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Old 11-15-2010, 10:42 PM   #12
Parts hoarding partner...
Ceeker's Avatar
Join Date: Nov 2007
Location: Toronto
Posts: 3,428
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.

I think I've had 18 bmw's in 6 years.

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!
KEEPER 88 5sp Vert 2016
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