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Old 11-04-2012, 07:34 AM   #4
Ceeker
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Join Date: Nov 2007
Location: Toronto
Posts: 3,333
For the cooling system: you have two plugs which are connected to the injector loom. One brown and one blue. the brown I believe is for the temperature gauge. they are different so you can't reverse those two. the other cooling wire goes into the side of the radiator. This one tells the aux fan when to come on when using the a/c. should be on the left side of the rad. the aux fan plug is a heavier 3 prong plug which runs behind the left side headlight to plug into the receiving end of the fan.

a/c should have two plugs. A green one that fits into the receiver dryer and the other for the a/c compressor. Again these are not all the same. Each is different. You just have to go through them one by one.

hope this helps.
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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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