[Meir]

Originally Posted by Perfectlap

Those are called Aspheric mirrors. I guess "blind spot mirror" was too difficult for Porsche.

Very easy to install. You just have to be careful not to rip out the wiring behind the stock mirror lense. I actually did the swap right in the parking lot when I picked it up at FedEx. I was too cheap to do both sides... having spent over $9K in mods and all..

Aspheric Mirror:Porsche Parts & Porsche Accessories - Wholesale Porsche Parts & Tequipment - Cayman Panamera Cayenn

thanks for the link.
for 99$ a pop, i can understand you