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Old 05-16-2010, 03:42 PM
pj- pj- is offline
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Location: NY
 
Join Date: Apr 2010
Posts: 55
Mein Auto: 02 530i
I just got this done thanks to the various DIYs here and elsewhere.

One problem.. I found a mystery o-ring under my car while everything was apart.



Its dimensions are 12mm outer diameter, 8mm inner diameter, 2mm thick. It's not the dipstick o-ring because that is about the same diameter as the nickel. I looked through some realoem diagrams which didn't help. It was clean and dry when I found it, so it was either in a non-dirty location or it fell off the new CCV.
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