CPC + Transmission Tune mapswitching Downpipes for BMW M3/M4

Downpipes for BMW M3/M4

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

We send you an OBD cable and remotely tune the car using remote desktop software called TeamViewer

of torque through the mid-range

DME CPC upgrade is a replacement of the stock CPC module

CPC + Transmission Tune mapswitching Downpipes for BMW M3/M4CPC 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.