Thread: Blower Fan DIY
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Old 12-17-2010, 08:00 AM   #118
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Join Date: Jan 2004
Location: Mirabel, Quebec, Canada
Posts: 186
My Ride: 2002 330xi
Originally Posted by FFWD View Post
I was told you can diagnose the FSR by setting the fan speed to max. If the fan comes on, then it's the FSR because it only controls the fan speed, and on max, it's bypassed.
Thanks for the tip, but that trick did not work.
I tried all variations of above before I posted, that is, pressing the winshield defrost button, setting fan speed to full then to full on, switching between manual and auto climate, recirculation on and off, etc.
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