No, they don't have the wrong tyres: they're perfectly suited to this wheel.
205/50 has a 1mm difference in rolling radius to the 225/45 tyre and is perfectly fine on a 7.5 rim according to the tyre spec. I checked this before I bought them because I had the same concern.
You could not put 205 on an 8" wheel.
The rears would fit on my 330i E91 and looked fine, but it's your call. Where in the country are you, as you're welcome to try them if you're local?