Found them...
looks like they are from a 7 series.
ET/offset is pretty severe compared to most E53 wheels, but maybe a wheel xpert can help here.
They would
not be my choice, looks-wise, but everyone has their own bag.
GL, mD
7er E65 ff. 8x18
245/50R18 
ET 24
Wheel Pic Site:
Felgen-Katalog - BMW-Treff - der Treffpunkt fr alle BMW-Fans und -Fahrer