1992 BMW 325 ??? general question(s)

1992 BMW 325
155,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JOJHNS8
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1. Where is the A/C low side port? I have one port on the right side firewall and near the right front headlight?

2. I have three wires inside of the drivers door with plugs. What do they attach too? I'll tell you that my BMW does not have a cold weather package. They don't attach to the power window motor, power mirrors, or power locks. The only button located on the drivers door is for adjusting the mirrors. The wires are in the same wire harness as the power windows and come from under the dash. What are they for?
Jun 15, 2010 at 2:31 PM
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DOCHAGERTY
  • ✓ASE Certified Mechanic
  • 9,606 POSTS
  • ASE Certified Mechanic
Is R-12 in it? The plugs are for equipment options not installed on your car.
Jun 15, 2010 at 10:52 PM
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JOJHNS8
  • MEMBER
  • 6 POSTS
Yes, it is an R12 system.
Jun 17, 2010 at 8:48 PM
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DOCHAGERTY
  • ✓ASE Certified Mechanic
  • 9,606 POSTS
  • ASE Certified Mechanic
Low side is at the compressor, high side is at the firewall.
Jun 19, 2010 at 10:26 AM
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