Hi,

Just wanted to know if I'm the only one. As usual my dealership has not found anything to be wrong. When the ventilator is on there is this really annoying pulsating sound, when I turn the system off the sound is gone. I have the automated climate control.


thx

 

This happens to mine on occasion, just not frequent enough for me to complain to the dealer...If it happens all the time, I would insist the dealer do something about it.

 

Is it the same as this:-

http://forums.e60.net/index.php?showtopic=...&hl=bmwjimt

 

I also complained to my dealer about a low pitch, oscillating, sound when I turn the fan on for the ventilation system. I only hear it on the lower fan settings, but think it may just be drowned out by the air coming through the vents at higher settings.
I described it as almost like a donkey's "HEE HAW", low, and faint, but very annoying. Is that what you are talking about?
My dealer said that it was a known issue and there was nothing that could be done about it. Did you have any different response from your dealer?
Thx