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Old 01-27-2013, 11:48 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
 
Join Date: Mar 2008
Posts: 19,181
Mein Auto: 02 BMW 525i M54 automatic
I had whacky things happen to my cluster when my battery was just at the mid-point from being bad and good ...

- One user's experience debugging a half-dead instrument cluster (1) which, after testing the fuses (1) battery & alternator (1) thankfully turned into an alternative battery search (1) and a simple battery replacement DIY (1)

At the very least, the OP should test the charging system with redundant tests (to make sure that what he thinks is there is really there):
- DIY how to test a BMW battery & alternator
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