For all those who have US spec MINIs who would like to manually turn off your passenger side front airbag, MINI has your product, and we have your official retrofit guide.
Now we here at MotoringFile don’t recommend doing this type of work if you are not skilled with electronics and don’t mind an incredibly expensive airbag blowing up in your face. But at the very least, it’s interesting to see what goes into these systems. (for R50s, R52s, and R53s built from 07/04 on)
[ Airbag Shut-off Retrofit Kit ] Official MINI PDF
From our understanding, this option is actually standard in parts of the world but not available typically in the US.