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Old 01-12-2011, 06:21 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
As a cross reference, here's a UK car whose battery kept draining and replacing the FSU solved the problem even though there were no symptoms of erratic blower operation or no-blower operation.

Also, as an xref, here's also a new battery test thread.

From the VERY best of E39 Links:
- DIY how to test a BMW E39 battery & alternator

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