BMW Z8 (E52) Tire Sizes, Rim Dimensions & Trim Comparison Guide
The BMW Z8 (E52) features specific tire size markings that vary by model year and trim level. Most trims use tire sizes like 225/45ZR18 for the front and 255/40ZR18 for the rear, designed to balance performance and comfort.\n\nRim widths generally range from 8 to 9 inches in diameter 18-inch configurations, depending on trim and year. These dimensions affect handling dynamics, making it important to select the correct tyre and wheel setup.\n\nWhen comparing trims, note that some performance-oriented variants may have wider rims and lower profile tires for improved grip. Use official size markings to verify compatibility and safety.\n\nFor practical selection, always cross-check tire and rim measurements with your specific BMW Z8 (E52) year and trim to ensure proper fitment and optimal driving experience.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| BMW Z8 (E52) 4.9 | 2003 | 245/45R18 | 8" × 18" |
| BMW Z8 (E52) 4.9 | 2002 | 245/45R18 | 8" × 18" |
| BMW Z8 (E52) 4.9 | 2001 | 245/45R18 | 8" × 18" |
| BMW Z8 (E52) 4.9 | 2000 | 245/45R18 | 8" × 18" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for BMW Z8 (E52).
FAQ
- What tire sizes are standard on the BMW Z8 (E52)?
- Standard tire sizes typically include 225/45ZR18 front and 255/40ZR18 rear, varying slightly with trim and model year.
- How do rim widths differ across BMW Z8 trims?
- Rim widths range from 8 to 9 inches, with performance trims often featuring wider rims for improved handling.
- Can I swap tires between different BMW Z8 (E52) trims?
- Swapping is possible but requires matching compatible tire sizes and rim widths to maintain safety and performance.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
