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BMW E85 Z4 and Z4 M tire sizes (2003–2008)
Factory front and rear tire sizes for every US E85 trim and wheel package by model year, each linked to its source.
Last updated
| Trim | US model years | Front | Rear | Run-flat | Star (*) |
|---|---|---|---|---|---|
| Z4 3.0i Roadster | 2006 | 225/50R16 | 225/50R16 | ||
| Z4 3.0i Roadster | 2006 | 225/45R17 | 225/45R17 | ||
| Z4 3.0i Roadster staggered | 2006 | 225/40R18 | 255/35R18 | ||
| Z4 3.0i Roadster Base Model | 2007–2008 | 225/45R17 | 225/45R17 | ||
| Z4 3.0i Roadster Sport Package staggered | 2007–2008 | 225/45R17 | 255/40R17 | ||
| Z4 3.0i Roadster Sport Package staggered | 2008 | 225/40R18 | 255/35R18 | ||
| Z4 3.0si Coupe | 2006–2007 | 225/45R17 | 225/45R17 | ||
| Z4 3.0si Coupe staggered | 2006–2007 | 225/40R18 | 255/35R18 | ||
| Z4 3.0si Coupe Base Model | 2008 | 225/45R17 | 225/45R17 | ||
| Z4 3.0si Coupe Sport Package staggered | 2008 | 225/40R18 | 255/35R18 | ||
| Z4 3.0si Roadster | 2006 | 225/45R17 | 225/45R17 | ||
| Z4 3.0si Roadster staggered | 2006 | 225/40R18 | 255/35R18 | ||
| Z4 3.0si Roadster Base Model | 2007–2008 | 225/45R17 | 225/45R17 | ||
| Z4 3.0si Roadster Sport Package staggered | 2007–2008 | 225/40R18 | 255/35R18 | ||
| Z4 M Coupe staggered | 2006–2008 | 225/45R18 | 255/40R18 | ||
| Z4 M Roadster staggered | 2006–2008 | 225/45R18 | 255/40R18 | ||
| Z4 2.5i staggered | 2003–2005 | 225/40R18 | 255/35R18 | ||
| Z4 3.0i staggered | 2003–2005 | 225/40R18 | 255/35R18 |
Run-flat and star are filled only where a BMW owner's manual or Tire Rack's original-equipment listing confirms them for that year; blank means not confirmed. Check the placard in your driver's door jamb before buying.
Shop these sizes: Shop 225/50R16 at Mavis · Shop 225/45R17 at Mavis · Shop 225/40R18 at Mavis · Shop 255/35R18 at Mavis · Shop 255/40R17 at Mavis · Shop 225/45R18 at Mavis · Shop 255/40R18 at Mavis
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All BMW tire sizes E85 model page Tire replacement cost Run-flat and staggered tires
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