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  #1  
Old 08-17-2004, 06:58 PM
NavyBMW NavyBMW is offline
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Location: Japan
 
Join Date: Aug 2004
Posts: 4
Mein Auto: 2002 525i Sport Wagon
air conditioner fan air flow

I'm sad to say that I have to sell my beautiful 2002 BMW 525i sport wagon.
I bought it in Italy (US Specs). My wife and kids safely zipped around the Naples autostrade (the tangenziale) for a year and put about 23,000 miles on her.

I'm in the military and they sent me to Japan and I had to ship the car to the US and put it in storage. Now I am selling it. Actually my dad is selling it in FL.

Anyway, here is a question of the prosepctive new owners.
They say that they test drove the car and the AC was on and as they accelerated the fan air flow changed strength, increase speed gave more air flow and decrease of speed gave less. And they say the fan stopped a few times. They want me to check it out and fix it and the diagnostic center they took the car to thinks it might be a recall item.

Now, I recall it doing this and thought that it was SUPPOSED to do this.
It has an automatic thermostat and just like your house, it turns off when it is at the correct temp. And fan strength goes up and down with engine RPM.

Am I right or wrong?

The owners manual is in FL and my Dad is 78.
I'm helpless here in Japan. I e-mailed BMW of NA but no response yet.
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  #2  
Old 08-17-2004, 07:45 PM
GJR's Avatar
GJR GJR is offline
Officially Welcomed to the 'Fest
Location: PA
 
Join Date: Jan 2003
Posts: 529
Mein Auto: 2003 530i
You sound like you're correct in assuming it's working the way it was designed to work...but if it's acting up more than normal, it might be what they call a "Final Stage Resistor."

I don't know if this will help, but you can find the owner's manual and more info on that resistor in the following link...go to "tips and tricks", then to "frequently asked questions." You'll see the manuals in that list. Good luck, and thanks for your service in the armed forces!

BMW Tips Page
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  #3  
Old 08-17-2004, 08:20 PM
NavyBMW NavyBMW is offline
Registered User
Location: Japan
 
Join Date: Aug 2004
Posts: 4
Mein Auto: 2002 525i Sport Wagon
Thanks. I went in and looked up AC but it doesn't specifically state that the air flow changes with RPM. But I still think I am right. I even remember way back in the early 70's, an older cousin got a brand new Mercdees and it had the same fan that changed speed with increasing acceleration.

Now I just have to properly covince the propsepctive new ownwers.

So, your car does this also?
 

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