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Old 02-17-2012, 04:29 AM
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16valex 16valex is offline
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Location: New York
Join Date: Jul 2004
Posts: 3,301
Mein Auto: 530I/Stick Blown
Originally Posted by eparayno View Post
Thanks Alex. I wanted it to look as OEM as possible

While I do think the OEM CCV's functions work out great....when it works and if it wasn't located where it is then I would have had no desire to get rid of the damn thing. The only reason I hesitated to do this on my BMW sooner is because I am new to the BMW world and didn't know how sensitive the ECU/Stock engine management systems were. On previous cars boosted or NA I just stuck a filter on the valve cover and plugged the vacuum source. This is essentially what I did and with a good outcome. Although I never liked the idea of introducing crankcase gas/moisture/oil vapors back into the oil this was just a no-brainer.

Tomorrow I will work on installing a new O-ring for the dipstick tube as well as plugging the connection on the dipstick used for the CCV. And while I'm there might as well remove the CCV and proceed to smash it and its corresponding hoses with a sledge hammer.
The CCV system on an M54 engine is not that complicated as we think. The design idea is great but the hardware is doomed for disaster sooner or later especially if you live in a cold climate.

Catch can is way to go but make sure you have a controlled vent to allow pressure to escape.

I'm still no clear as of your other end go. I know one end of your catch can go to the valve cover but still not clear for the other end. And are you going to put a check valve some where in your catch can system?

Keep up the good work, I really like the can it's clean.
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