I bought a set of pop out windows for my 91 coupe. From what I read on the forums it was supposed to be a basic swap there were even supposed to be the original area to mount the latch bracket. So I lined up the latch and screwed in the screw and I hit nothing I tried a couple more times and still nothing, then I started looking.

I pulled everything back out and started lifting up the head liner. There were two cut out lines so I started digging at the insulation.

After digging for a while, I found that there were two oval open spots that I was drilling into. I can only assume that there are supposed to be inserts here, similar to license plate inserts that you are supposed to drill into.


The problem is I can't find a part number. Does anybody know a part number? Or what they use in the early model E30's to drill into for the vent windows?

I pulled everything back out and started lifting up the head liner. There were two cut out lines so I started digging at the insulation.

After digging for a while, I found that there were two oval open spots that I was drilling into. I can only assume that there are supposed to be inserts here, similar to license plate inserts that you are supposed to drill into.


The problem is I can't find a part number. Does anybody know a part number? Or what they use in the early model E30's to drill into for the vent windows?
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