Pls ID this cheesy Skinemax (1980s?) movie?

Posed this question to a Usenet group years ago, to no avail, as the responses posited a couple of films made much later. I am assuming this was never shown in USA theaters …
Murderer/fashion photographer’s M.O. is to tape the mouth and nostrils of a (topless, natch) model bound to a chair and force her to watch her own last moments as she asphyxiates.
i.e., an American-made cheesy take on Powell’s Peeping Tom.

This inquiring mind wants to know!

Die Watching. It’s been on video in the US for many years. Dont know if it ever made it to the theaters.

I have no idea, but can I add another Skinemax ID to the list?

German sex comedy that revolves around a young man who must sleep with a number of different girls to get an inheritance from a randy male relative. One memorable scene involves a romantic rendezvous in a closed department store where the naked girl has to pretend to be a manikin to avoid being discovered by the nearsighted night watchman.

Evil Captor: Thanx SO much! (I figgered a Doper w/come to my rescue …)