If you were in Toronto, Canada, I would have let you try my M5 rear wheels onto your 550 for test fit.
btw, I answered you separately.
Originally Posted by RumbleJay
Has anybody tried to fit this into a 550i that has been lowered with ACS springs? I've seen other members has OEM M5 343M wheels with 255/35/20 F and 285/30/20 R but stock M5 comes with 265 F and 295 R. Not sure the wider tires will cause an issue with rubbing.