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Old 12-30-2012, 02:08 PM   #427
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Join Date: Oct 2011
Location: Southern California
Posts: 247
My Ride: 2003 325i Sedan
Originally Posted by honkifyoubonk View Post
when you say put rtv on the "half moons" where exactly do you mean?
I apologize for the vague manor I explain some of the things.

If you look at the picture below of the valve cover and the old valve cover gasket. At the front and back of the gasket there are 2 rubber bumps, commonly refered to as the half moons due to their semi-circular shape.

When replacing the gasket, you want to apply two small blobs of Black RTV on the sides of the half moons and a thin film over the top to help ensure a proper seal. I'm sorry I dont have pictures of it! Many good DIY's show this step.
Front:18x10 et12 Rear: 18x10 et20
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