CHIP M60B40 + 25 HP / + 35 TRQ 7000rpm

Chip for the E32 E34 E38 540i 740i  is an absolute MUST-HAVE performance upgrade. This chip was developed on the dyno to increase horsepower and torque from low RPM all the way up to the new 7000 RPM rev limit. Engine management expert Jim Conforti tuned the fuel and spark mapping to maximize output when used with 91+ octane fuel. More power, a smoother engine, and better response are the results. Bang for the buck, this is hands-down the best upgrade to do. The rev limiter is raised to 7000 RPM and the top speed limiter has been deleted. 

BMW  Chip 


E32 740i 

E34 540i 

E38 740i


1991 - 1997

chip for ECU/DME 0261203484 / 0 261 203 484 Only


Application : E32 / E34 / E38 540i 740i 
Years: 1991 - 1997
BOSCH ECU it fits: 0261203484
Horse Power Gains (peak): + 25 HP / 35TRQ 
Rev Limit: 7000rpm

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