BMW528e wrote:I noticed that with the high-res firmware loaded, in Megatune under the realtime display the battery voltage readout is cycling from min to max and back again multiple times per second.
BMW528e wrote:Doesn`t explain why I couldn`t flash it when it was in the car, which was the original problem.
You were getting the low voltage warning when you tried to flash the ECU in the car? What was the battery voltage?
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