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      06-18-2015, 12:04 AM   #4
Bali
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Drives: E46 E84 F15
Join Date: Aug 2014
Location: Riverside, CA

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Quote:
Originally Posted by GJR View Post
...it requires removal of the intake to get to it...
No need to remove the intake manifold to replace the CCV and related hoses. I have done the M54 CCV many times, mostly on E46's which have less space than E39's, and never had to remove the IM.

You do need to remove the air box, MAF, intake boots, throttle body, idle control valve, and a few other peripherals. It helps tremendously to also remove the oil filter housing and air distribution manifold as you gain valuable space to access the CCV and connected hoses. It is not a difficult job, but does take several hours due to the number of parts that have to be removed.

I usually do all these at the same time "while I'm in there" for the CCV.
OFHG
VANOS oil line
CCV valve and 4 hoses
All vacuum lines
Air distribution manifold o-rings
Dipstick o-rings
Dipstick tube o-ring
Upper and lower intake boots
Clean ICV and TB
DISA o-ring
TB gasket