Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with manual transmission and Bosch DME #0-
Brand:
ES#:
3098224
Mfg#:
173-500
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with manual transmission & Bosch DME # 0-261-200-153
Brand:
ES#:
3098050
Mfg#:
153-320
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 1988-1992 models with an automatic transmission and ECU # 0-261-200-525
Brand:
ES#:
3137206
Mfg#:
525-310
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +24HP +19LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty.
Brand:
ES#:
3097991
Mfg#:
0710-3000
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with manual transmission & Bosch DME #0-26
Brand:
ES#:
3098223
Mfg#:
173-320
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +43HP +21LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For 1989 model vehicles with manual transmission only
Brand:
ES#:
3098097
Mfg#:
179-600
In Stock
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with manual transmission & Bosch DME #0-26
Brand:
ES#:
3137207
Mfg#:
525-320
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For 1988-1992 models with an automatic transmission and ECU # 0-261-200-173
Brand:
ES#:
3098090
Mfg#:
173-310
In Stock
ON SALE!
SAVE 87%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
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, 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
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
Limited Qty Sale
$490.00
This product was last offered at the strikethrough price on 05-14-2026
Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
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#:
5457075
Mfg#:
D440-0012
In Stock
Limited Qty Sale
$275.99
This product was last offered at the strikethrough price on 05-02-2026
Plug & play power — gain up to 100 horsepower on a stock car!
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#:
5373845
Mfg#:
JB4-N63-F-B
In Stock
ON SALE!
SAVE 12%
$599.00
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
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.