Non running BMW M4 arrived with us last week, from what we can tell the customer tried flashing a Bootmod3 map on with a flat battery which bricked the ecu.
Charged the battery and reflashed Bootmod3 and we had it fixed and ready to drive away.
![](https://www.garagewhifbitz.co.uk/wp-content/uploads/2023/01/103A67BA-1C39-49E6-99DD-2BE909ABF31A-1024x768.jpeg)
We can tune, service and maintain your BMW M car, please get in touch with your requirements.