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Old 06-17-2011, 07:31 AM   #15
Registered User
Join Date: Jun 2009
Location: Boston
Posts: 720
My Ride: ZHP / E30 M3
At 45 MPH you fan has NO effect on the car. The airflow at that speed is far greater than anything a fan could provide. This sounds to me like either a bad water pump or a stuck thermostat.
'04 330i ZHP - OEM Clears - ///M Strut bar - CoolantSnitch
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