OK I'm at my wit's end.

From the posts that I've read there appear to be two types of antenna grommet.

I've attached pics of mine (which is chrome) and this other type - which I gather is more common.

I'm having the beast painted next week and I'll be damned if I'm going to mask the grommet.

Apparently there is a special "antenna spanner wrench," that I'll need.

Anyone used one of these or have a working alternative?

Attached Thumbnails

     

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'82 240D, 215,000 +
Classic White, Regenbogen