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Please help identify this hole please
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eins
Novice
Sep 17, 2012, 10:04 PM
Post #1 of 8
(2049 views)
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Please help identify this hole please
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Hello e39 enthusiasts,
I bought a brand new compressor for my bmw 530d however there is a hole on it that I don´t know what this hole is for. Take a look please
Here is another angle: 
What is this hole for?
What is supposed to connect to that hole if anything?, or can I just use the compressor with the hole open like that?
I bought the ac compressor and they sold it to me like that with nothing in the hole. The old ac compressor didn´t have that hole.Am I missing something that should go in that hole?
I would appreciate your help please. Thanks
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 18, 2012, 3:27 AM
Post #2 of 8
(1995 views)
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Re: Please help identify this hole please
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That would be for either a switch or a blow off valve. I would just swap the manifold with yours and reuse what you have. Be sure to replace the gasket when you remove the manifold.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 18, 2012, 3:36 AM
Post #3 of 8
(1991 views)
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Re: Please help identify this hole please
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Look at your old compressor. That hole appears to hold a sensor for high pressure and or high temp and hard to see but is sealing refrigerant and anything that does should have come with a plug or sealed off till you get it to install.
Compressors don't come with every device/switch that may or may not be used on that specific vehicle. If that's just a blind hole would be for some support bracket most likely.
If this isn't a drop in replacement for the one you are replacing it is going to be troubles. If rebuilt (appears new) consider going new now instead,
T
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Discretesignals
Ultimate Carjunky
/ Moderator
Sep 18, 2012, 4:49 AM
Post #4 of 8
(1983 views)
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Re: Please help identify this hole please
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What is the year of your BMW?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Sep 18, 2012, 4:51 AM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 18, 2012, 4:57 AM
Post #5 of 8
(1975 views)
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Re: Please help identify this hole please
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This really isn't a big deal. If the new manifold doesn't match the old one, then just use the old one. It takes less than a minute to swap it.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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eins
Novice
Sep 18, 2012, 6:57 AM
Post #6 of 8
(1960 views)
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Re: Please help identify this hole please
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Thanks to you all. Where can I get a pressure relief valve for this new ac compressor?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 19, 2012, 3:39 AM
Post #7 of 8
(1946 views)
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Re: Please help identify this hole please
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Take it off the old one and get a new gasket/O-ring for it. If some "blowout" ones do blow out they don't all reset and seal. Ask where you got the compressor if you need a new one or perhaps local to you for A/C parts,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 19, 2012, 4:03 AM
Post #8 of 8
(1941 views)
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Re: Please help identify this hole please
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If the old compressor didn't have one in that spot, it means it has one elsewhere and you really don't need or want 2 of them so just using the old manifold is the way to go.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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