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Old 08-13-2011, 12:05 PM   #4
Parts hoarding partner...
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Join Date: Nov 2007
Location: Toronto
Posts: 3,409
Originally Posted by BmW1819 View Post
in other words u need a AUX fan dissconnect when u turn off the car and when u drive it plug it back in
the aux fan is working so it shouldn't be that, no? there has to be a switch to activate the fan when the motor gets above normal opp temperature. it should also cycle off when the temp drops. if it is staying on there is interruption to cut power to the fan. So, if by chance the thermoswitch is faulty it will make the fan think the motor is above normal temp and stay on. But it could be other things but I don't know how the circuitry is designed for the newer models

I think I've had 14 bmw's in 4 years.
2 IX's -sold and parts
2 325i 4 dr - sold
4 318is all white - sold and parts
1 87 325is red - parts
1 89 325i vert grey - parts
1 90 325is white - keepin
1 87 325i vert -red - keepin
latest addition 1 88-325is red - parts
latest addition 1 89-325i vert - white -fixin/sold
latest addition 1 92-318i vert - blue - parts
latest addition 1 87 325is blk - parts.

latest addition as of 2013-Gold 87-325is auto! it's a keeper!
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