BMW 430i Spare Tire Sizes

The BMW 430i has used 5x112mm and 5x120mm bolt pattern variations from 2017 to 2021 along with tire diameters ranging from 25.9" to 26.1" tall. Using a temporary spare tire with a diameter close to the standard tire has many benefits, especially for modern vehicles with larger brake calipers and anti-lock brakes or traction control systems. Tire diameter as well as wheel diameter clearance have been taken into account for the specific BMW 430i years and options. In this case, 155/70R17 and 145/70R18 spare tire sizes are used to avoid vehicle components while closely matching the original tire size diameters.

YearMakeModelBolt
Pattern
Tire
Diameters
Recommended
Spare
2021BMW430i
5-112
26-26.1"
145/70R18 | 26.0"
2020BMW430i
5-120
26-26.1"
145/70R18 | 26.0"
2019BMW430i
5-120
26-26.1"
145/70R18 | 26.0"
2018BMW430i
430i M Sport
430i Track Package
5-120
5-120
5-120
25.9-26.1"
26-26.1"
26-26.1"
155/70R17 | 25.5"
145/70R18 | 26.0"
145/70R18 | 26.0"
2017BMW430i
430i M Sport
430i Track Package
5-120
5-120
5-120
25.9-26.1"
26-26.1"
26-26.1"
155/70R17 | 25.5"
145/70R18 | 26.0"
145/70R18 | 26.0"
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