BMW Alpina B6 E63/E64
2005–2007 1 trimB6 B6 493 hp · N62B44A V8 255/35R20 97Y / 285/30R20 99Y 3 fitments
- Generation
- E63/E64 · 2005–2007
- Power
- 493 hp
- Engine
- N62B44A V8, Petrol
- Center bore
- 72.6 mm
- Bolt pattern
- 5x120
- Thread
- M12 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| Front255/35R20 97Y | Rim 20x9 ET20 | – |
| Rear285/30R20 99Y | Rim 20x10 ET22 | – |
| Front255/40R19 | Rim 19x8.5 ET14 | – |
| Rear285/35R19 | Rim 19x9.5 ET18 | – |
| 255/45R19 100V | Rim 19x8.5 ET14 | – |
How to read 97Y: 97 is the load index (up to 1,609 lb / 730 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET20 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.