So on the way home today, sitting in traffic, I get a red battery light. Car ran fine for the next ~20min until I got home.

When I get home I ran the BMW scan program. DME error for 27D [10202] BSD Generator. Ran the dash voltage display, ~12.2 engine off, 13.7 engine on no load, 12.4 with full load. When I let the engine cool off, I can start it and not get the red battery light.

Thinking that the alternator is going bad, and the heat is just making it worse. Your thoughts?

Steve


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