CPC + Transmission Tune mapswitching DME Tunings ECU software is

DME Tunings ECU software is guaranteed to give you MORE of a good thing

The DME transmission tune increases shift speed

Not for N63 motors

Downpipes for BMW M3/M4

DME CPC upgrade is a replacement of the stock CPC module

CPC + Transmission Tune mapswitching DME Tunings ECU software isCPC CPC (computer powertrain control) is not the same as the ECU (engine control unit). DME CPC upgrade is a replacement of the stock CPC module. DME CPC benefits: exhaust valves open at all times, disable speed limiter, increased torque limiter, cooling fan and intercooler pump benefits. Transmission Tune The DME transmission tune increases shift speed, increases line pressure and increases torque capacity.