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Blown dash cluster & battery drain

John Richards

By John Richards,
in BMW 8 Series Forum

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John Richards Newbie

John Richards

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840 d 2018

My cluster had blown after and resulting in a battery drain.  Managed to source a second hand one which was fitted and lasted 30 mins.  Once blown battery drained again and an intermittent 3 second beep in the car when driving.  Removed the fuse for the cluster to stop the beeping and the battery stopped draining .  Concluding the blown cluster is causing the battery drain but cannot find the cause of cluster blowing.

Greydog Grand Master

Greydog

Posted
Posted

Hi John

Welcome to the Forum

What diagnotics are you using ?

Check the main connectors to the cluster for a short to earth as you have 2 blown clusters worth sending one to someone like ECU Testing to see if it can be repaired ?

The cluster recieves information from several modules so a full Diagnostic check may well show the culprit up

Dave

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