BMW 7Series non runner

March 9, 2018   |   Author: Neil Whiston   |   No comments   |   Categories: Case Studies • Electrical Repairs

This vehicle came to us as a non runner, 3 other technicians had already been out to the vehicle to try and fix the trouble without success.

Reading the vehicle with a diagnostic device showed various communication errors between modules. Knowing BMW cars we knew voltage could be the reason so many modules were having issues. The battery was tested and replaced .

Then with the correct tools we are able to repair the coding errors

With the coding complete the vehicle started and ran perfectly.

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