Plug & play power — gain up to 40 horsepower in under one minute! 50 state legal performance!
CARB Approved - Legal in All 50 States! CARB certified for sale in all 50 states
Wake up your BMW with dyno-proven gains by Jim Conforti - +39HP +38LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty.
Wake up your BMW with dyno-proven gains by Jim Conforti - +43HP +21LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with an automatic transmissionn
Wake up your BMW with dyno-proven gains by Jim Conforti - +11HP +19LB/FT
For vehicles with manual transmission and a production date from 01/1995 with Bosch DME #0-261-203-282 -- Satisfaction guaranteed! Includes 30 day mone
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For 1987 models with a automatic transmission and ECU n
Wake up your BMW with dyno-proven gains by Jim Conforti - +11HP +19LB/FT
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
Wake up your BMW with dyno-proven gains by Jim Conforti - +29HP +35LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For model year 1991 and later
Wake up your BMW with dyno-proven gains by Jim Conforti - +29HP +35LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For 1988-1990 models with Bosch DME #0-261-200-156
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
