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Old 01-23-2013, 09:39 AM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by doru View Post
CPS to engine O-ring p/n 12141748398 (Item #9)
CPS O-ring (Intake & exhaust) p/n 12141748398 (Item #6)
EDIT: I just realized that all the confusion may be due to the fact that one of these "CPS" above may actually be a CKP (crankshaft) while the other two are CPS (camshaft)!

Interestingly, here is a picture of a reputed CPS o-ring gone bad just now reported today:

These photos from this thread show the M54 intake CPS & exhaust CPS locations:

A good picture of the CPS o-ring is in this thread:
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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

Last edited by bluebee; 01-23-2013 at 01:59 PM.
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