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by doubledawg33
Mon Jun 01, 2020 8:38 pm
Forum: Problems / Troubleshooting
Topic: Replaced my 12v battery, now showing "drive-train" fault detected
Replies: 6
Views: 1008

Re: Replaced my 12v battery, now showing "drive-train" fault detected

All seems to be OK for now. Here's what I did: - Deactivated the High Voltage. - Removed the new battery and put it on the trickle charger overnight. - Reinstalled the new battery. - Reactivated the High Voltage. - Jumped into the cockpit, plugged in the ODB. - Turned on Accessories. Accessories onl...
by doubledawg33
Sun May 31, 2020 12:37 pm
Forum: Problems / Troubleshooting
Topic: Replaced my 12v battery, now showing "drive-train" fault detected
Replies: 6
Views: 1008

Replaced my 12v battery, now showing "drive-train" fault detected

Woke up yesterday and the 12V accessories battery was dead dead. Nothing worked. So I disabled the High Voltage system and removed the old 12V battery. Measured below 10V. Figured it's an old battery and needed replacing, so took a trip to my local BMW dealer and picked up a new OEM replacement batt...

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