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E30 air conditioning

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  • 6670charger6
    6670charger6
    6670charger
    wrote on last edited by
    #1

    My E30 needs a charge to the A/C, but still has the original style refrigerant.  I know I'll have to have that evacuated from the system and need a new fitting for the R134.  My question is which fitting I need to get to replace the current one?  How hard are they to change?  Is this something I can do once the old refrigerant is removed?

    Thanks.

    88 325ic, Cirrus Blau; 120,000 miles

    66 Dodge Charger, red/black, mileage unknown

    Appleton, WI

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    0
    • B
      B
      B C
      wrote on last edited by
      #2

      No need to convert. 

      This stuff works great

      I bought a kit on Amazon 3 years ago for around $75 that included 2 cans of refrigerant, a can of oil, and the gauge/filler.  It is still working fantastic.

      http://www.ebay.com/itm/FREEZE-12-R12-Refrigerant-JOHNSENS-6000-Freeze12-freon-AC-system-car-truck-new-/330951644926?pt=Motors_Car_Truck_Parts_Accessories&hash=item4d0e4156fe&vxp=mtr

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      • YoungCRY
        YoungCRY
        YoungCR
        wrote on last edited by
        #3

        I'd go with what Snap recommends. It's very popular with the E28 guys (same A/C system) too. R12 is a better refrigerant than R134a, so it would be better to stick with it or a substitute.

        Chris Young
        BMWCCA #458972
        1986 528e/5  | 1994 530i/5 | 1995 540i/6 | 2013 X5 35d | 1998 C1500 Suburban | 1995 K2500 Suburban

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        • B
          B
          B C
          wrote on last edited by
          #4

          Its certainly the way to go if you want to save big money!!!

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          • KaiserRollsK
            KaiserRollsK
            KaiserRolls
            wrote on last edited by
            #5

            Snap said:

            Its certainly the way to go if you want to save big money!!!

            menardsguy.gifmenardsguy2.gif

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            • need4speed1299N
              need4speed1299N
              need4speed1299
              wrote on last edited by
              #6

              R12 is more dense and can get a colder. Its less likely to leak. I dont see R12 locally, but with a recent law change, you can buy it online in small quantities. Most cars take about 2 lbs. Its good to put oil in there and some dye if its leaking a little. Dont use any type of stop leak.

              sig3zps7bd08024.png

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              • 6670charger6
                6670charger6
                6670charger
                wrote on last edited by
                #7

                That sounds like an awesome suggestion.  My indy told me it would cost about $200 to change the fittngs, evac the R12 and put in new refrigerant.  $75-100 is a much better deal, and sound like a better solution.  Figured you'd all know some good info.

                How many cans of this stuff is equivalent to 2lbs?

                Thanks!!

                88 325ic, Cirrus Blau; 120,000 miles

                66 Dodge Charger, red/black, mileage unknown

                Appleton, WI

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