Air Con Faulty - BMW Forum -
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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#1 (permalink) Old 07-23-2008, 08:06 AM
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Air Con Faulty

Hi, I have just bought a BMW 318Si 1998 Coupe and the AC works only sometimes. It will sometimes atart then blow for maybe 3-5 mins then cut out and will not come back on for a while then sometimes just starts blowing again. Has anybody else had same problem and if so what was wrong please. Thanks in advance
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#2 (permalink) Old 07-23-2008, 10:24 AM
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are you sure the cabin blower is not at fault?

If you suspect you Air conditioning unit, possible cause/s:

1) lack of freon in system,
2) faulty receiver/drier,
3) moisture/air in your A/C system.

*dunno what your level of DIY savvy is, but if you are doing this on your own, someone here will gladly walk you through CORRECT diagnostics.

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#3 (permalink) Old 07-25-2008, 07:55 PM
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I think you have a common control would go dim or off and then would come back on again. There's a problem with a little transistor in the system. You can send it to some guys in Idaho (I think) on ebay. I got mine fixed in a week for $45.
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