E46Fanatics - View Single Post - DIY: CCV, DISA, ICV, Oil Separator. STEP BY STEP - PICTURES
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Old 11-18-2009, 02:39 PM   #25
Registered User
Join Date: Nov 2009
Location: Monticello MN
Posts: 6
My Ride: 330i
Originally Posted by spennI View Post
Excuse my naiveté` but what does this DIY solve?
For me it was two things: Upgrade to the cold-weather crankcase ventilation system and fix an oil leak that was caused by the worn valve/hoses.
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