2020 BMW 4 Series Wheel & Tire Sizes
Complete fitment guide for the 2020 BMW 4 Series: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x120 bolt pattern — for every trim.
Bolt Pattern
5x120 / 5x112
Varies by trim
Centre Bore
72.6 mm
Lug bolts
M14 x 1.25
Torque: 140 Nm
TPMS
433 MHz
Factory (OEM) Tire Sizes for the 2020 BMW 4 Series
Front / square fitments
Rear (staggered fitments)
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2020 BMW 4 Series Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2020 BMW 4 Series configuration. Trims with different front and rear specs run a staggered setup.
430i · Gran Coupe, 5d (F36)
Staggered2.0L · I4 · Petrol · Bolt pattern: 5x120
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 8.5–10.5" |
| Wheel offset | 25–37 mm | 35–47 mm |
| Tire width | 225–245 mm | 255 mm |
430i · Coupe, 2d (G22)
Staggered2.0L · I4 · Petrol · Bolt pattern: 5x120
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 8.5–10.5" |
| Wheel offset | 25–37 mm | 35–47 mm |
| Tire width | 225–245 mm | 255 mm |
430i xDrive · Coupe, 2d (G22)
Staggered2.0L · I4 · Petrol · Bolt pattern: 5x120
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 9.5–10.5" |
| Wheel offset | 25–37 mm | 35–45 mm |
| Tire width | 225–245 mm | 255 mm |
440i · Gran Coupe, 5d (F36)
Staggered3.0L · I6 · Petrol · Bolt pattern: 5x120
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 8.5–10.5" |
| Wheel offset | 30–37 mm | 35–47 mm |
| Tire width | 225–245 mm | 255 mm |
440i xDrive · Gran Coupe, 5d (F36)
Staggered3.0L · I6 · Petrol · Bolt pattern: 5x120
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 8.5–10.5" |
| Wheel offset | 30–37 mm | 35–47 mm |
| Tire width | 225–245 mm | 255 mm |
M440i · Coupe, 2d (G22)
Staggered3.0L · I6 · Petrol · Bolt pattern: 5x112
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9.5–11" |
| Wheel offset | 25–35 mm | 35–45 mm |
| Tire width | 225–255 mm | 255 mm |
M440i xDrive · Coupe, 2d (G22)
Staggered3.0L · I6 · Petrol · Bolt pattern: 5x112
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9.5–11" |
| Wheel offset | 25–30 mm | 35–45 mm |
| Tire width | 225–255 mm | 255 mm |
2020 BMW 4 Series Fitment FAQ
What is the bolt pattern on a 2020 BMW 4 Series?
The 2020 BMW 4 Series uses 5x120 or 5x112 depending on trim — check the per-trim tables below to confirm which applies to your configuration. The centre bore is 72.6 mm.
What size tires fit a 2020 BMW 4 Series?
Factory (OEM) tire sizes for the 2020 BMW 4 Series include 225/50ZR17, 225/50R17, 225/45ZR18, 225/45R18, 225/40ZR19, 225/35ZR20; staggered rear fitments use 255/40ZR18, 255/35ZR19, 255/30ZR20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2020 BMW 4 Series?
Depending on trim, the 2020 BMW 4 Series accepts wheels from 18" up to 20" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug bolt size does a 2020 BMW 4 Series use?
The 2020 BMW 4 Series uses M14 x 1.25 lug bolts, torqued to 140 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.