Member
Couple of weeks ago when temperatures increased, I started to hear this high pitch noise.
It seems to come from around glove box area.
Noise is always the same, at any RPM and with AC on/off.
I searched on Google but I could not find a video with that noise so I recorded my own
and I would just like if somebody can verify that this is ebox fan problem.
https://www.youtube.com/watch?v=YC3IN8NMaYI
Member
Open the box and examine.
Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
Artifically Aspirated
Moderator
The ebox fan has a temp sensor that turns the fan on/off at IIRC 35ºC.
The sensor is in the top front inside corner. It’s brass and plastic.
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