Wake up your BMW with dyno-proven gains by Jim Conforti - +22HP +20LB/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 a production date from 1/95
Brand:
ES#:
3137004
Mfg#:
4131-0001
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 from 01/1995, with Euro HFM, lightweight flywheel, and 24lb injectors. Satisfaction guaranteed! Includes 30 day money b
Brand:
ES#:
3136072
Mfg#:
4131-3005
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 Euro HFM, lightweight flywheel, and 21.5lb injectors. Satisfaction guaranteed! Includes 30 day money
Brand:
ES#:
3137186
Mfg#:
5060-3011
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 - +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 -- Lightweight flywheel
Brand:
ES#:
3136962
Mfg#:
4130-0001
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 Euro HFM, lightweight flywheel, and 24lb injectors. Satisfaction guaranteed! Includes 30 day money b
Brand:
ES#:
3136073
Mfg#:
5060-3005
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. Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty.
Brand:
ES#:
3098302
Mfg#:
5060-3000
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 - +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 -- M3 muffler
Brand:
ES#:
3136994
Mfg#:
4130-0004
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 - +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. -- For vehicles with Turner Motorsport 2.5L stroker kit
Brand:
ES#:
3098023
Mfg#:
0710-3100
In Stock
ON SALE!
SAVE 20%
$299.00
This product was last offered at the strikethrough price on 05-02-2026
Get up to +51 hp and +70 lb-ft through a safe and easy to use tuning module from RaceChip *Open Box - New Product*
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock the hidden potential from your BMW with a safe and easy to use module from RaceChip. Options for both harness types A and B
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms BMW used two different engine harnesses, please confirm if you have type A or B before ordering
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
Wake up your BMW with dyno-proven gains by Jim Conforti - +23HP +23LB/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 a manual transmission and a productio
Brand:
ES#:
3136873
Mfg#:
4040-3100
In Stock
ON SALE!
SAVE 20%
$249.99
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 +33LB/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 an automatic transmission and a production date up to 12/1994 For automatic vehicles with a production date up to 12/1994
Brand:
ES#:
3136939
Mfg#:
4040-4010
In Stock
ON SALE!
SAVE 20%
$249.99
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 +33LB/FT
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a manual transmission and a production date thru 12/94, 0-261-200-404, 4040-4000, with emissions air pump, 1744050 ECU for vehicles thru 12/94, 0-261-200-404, 4040-4000, with emissions air pump, 1744050 ECU
Brand:
ES#:
3129910
Mfg#:
4040-4000
In Stock
ON SALE!
SAVE 20%
$249.99
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +23HP +23LB/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 an automatic transmission and a produ
Brand:
ES#:
3136148
Mfg#:
4040-3010
In Stock
ON SALE!
SAVE 20%
$249.99
This product was last offered at the strikethrough price on 05-02-2026
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
