All cars wheel fitment and tire size guide

BMW 323i wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
BMW 323i ABA-VB23
2005	16x7.0	34	5x120	225/50R16
	17x8.0	34	5x120	225/45R17 front
	17x8.5	37	5x120	225/40R17 rear
BMW 323i E-CB25
1996	15x7.0	47	5x120	205/60R15
1996	15x7.0	47	5x120	205/60R15
1998	16x7.0	47	5x120	225/50R16
BMW 323i GF-AM25
1998	15x6.5	42	5x120	195/65R15
1999	17x7.5	41	5x120	225/45R17 front
1999	17x8.5	50	5x120	225/40R17 rear

Wheel size BMW 323i:
PCD 5x120 diametr for 15 to 17, width for 6.5J to 8.5J, offset for 34 to 50. Similar to Opel Insignia Sedan 2.0 Biturbo CDTI 4x4 2018

Tire size 15 to 17, width 195 to 225 and tire aspect 40 to 65.
Smallest tire size: 225/40R17, Largest: 195/65R15.