Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Increase power without sacrificing reliability
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Add up to 40hp and 80lbs/ft. torque to your N55 today!
Brand:
ES#:
3149349
Mfg#:
77-46311
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.
$563.99
This product was last offered at the strikethrough price on 01-28-2026
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For 2014 and newer vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. For 2014 and newer vehicles with type B TMAP harness only!
Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
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
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD, BM3, or ECUTEK tunes and works with any High Pressure Fuel Pump.
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with an Automatic Transmission only For models with an Automatic Transmission ONLY. Compatible with MHD, BM3, or ECUTEK Tunes
Brand:
ES#:
5457704
Mfg#:
ECAFB58AT
In Stock
Limited Qty Sale
$490.00
This product was last offered at the strikethrough price on 05-14-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +70 HP / +70 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5434544
Mfg#:
NM.64502255
Ships in 3 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$599.00
This product was last offered at the strikethrough price on 05-21-2026
Increase of +96 Horsepower, and +94 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Increase of +75 Horsepower, and +71 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
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
