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OEM o rings too small?

mike8668 on Sun June 22, 2014 6:33 AM User is offlineView users profile

Year: 96
Make: bmw
Model: 328i
Refrigerant Type: 134a

Replacing the o rings and dryer. Bought the o rings at dealer.
Tried to change the o rings out before with s auto part store kit a couple years ago but found that compressor had major leak. When I replaced compressor last week I also noticed the rings I used were all mashed up like they were too big. When I put new dealer supplied ring s on the id is fine but the thickness of the ring concerns me. They seem way too thin. There is feeling of positive seal when putting hose on any of the fittings. It's like throwing a tennis ball down a hallway. So needless to say I don't have the o original rings to compare to.
Does this seem normal? I plan on putting a vacuum on it after work today but was hoping to secure some info.
Thanks Mike

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