1.

Shop vac truck works phenomenally well. I would use it even who changing the valve just to control that first splurt of oil that usually goes all over your fingers or socket/wrench.

Zero oil comes out while vacuum is running.

I used my cordless Milwaukee Packout. The small nozzle fits perfectly into a roll of electrical tape and no it doesn't suck oil into the vacuum. The tape makes a flat seal that fits over the oil fill port.

I had a buddy babysit the tape/nozzle in case the vacuum drop when taking out the plug would affect the ability of the vacuum alone to hold the fitting together. On YouTube videos I've seen people use duct tape to hold the hose.

I've used the trick a few times. To install the quick change valves on mine and wife's cars but also when pulling the oil filter cap off it usually spills oil and when I did the OFHG job.

2.

The drain plug has a stainless cap with an o-ring that is a backup to the Schrader valve inside.

It does drain slower since of course the valve takes up space in the normally wide open drain hole but bonus never risking cross threading the drain plug hole is fantastic plus.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)