Bimmerfest - BMW Forums - View Single Post - How to test, clean, & redesign the original BMW dipstick guide tube (CCV vent clogs!)
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Old 06-05-2012, 10:32 PM
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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
Given the hole is the modification - and given my dipstick guide tube 'has' a hole (yet I never modified it) ... how do I know if my dipstick guide tube hole is stock or if it has been modified?

Note: This picture is from the CCV test thread (and is not my dipstick):
(It shows the mayo clogs the CCV drain vent portion of the dipstick guide tube.)
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; 06-08-2012 at 03:11 PM.
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