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 automatic transmission and Bosch DME
Brand:
ES#:
3098225
Mfg#:
173-510
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 and Bosch DME #0-
Brand:
ES#:
3137200
Mfg#:
524-500
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 - +11HP +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 -- For vehicles with manual transmission and a production d For Vehicles made up to 12/94 w/ Manual
Brand:
ES#:
3137211
Mfg#:
990-300
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 vehicles with a manual transmission & Bosch DME # 0-261-200-524
Brand:
ES#:
3137199
Mfg#:
524-320
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 - +24HP +29LB/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 1988 model year vehicles with manual transmission o
Brand:
ES#:
3098041
Mfg#:
150-000
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 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 Euro S50B32 with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For cars with Euro S50B32 engine only. Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty.
Brand:
ES#:
3098031
Mfg#:
075-300
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 a manual transmission and ECU # 0-261-200-153
Brand:
ES#:
3098048
Mfg#:
153-300
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 - +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 For vehicles with a manual transmission & Bosch DME #0-261-200-173
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 - +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 - +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
Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/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 production date up to 08/1992 and ECU
Brand:
ES#:
3136944
Mfg#:
405-000
In Stock
ON SALE!
SAVE 74%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
All the performance ECU/TCU upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
