Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
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
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.
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Enable flex-fuel features on your tuned BMW with this plug and play kit! Compatible with MHD, BM3, or ECUTEK tunes and works with any 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 For vehicles with an Automatic Transmission only For models with an Automatic Transmission ONLY. Compatible with MHD, BM3, or ECUTEK Tunes
Brand:
ES#:
5457704
Mfg#:
ECAFB58AT
In Stock
Limited Qty Sale
$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 +60 HP / +60 TQ
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5434543
Mfg#:
NM.64502246
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 06-03-2026
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
