A TMS Performance Chip for the 1992 E36 325i and 1991-92 E34 525i 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.

Horsepower Gain + 20 @ 6000RPM
Torque Gain + 13 @ 4500RPM
New Rev Limit 7000RPM

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