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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 06-10-2005, 09:35 PM
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As we have already established I am not to familiar with "Ze German" cars.

I replaced the thermostat, o-ring, and gasket today.

It's still overheating. I ran some dye through the system and have a general idea where the other leak is coming from. The furthest I could trace it without pulling the car apart was to the AC Compresor. Maybe it is leaking from there.

Has anyone else experienced this problem? What is the proper course of action if it is the compressor (seals, full replacement)?

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#2 (permalink) Old 06-10-2005, 10:00 PM
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You can replace the seals... just like anything else... it bolts up with a gasket type fitment... you can get this from the dealer... or an online parts dept. and replace as needed.

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1997 E36 M3 1990 E30 325i
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#3 (permalink) Old 06-10-2005, 10:10 PM
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Can it be agreed upon that the AC is the only thing mounted in that area on an M42 that would leak coolant? Or is there something I'm not seeing?

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#4 (permalink) Old 06-11-2005, 09:08 AM
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I would honestly have to do some research to where the coolant travels around the A/C unit... I'm not sure it exactly goes around there or not...

How much fluid are you losing?... Big, small... puddle... ?

Get her hot... and look under the car while she is running... you might have to remove the under paneling.. in the front... but its worth a look... and see where it is coming from... get a mirror... search around.. thats the best way I've come to find leaks...

Good Luck,

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#5 (permalink) Old 06-11-2005, 10:49 AM
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Quote:
Originally posted by dvmotorsports@Jun 10 2005, 09:10 PM
Can it be agreed upon that the AC is the only thing mounted in that area on an M42 that would leak coolant? Or is there something I'm not seeing?
[snapback]352549[/snapback]
The AC system should not be responsible for a coolant leak. It contains freon (or some variant thereof) and not antifreeze. I'm not positive about your particular make of BMW, but is highly unusual for any AC mounting bolts etc to penetrate the block into the coolant system.
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#6 (permalink) Old 06-11-2005, 06:50 PM
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Quote:
Originally posted by Gator+Jun 11 2005, 08:49 AM--><div class='quotetop'>QUOTE(Gator @ Jun 11 2005, 08:49 AM)</div><div class='quotemain'><!--QuoteBegin-dvmotorsports@Jun 10 2005, 09:10 PM
Can it be agreed upon that the AC is the only thing mounted in that area on an M42 that would leak coolant? Or is there something I'm not seeing?
[snapback]352549[/snapback]
The AC system should not be responsible for a coolant leak. It contains freon (or some variant thereof) and not antifreeze. I'm not positive about your particular make of BMW, but is highly unusual for any AC mounting bolts etc to penetrate the block into the coolant system.
[snapback]352654[/snapback]
[/b][/quote]

That is what I was thinking. But I just can't figure out where it is coming from. I guess I am going to have to do the dye test.

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