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
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 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.
$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
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 5 Business Days
$795.00
This product was last offered at the strikethrough price on 01-05-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +95 HP / +70 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! For CS and CSL models only - not for standard M3 / M4 models
Brand:
ES#:
5434562
Mfg#:
NM.64508358
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 06-25-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +130 HP / +100 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5434560
Mfg#:
NM.64508058
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 06-25-2026
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 S58 Engines - Automatic Transmission (Any HPFP)
Brand:
ES#:
5470774
Mfg#:
ECAGB58S58ATSD3
Ships in 2 Business Days
Limited Qty Sale
$490.00
This product was last offered at the strikethrough price on 06-24-2026
Can leave this dongle plugged in without draining battery. Enables you to wirelessly load MHD flashes and several other functions to your BMW when paired with an Android or iOS device! Compatible with E, F, & G Chassis BMWs!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Newest MHD Flash Adapter - works with E F & G Chassis BMWs!
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with an Automatic Transmission only S58 Engines - Automatic Transmission (Any HPFP)
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
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.
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
Unlocks your factory DME to allow tuning
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date before 06/2020
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.
