BMW 3-Series (E90 E92) Forum - View Single Post - Failed to write to ECU

bradsm87 · 05-26-2017, 09:49 PM

- Make sure you turn ignition on after the driver's door is closed and it stays closed the whole time.
- Make sure you have a decent battery charger plugged in the whole time.
- Close all other apps on the device and put it in to aeroplane mode.

05-26-2017, 09:49 PM	#13
bradsm87 Lieutenant Colonel 595 Rep 1,693 Posts Drives: F25 LCI xDrive30d Join Date: Jun 2013 Location: Australia iTrader: (0)	- Make sure you turn ignition on after the driver's door is closed and it stays closed the whole time. - Make sure you have a decent battery charger plugged in the whole time. - Close all other apps on the device and put it in to aeroplane mode.
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