BMW 4 Series chip tuning in Riga

Autochip helps diagnose engine management and electronic faults on BMW 4 Series. We diagnose engine and exhaust faults, including DPF and smoke issues on diesel variants.

Individual ECU programming solutions are available after assessment.

Engines, ECUs and equipment

The catalogue includes variants with B47D20, B47D20A, S55B30A engines.

Selected versions list Bosch EDC17C50, Bosch MG1CS003, Bosch MD1 ECUs.

Programming options depend on the specific ECU.

We use professional ECU reading and programming tools, including KESS3 and KESSv2.

Choose your vehicle or contact Autochip for an individual assessment.

Choose your vehicle
Select the maker, then the model, year and engine — we will choose the firmware for your configuration.
Choose your model