driving experience) at the same time
10X Entries Into Our F80 M3 Sweepstakes For vehicles with Bosch alternator and production date up to 10/2002
Brand:
ES#:
3996228
Mfg#:
E53X530PPKT
In Stock at Vendor
ON SALE!
SAVE 14%
$1088.99
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- For 1987 models with a automatic transmission and ECU number 0-261-200-524
Brand:
ES#:
4056827
Mfg#:
524-210
In Stock
ON SALE!
SAVE 25%
$249.00
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
