Premium upgrade BMW X3 (3.0d) 204 PS.
Firstly, complete diagnostic tests are done and current power of the engine measured on our dyno run 4x4. If everything is ok, we download the original ECU software (including an upgrade to the last version) and upgrade of the ECU software maps can get started. After this, the real power of your car, including final diagnostic, is measured and verified. Thanks to an elaborate ECU software tuning, the final power 271PS and 549Nm was reached.
By upgrading you gain:
This upgrade may be ordered here