Here are some shots of our F30 335i on BBS CH with Bridgestone RE-11. The RE-11 tends to run pretty wide and has a square shoulder on it so we went safe on the sizing for a good street setup
BBS CH
19x8.5 +35 on 225/35/19
room to go up to 245 looks like depending on the tire. Up to a +30 offset or so looks to fit no problem as well with a 225 or 235 tire.
19x9.5 +40 on 255/35/19
room to go up to 265 looks like depending on the tire
