All of my brake cleaner inventory kept being used up. The intake kept showing signs of oil residue. Using some high temp RTV, I sealed it. Seems the intake is starting to show signs of age. So far, no more oil residue running down the intake runners.

Next time the intake comes off, it will be upgraded. Which performance intake fits? Plus upgrade the valve cover to aluminum.

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'06 X5 3.0i - bought @143,123 miles (12/26/20)