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Old 11-20-2014, 12:06 PM   #1
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Join Date: Oct 2012
Location: Allentown, PA
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My Ride: 2002 325xi-sport pkg
Tips and Tricks for CCV

I just finished the CCV (crankcase ventilation) project and boy what a PITA.

I don't know if it's just my car but all of the hose clamps were facing the wrong direction.

I removed the factory installed brake booster clamp and replaced it with a worm drive clamp (about 1" size). removing the booster hose from the plastic valve by the throttle body makes it much easier to move around.

I turned the throttle body intake boot clamps so they can be removed easily in the future, they were facing the back of the engine and took me a long time to get off

I broke the F fitting on the intake boot, I suggest having that .99c piece handy

I noticed my intake boot was actually cracked / failed, so I epoxied it for now, but i also recommend you check that boot before you order parts so you can get it done all at once.

It was exceptionally painful and fiddley to get everything apart, and to get the CCV back in position with the intake manifold attached. Going together though was very simple with the simple clamp position swap. Now the next time I do this it will be a snap.
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Old 01-21-2015, 01:48 PM   #2
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Join Date: Nov 2012
Location: Washington
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My Ride: 2000 328I sedan
Tips and Tricks for CCV

Its a good feeling when it's finally done. Don't forget to change the air distribution manifold O-rings, mine were very dry and brittle when I took them out.

Last edited by Willie00328I; 01-21-2015 at 01:48 PM.
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Old 01-21-2015, 11:36 PM   #3
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My Ride: 2013 328i 6MT
I used this guide

Took me 2hrs 50 min but that's because taking out the intake track is easy for me
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Old 01-22-2015, 02:02 AM   #4
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Join Date: Sep 2013
Location: Tulsa, OK
Posts: 1,502
My Ride: 2002 330Ci Conv.
In addition to the DIY by Starless, BavAuto’s three-part video series is extremely helpful, as well. Didn't time myself, but remember it being easier that what I had anticipated.

Part 1 of 3:

Part 2 of 3:

Part 3 of 3:

DIYs help you save money with repairs; let help you save money with the parts.
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