2005 BMW Z4 Wheel Backspacing
5.35 in · 5.85 in · 5.81 in
Quick specs
- Backspacing
- 5.35 in · 5.85 in · 5.81 in
- OEM offset
- ET47 · ET46
- Wheel size
- 7x16 · 8x17 · 8x18
- Bolt pattern
- 5×120
- Tire size
- 205/55R16 · 225/45R17 · 225/50R16 · 225/40R18
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.5i · 2.5L, I6, Petrol | 7x16 | 7x16 | ET47 | 5.35 in | 205/55R16 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.5i · 2.5L, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 3.0i · 3.0L, M54B30, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 3.0i · 3.0L, M54B30, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.0i · 2.0L, N46B20, I4, Petrol | 7x16 | 7x16 | ET47 | 5.35 in | 205/55R16 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.0i · 2.0L, N46B20, I4, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.2i · M54B22, I6, Petrol | 7x16 | 7x16 | ET47 | 5.35 in | 205/55R16 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.2i · M54B22, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.5i · 2.5L, M54B25, I6, Petrol | 7x16 | 7x16 | ET47 | 5.35 in | 205/55R16 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.5i · 2.5L, M54B25, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.2i (GH-BT22) · 226S, I6, Petrol | 7x16 | 7x16 | ET47 | 5.35 in | 205/55R16 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.2i (GH-BT22) · 226S, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.5i (GH-BT25) · 256S, I6, Petrol | 7x16 | 7x16 | ET47 | 5.35 in | 205/55R16 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 2.5i (GH-BT25) · 256S, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
| 3.0i (GH-BT30) · 306S, I6, Petrol | 8x17 | 7x16 | ET47 | 5.85 in | 225/45R17 / 225/50R16 | 5x120 | 72.6 mm | M12 x 1.5 |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
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More specs for the 2005 BMW Z4
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.