Plug & Play Engine ECU SIEMENS, SID 801, 5WS40025E-T, SW9646801080, HW9644323980 0 261 204 475 Our technical support team is

Our technical support team is available to assist you before and after your purchase

12 months Warranty

Simply fill out our tech support form for any assistance

This ECU is supplied unlocked (decoded) so you just need to fit it to the car and drive away

Plug & Play Engine ECU SIEMENS, SID 801, 5WS40025E-T, SW9646801080, HW9644323980 0 261 204 475 Our technical support team isThis OEM replacement ECU has been thoroughly tested by our in house technicians to ensure reliability. If you have any questions about its suitability for your needs, feel free to reach out, our team is here to help. At Cartech Electronics, we are committed to offering high quality, used replacement engine ECUs at a fraction of the cost of a new module from the main dealer. Depending on the variant you select, turnaround times may vary, please check