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.
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! Gen 1 B58 compatible with MHD or ECUTEK tunes, Gen 2 B58 compatible - Automatic Transmission (Any HPFP)
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! 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!
SAVE 30%
$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!
Brand:
ES#:
5457709
Mfg#:
ECAGB58S58AT
In Stock
ON SALE!
SAVE 30%
$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 +80 HP / +75 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For early models with the Gen1 B58 engine (B58A)
Next-Gen Power Delivery with OEM-Level Integration - up to +60 HP / +50 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For later models with the Gen2 B58 engine (B58D / B58TU) and WITHOUT Mild Hybrid package
Next-Gen Power Delivery with OEM-Level Integration - up to +60 HP / +50 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For later models with the Gen2 B58 engine (B58D / B58TU) and WITH Mild Hybrid package
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!
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!
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
