Nevermind. I figured it out. The vents are a sandwich with the foam in between. Throw out the foam. Throw in the aluminum. Snap together. Insert. Done. I'll post pix later for opinions...

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Has anyone actually installed the aluminum fresh air vent inserts from Minicooperparts.com? I was expecting a complete vent from them, but apparently it's just the aluminum part, which appears on their website to replace the foam that's ordinarily sandwiched in betwen the plastic parts.
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