Thread: Code 27B8
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      04-25-2026, 05:59 PM   #15
yardbro
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Drives: E92 M3, E39 528i
Join Date: Aug 2022
Location: New York

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2008 BMW M3 E92  [5.00]
Quote:
Originally Posted by Kross View Post
Thanks for the feedback. I was measuring between the two primary (red and black/brown) wires, not the signal. I found the issue - the 150A relay, found under the carpet in front of the passenger seat, had failed due to moisture. Replaced it and the fan's working again.
Excellent work. Thank you for the update.
Appreciate 0