ive heard that S4 spiders are simply not capable of wheel-removal, at least compatibly with a 3rd party wheel due to the airbags.
/////////////////////////////////////////////////The Sicilian ~ Guido
1990 Spider motronic
1974 Spider 1750
Los Angeles, CA
If your wife has ever had to say, "hey move this thermostatic actuator so i can make dinner"...you might be an alfisti.