With the all-new Kies WiFi Enet Adapter, you can now use your favorite apps, wirelessly, from one convenient dongle!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel-It! CANfuel allows your ECU to control up to 8 fuel injectors sequentially in addition to an ethanol content sensor, low fuel pressure sensor, extra pressure sensors, EGT probes, external fuel pumps, and much more.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For N54 equipped E chassis vehicles only
Plug & play power — Gains are 80whp/100wtq on pump gas and up to 150whp/175tq on higher octane or E85 mixtures!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3149056
Mfg#:
D440-0010
Ships in 4 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$321.99
This product was last offered at the strikethrough price on 07-09-2026
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For G-Chassis Vehicles Only; Not for sale or use in California
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For F-Chassis Vehicles w/ Type-B Harness Only; Not for sale or use in California For vehicles with a Type-B Harness only (See Photos for more details)
Plug & play power — gain up to 100 horsepower on a stock car, 160+ 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.
Brand:
ES#:
3508712
Mfg#:
JB4N54
In Stock
$479.00
This product was last offered at the strikethrough price on 05-19-2026
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For F-Chassis Vehicles w/ Type-A Harness Only; Not for sale or use in California For vehicles with a Type-A Harness only (See Photos for more details)
Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. For models with the later Gen2 B58 (B58TU) engine only
Dinan's newest in-line tuner that not only gives more power but also many additional features accessible via their free BT phone app - Adds up to 60-75 WHP/WTQ on BMW S58 powered applications!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4872006
Mfg#:
D440-0200
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$843.99
This product was last offered at the strikethrough price on 07-09-2026
Quick and simple add-on for increased power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For FWD models with 4 wire TMAP Sensor
Alter parameters and fine-tune � wirelessly!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Plug & play power — gain up to 100 horsepower on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For F-Chassis Vehicles w/ N63TU Engine Only; Not for sale or use in California For vehicles with an N63TU engine only
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
