Replace your ECU with a tunable racing ECU from MegaSquirt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace your ECU with a tunable racing ECU from MegaSquirt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Replace your ECU with a tunable racing ECU from MegaSquirt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 # 0-261-200-173
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 1987 models with a automatic transmission and ECU number 0-261-200-524
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 1987 models with a manual transmission and ECU number 0-261-200-173
This product was last offered at the strikethrough price on
05-02-2026
Version 1.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 # 0-261-200-380
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 an
This product was last offered at the strikethrough price on
05-02-2026
This electronic boost control solenoid can be used with the MS3-Pro/MSPNP
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
This product was last offered at the strikethrough price on
05-02-2026
Used with your MegaSquirt ECU!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 1987 models with a automatic transmission and ECU nu
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 # 0-261-200-380
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 1987 models with a manual transmission and ECU number 0-261-200-525
This product was last offered at the strikethrough price on
05-02-2026