All cars wheel fitment and tire size guide

BMW 540i wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
BMW 540i ABA-NB40
2005	18x8.0	20	5x120	245/40R18
2005	18x8.0	20	5x120	245/40R18
BMW 540i ABA-NW40
2007	18x8.0	20	5x120	245/40R18
2007	18x8.0	20	5x120	245/40R18
BMW 540i E-DE44
1997	16x7.0	20	5x120	225/55R16
1998	16x7.0	20	5x120	225/55R16
BMW 540i E-HE40
1993	15x7.0	20	5x120	225/60R15
1994	15x7.0	20	5x120	225/60R15
BMW 540i GF-DN44
1998	16x7.0	20	5x120	225/55R16
1998	16x7.0	20	5x120	225/55R16
1999	17x8.0	20	5x120	235/45R17 front
1999	17x9.0	26	5x120	235/40R17 rear
BMW 540i GH-DN44
2000	17x8.0	20	5x120	235/45R17
	17x8.0	20	5x120	235/45R17 front
	17x9.0	26	5x120	235/40R17 rear

Wheel size BMW 540i:
PCD 5x120 diametr for 15 to 18, width for 7J to 9J, offset for 20 to 26. Similar to BMW 7 (F01, F02, F03, F04) 760 i 2015

Tire size 15 to 18, width 225 to 245 and tire aspect 40 to 60.
Smallest tire size: 235/40R17, Largest: 225/55R16.