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Old 11-15-2010, 09:42 PM   #12
Ceeker
Parts hoarding partner...
 
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Join Date: Nov 2007
Location: Toronto
Posts: 3,358
in my experience with e34 the heater taps were faulty. I don't recall cars coming in to get the heater core serviced. Cores usually don't go but may find the o-rings do. As mentioned the heater tap or aux waterpump could be leaking or bad and fan is sucking it into the cabin from the engine bay.
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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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