Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
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
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
Quick and reliable power from a name you know and trust!
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#:
3184688
Mfg#:
D440-0047
Back Ordered
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 06-24-2026
Features CAN-Bus connectivity for more advanced tuning — gain up to 80whp on a stock Supra!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU 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 Gen 1 B58 compatible with MHD or ECUTEK tunes, Gen 2 B58 compatible - Automatic Transmission (Any HPFP)
Brand:
ES#:
5470716
Mfg#:
ECAGB58S58ATSD
In Stock
ON SALE!
$490.00
This product was last offered at the strikethrough price on 06-22-2026
Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD or ECUTEK tunes and works with the stock or TU 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
Brand:
ES#:
5457709
Mfg#:
ECAGB58S58AT
In Stock
ON SALE!
$490.00
This product was last offered at the strikethrough price on 05-14-2026
Max gains of up to +62 HP and +71 lb-ft TRQ (Crank); +55 HP and +63 lb-ft TRQ (Wheel).
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! For 2020 Supra models only! Not compatible with 2021+ models.
Brand:
ES#:
4500215
Mfg#:
D440-0166
Ships in 5 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.
$787.99
This product was last offered at the strikethrough price on 06-24-2026
Visconti has created a true plug and play harness kit for Gen 2 B58 and S58 cars!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4810321
Mfg#:
200.1103
Ships in 4 Business Days
$795.00
This product was last offered at the strikethrough price on 01-05-2026
Increase of +126 Horsepower, and +127 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +101 Horsepower, and +102 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
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
