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Thread: radiator fan
04-29-2010 10:18 PM #1
- Scituate, MA, United StatesMember No: 180864
- Join Date
- Apr 2010
- Rep Power
We have an '08 328 xi with 21,000 miles, and about a month ago, in temperatures of about 50-65 degrees F., the radiator fan started coming on, without air-conditioning on. I could see it if it were really hot out and the a/c was on, but neither was the case. Brought it to dealer, and they said all was normal. Just about every car I've owned in my life has had a thermostatically operated fan for the cooling system, and I have never had one come on at such light duty. Mind you, I live in the Boston area, and it's really pretty flat, so it's not tough grades causing this. Of course the car DOES NOT have a temperature gauge so I can not tell you that spec..... really dumb BMW on that one!
I think it's a partially open thermostat, but how can I be sure? I do have one of those laser thermometers, but don't know what I shoulfd look for 220 degrees?
The coolant is quite full, and I did top it up about 6 mo. ago with BMW anti-freeze coolant. This did start in city driving conditions, about 90 minutes of steady stop and go city driving in a large metro area. But this was late winter/early spring outside temps.
Anybody else have this issue? What would you do? Get a factory rep involved?
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