Sorry, folks. Perhaps I didn't do a good job describing it
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I'm referring to the accessory you use to protect the interior from the sun. I've attached a few pics for reference. The rover is made for my chassis, the gold one is not specific to my Thunderbids, but fits almost perfectly. The BMW is from a later model SUV, since there was never one offered for the e31 chassis and it fits good enough.
That's what I'd like to get to protect the interior of the D2's. The 03 has a flimsy generic one that needs to be replaced. I'd like a good quality foldable piece like the ones in the pictures.