CPC + Transmission Tune mapswitching (For example: If you send

(For example: If you send in your ECU via Ground shipping

You will be emailed a download link with detailed instructions after adding this to your cart and checking out

The ECU will be tuned the same day it is received and DME Tuning will then ship back the ECU using whatever method it was shipped in with

Not for N63 motors

Please contact us with your VIN if you are unsure what motor your 2013 550i has

CPC + Transmission Tune mapswitching (For example: If you sendCPC 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.