E46Fanatics - View Single Post - 2001 330xi Overheating Issue
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Old 08-22-2018, 12:06 AM   #53
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Join Date: Feb 2017
Location: South Florida
Posts: 49
My Ride: 2003 325i
Year: 2003
Model: 325i
Transmission: Automatic
Crankcase Vent Valve

Originally Posted by BMW-North View Post
I suspect your mechanic is referring to this pipe which commonly leaks where it enters the cylinder head. For several years now there has been a metal alternative to the OE plastic pipe. It runs under the intake.
If your're referring to the crankcase vent valve (There were 5 plastic hoses in a kit that ran up under/around the engine, we replaced those a few months back along with a DISA valve because the engine was running so rough. That fixed the problem!
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