anyways the car has an M3'esque spoiler with adjustable flap fitted. It is a Zender Heckspoiler. Am I right in assuming that Zender were an aftermarket bodykit company? meaning this is not a genuine BMW part and not used on the M3??
Some Pics....



The markings on the adjustable flap....

And the Spoiler (a mirror image as its a bugger of a pic to take!!)






