All cars wheel fitment and tire size guide

BMW 318i wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
BMW 318i E-CA18
1991	15x6.0	47	5x120	185/65R15
1996	15x7.0	47	5x120	205/60R15
BMW 318i GF-AL19
1998	15x6.5	42	5x120	195/65R15
1999	15x6.5	42	5x120	195/65R15
	17x7.5	41	5x120	225/45R17 front
	17x8.5	50	5x120	225/40R17 rear
2001	17x7.5	41	5x120	225/45R17 front
2001	17x8.5	50	5x120	225/40R17 rear
BMW 318i GH-AL19
2001	15x6.5	42	5x120	195/65R15
	17x7.5	41	5x120	225/45R17 front
	17x8.5	50	5x120	225/40R17 rear
BMW 318i GH-AY20
2001	16x7.0	47	5x120	205/55R16
2001	16x7.0	47	5x120	205/55R16
2004	16x7.0	47	5x120	205/55R16
2004	16x7.0	47	5x120	225/50R16

Wheel size BMW 318i:
PCD 5x120 diametr for 15 to 17, width for 6J to 8.5J, offset for 41 to 50. Similar to BMW 3 Gran Turismo (F34) 330 d xDrive 2018

Tire size 15 to 17, width 185 to 225 and tire aspect 40 to 65.
Smallest tire size: 225/40R17, Largest: 195/65R15.