R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 2003 R53 AC Compressor parts mismatch

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Old Sep 12, 2015 | 01:42 PM
  #1  
muddflapp's Avatar
muddflapp
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2003 R53 AC Compressor parts mismatch

I think that I have an AC compressor on my 2003 MINI Cooper S that came from some other car line. It has no stickers, no brand name, no part number. Can anyone identify what car line they've seen it on and maybe I can get an AC coil for that application.

My AC coil quit while merging onto a highway from a side street. The coil itself has infinite ohm readings. The coil feed wire to the relay is 0.2 ohms. So I bought a new coil from Ebay and it arrived in 3 days.

I took the old coil off and they don't match.
The bump on the back of the coils are in different locations.
The older coil has a smaller diameter. 1/16" difference in radius.
The older coil is 1/16" thicker.

If I try to make this coil work, I suspect that it will spin and rattle.
Here are some pictures. I don't know how to make pictures small or inline.
I suspect I'll be buying a different compressor.
The old coil is the one with the bullet connector. Checked continuity past that point too. Oh well.
 
Attached Thumbnails 2003 R53 AC Compressor parts mismatch-100_3287.jpg   2003 R53 AC Compressor parts mismatch-100_3290.jpg   2003 R53 AC Compressor parts mismatch-100_3291.jpg  
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Old Sep 15, 2015 | 07:59 AM
  #2  
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I just replaced my compressor. I tried the coil first but had some issues after (long story). Anyways by the look of yours, it's not OEM. Delphi has the green sticker and mine was still in it and it's a 2003 as well. The connections are different than the oem. The coil on the left looks like the aftermarket compressors you get on Amazon or eBay. The one on the right is the same as stock and the one I replaced and took off my oem compressor. Your compressor looks like it's this one. It was replaced at some point before you got the car I assume. Hope that helps
 
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Old Sep 15, 2015 | 08:02 AM
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muddflapp
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It looks exactly like that. Thanks.
 
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Old Sep 15, 2015 | 08:04 AM
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So that coil you got, will not work with the aftermarket compressors. I found a refurbished compressor on eBay for $260. Has a 6 month warranty. An option if you're needing the air.
 
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Old Sep 20, 2015 | 03:55 PM
  #5  
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muddflapp
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I can only find the A/C coil that I just bought.
I dug through aliexpress with their $6 coils with $56/27 day shipping but didn't find anything that looks like my old coil on the left.

I think I may have found the best price on the compressor I already have.
http://www.carpartkings.com/uac-a-c-...o-11068lc.html
However, there's no guarantee that it's coil will fit my compressor that looks exactly like it, nor the new Mini Coil from Ebay fitting it either.

So, I may scratch that idea and just replace the compressor, dryer, and evap valve using a more known Delphi brand. No guarantee that the new coil I have fits that one either, but it has a better chance.
 
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