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Old 12-06-2012, 09:09 AM
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bluebee bluebee is offline
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Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by Dnormand View Post
The new oil separator(OS) has a small port that was unplugged upon receiving it. Official BMW records say that port is "required" for my model year car.
This thread, found by typing /ccv F3 in the bestlinks, was designed to answer your question well before you asked it:

- Clarification on how the M54 CCV vacuum port works on the M52 CCV valve connection to the fuel pressure regulator connection (1)

If it doesn't answer your question - please ask over there as that's the canonical thread for the CCV vacuum port connection.

Please read the suggested threads and add value, either by pictures or by descriptions, so the next person stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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