Not been on here much since selling the E30.
Just clearing out all my E30 related stuff as the 325i Cab went a while ago.
Can anyone tell me what the technical name for this is and how much it's worth if anything:

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Also, IIRC, this is something to do with winding windows down and lives usually in the toolbox. Am I right and what's it worth on Ebay?

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Thanks in advance.