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View Full Version : Anyone tried this?


2slow3
07-02-2003, 12:33 AM
It's a tech tip from the Bav Auto site ...

"Lowering Temperature Setting For AC Fan.
Most BMWs have two switches in the radiator that control the auxiliary fan in front of the AC condenser. These are usually set to 91 and 99 Celsius. Replacing the 91 with an 82 switch and swapping the 99 with your 91 switch will turn the fan on at a lower temperature setting helping the engine to run cooler. Another way to help when running a little warm is switching to a cooler thermostat. This can help older cars, but newer cars operate within a narrower temperature range. If their thermostat is too cool, the engine will stay in warm-up mode, effecting performance and emissions."

I'm not looking for power here, just having the bimmer run a little cooler would be nice. I've run cooler t-stats in other cars to good results, but am assuming optimum range is a bit cooler on the BMWs. Thoughts?

Peter1998
07-04-2003, 04:18 AM
for fan delete mod.. u have to do this part..

2slow3
07-04-2003, 02:50 PM
not sure i follow ... i don't want to delete the fan, just the temp switches to try and lower the temp a bit ...