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Old 08-10-2010, 08:20 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
Originally Posted by bluebee View Post
Long term progress report ... It has been two years since the FSU was replaced and the battery hasn't died since!
In the past two years, we've learned to stay away from the GKR FSUs (which my original FSU was) in favor of the Sitronic/Bosch for the E39.

If you're interested in the details, xref is here.
FSU (aks FSR) fan blower speed resistor autopsy and wiring diagrams (1) (2) (3) (4) ... (1) (2) (3) (4)

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