Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A piggy back tuner that allows you to adjust throttle response for peak performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A simple 30 minute install that will give you a huge increase in power! up to +44 HP & +73 lbs Torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4440465
Mfg#:
77-46326
Ships in 2 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 01-28-2026
Adds a high fuel pressure connection to the JB4 for S58 platforms, allowing direct control of fuel pressure and fuel trims
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase performance without sacrificing reliability for your M3/M4/M2Competition
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3981358
Mfg#:
77-86310
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.
$726.99
This product was last offered at the strikethrough price on 06-03-2026
Increase power without sacrificing reliability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Adds up to 64hp and 65lbs. x ft. torque - instantly!
Brand:
ES#:
3184622
Mfg#:
77-46310
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.
$625.00
This product was last offered at the strikethrough price on 06-03-2026
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
