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! S58 Engines - 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! S58 Engines - 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
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date up to 12/1994 with a lightweight flywheel. Satisfaction guaranteed! Includes 30 day money back guarantee and limited li
Brand:
ES#:
3137168
Mfg#:
5060-3003
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date up to 12/1994 with 21.5lb injectors. Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime
Brand:
ES#:
3137178
Mfg#:
5060-3008
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date up to 12/1994 and a Euro HFM. Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warran
Brand:
ES#:
3137163
Mfg#:
5060-3001
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date from 01/1995, with Euro HFM, lightweight flywheel, and 21.5lb injectors. Satisfaction guaranteed! Includes 30 day money
Brand:
ES#:
3137098
Mfg#:
4131-3011
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
Max gains of up to +69 HP and +81 lb-ft TRQ (Crank); +62 HP and +73 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! Competition Package models Competition Package models ONLY
Brand:
ES#:
4615791
Mfg#:
D440-0137
Ships in 6 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 07-20-2026
Next-Gen Power Delivery with OEM-Level Integration - up to +95 HP / +70 TQ
2X Entries For Our 25th Anniversary Sweepstakes! For CS and CSL models only - not for standard M3 / M4 models
Increase of +25 Horsepower, and +25 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
