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Old 01-11-2014, 06:07 PM
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davintosh davintosh is offline
Join Date: Sep 2012
Location: Sioux Falls, SD
Posts: 395
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Intresting; looks like he replaced the factory CCV with a cheapo PCV and a catch can. Also interesting that he mentioned installing an air/water separator. I might have to look into that.

FWIW, here is an excellent thread on the stock CCV system; normal operation, testing, and replacement. Well worth the time to read and understand how the system is supposed to work before going to the bother of replacing or modifying it.

How to test the BMW E39 pressure-controlled crankcase ventilation system (CCV)? - Bimmerfest - BMW Forums
2001 X5 Sport 3.0/5-speed
1998 318ti/5-speed
1988 735i/5-speed
1984 528e/5-speed (soon to be M20B25-powered 525i!)
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