Look for "blower" or "heater blower" on the fuse diagram.

Three are a handful of different layouts so you have to look on yours in the glove box.

Did your light used to go off? Some don't. Wife's old build date 07/2000 the parking light was always lit.

Coincidentally also had the FSU problem on that car the picky symptom was dead battery over a day or two. Blower still worked all speeds.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)