Cluster comes on then off with no signal idicator or back light. Signals do work from outside . Just not cluster.
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Google “BMW E46 hidden OBC functions.” There’s a test that exercises the cluster. This will tell you whether the issue is in the cluster or not.
Cluster test revealed everything is operational
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I’m, that’s good news. How old is the battery? Test #7 shows the voltages as seen by the engine computer (DME). Check and report back the voltages when the:
- ignition in the run position with the engine off
- engine idling
- engine revving at 2000rpm.
Why? Whacky voltages cause whacky issues.
Check fuses
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