M5 Rims" original or replica?? Briefly it should be able to fit into E34, but as said some replica these days repro M5 design for 3 series, 7 series blah blah.... To be sure, simply chk and ask the offset spec, coz normally for 5 series it should be somewhere 20ish size compared to 3 series which is around 38.
E34 VS E39 = ......of course E39la, because i've driven and owned previously both cars. Personally if have budget, E39 is worthless buying machine. So many reasons captioned by other forrummers, so i reserve mine. Agreed, must find M54 engine Double V, you will be charmed by the moving pleasure. BUT 'classic' is not and will never be for E39. Shapes line, subtle joint detail and seemless compared to E34. E39 is 'everlasting shapes' and yet masculine.
Never regret & Miss both of them..definately. :top: