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
Eliminate the delay in throttle response times with a simple XLR addition to your BMW! Allows for Bluetooth connectivy for easy App based control.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4429716
Mfg#:
999981
Ships on Aug 3, 2026
ON SALE!
SAVE 10%
$299.00
This product was last offered at the strikethrough price on 07-01-2026
Max gains of up to +47 HP and +59 lb-ft TRQ (Crank); +42 HP and +54 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! Fits 2021-2022 model years only!
Brand:
ES#:
4499649
Mfg#:
D440-0159
Ships in 9 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 07-04-2026
Get up to +75 hp and +73 lb-ft through a safe and easy to use tuning module from Racechip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4883791
Mfg#:
924976
Ships in 3 Business Days
ON SALE!
SAVE 10%
$627.00
This product was last offered at the strikethrough price on 07-01-2026
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
Brand:
ES#:
4884002
Mfg#:
999982BMW
Special Order: No Guaranteed ETA
ON SALE!
SAVE 10%
$259.00
This product was last offered at the strikethrough price on 07-01-2026
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 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#:
5470774
Mfg#:
ECAGB58S58ATSD3
In Stock
Limited Qty Sale
$490.00
This product was last offered at the strikethrough price on 06-24-2026
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 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
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
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
Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.
Lifetime Replacement
