2003 BMW Z4 Wheel & Tire Sizes
Complete fitment guide for the 2003 BMW Z4: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x120 bolt pattern — for every trim.
Bolt Pattern
5x120
Centre Bore
72.6 mm
Lug bolts
M12 x 1.5
Torque: 115 Nm
Wheel Diameters
17"–19"
Factory (OEM) Tire Sizes for the 2003 BMW Z4
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.
2003 BMW Z4 Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2003 BMW Z4 configuration. Trims with different front and rear specs run a staggered setup.
2.5i · Roadster, 2d (E85)
Staggered2.5L · I6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–19" | 17–19" |
| Wheel width | 7–8" | 9–9.5" |
| Wheel offset | 35–47 mm | 35–40 mm |
| Tire width | 205–225 mm | 245–255 mm |
3.0i · Roadster, 2d (E85)
Staggered3.0L · I6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–19" | 17–19" |
| Wheel width | 7–8" | 9–9.5" |
| Wheel offset | 35–47 mm | 35–40 mm |
| Tire width | 215–225 mm | 245–255 mm |
2003 BMW Z4 Fitment FAQ
What is the bolt pattern on a 2003 BMW Z4?
The 2003 BMW Z4 uses a 5x120 bolt pattern (5 lug bolts on a 120 mm circle) with a 72.6 mm centre bore.
What size tires fit a 2003 BMW Z4?
Factory (OEM) tire sizes for the 2003 BMW Z4 include 205/55R16, 225/50R16, 225/45ZR17, 225/45R17, 225/40ZR18; staggered rear fitments use 245/40ZR17, 255/35ZR18. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2003 BMW Z4?
Depending on trim, the 2003 BMW Z4 accepts wheels from 17" up to 19" 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 2003 BMW Z4 use?
The 2003 BMW Z4 uses M12 x 1.5 lug bolts, torqued to 115 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.