OK, here are the pics.
I remembered incorrectly because it has only one tab but I'm sure you can fit it up if you really wanted to.
As you can see, you can use this piece to locate the holes you need to drill in your seats for the pins.
Let me know how it goes.
Part No 911 501 041 00
It's been superseded to a new part number but just follow the trail and make sure you are sitting down when you check the price.
extra parts needed.
91152222900 pins
91152223300 springs
91152223100 red knobs
91152222701 frame that holds it all together
99952310602 washers
N0141338 screws that hold it all to the rear seat.
These are old numbers but you'll still be able to find them from these.
