2019 BMW i8 Wheel Backspacing
5.32 in · 4.92 in
Quick specs
- Backspacing
- 5.32 in · 4.92 in
- OEM offset
- ET40 · ET36
- Wheel size
- 7.5x20 · 7x20
- Bolt pattern
- 5×112
- Tire size
- 215/45R20 · 195/50R20
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 1.5 · 1.5L, B38K15A, I3, Hybrid | 7.5x20 | 7.5x20 | ET40 | 5.32 in | 215/45R20 | 5x112 | 66.5 mm | M14 x 1.25 |
| 1.5 · 1.5L, B38K15A, I3, Hybrid | 7x20 | 7.5x20 | ET36 / ET40 | 4.92 in | 195/50R20 / 215/45R20 | 5x112 | 66.5 mm | M14 x 1.25 |
| 1.5 · 1.5L, B38K15A, I3, Hybrid | 7x20 | 7x20 | ET36 | 4.92 in | 195/50R20 | 5x112 | 66.5 mm | M14 x 1.25 |
| 1.5 · 1.5L, B38K15A, I3, Hybrid | 7.5x20 | 7x20 | ET40 / ET36 | 5.32 in | 215/45R20 / 195/50R20 | 5x112 | 66.5 mm | M14 x 1.25 |
| 1.5 (CLA-2Z15U) · B38K15A, P250, I3, Hybrid | 7x20 | 7x20 | ET36 | 4.92 in | 195/50R20 | 5x112 | 66.5 mm | M14 x 1.25 |
| 1.5 (CLA-2Z15U) · B38K15A, P250, I3, Hybrid | 7.5x20 | 7x20 | ET40 / ET36 | 5.32 in | 215/45R20 / 195/50R20 | 5x112 | 66.5 mm | M14 x 1.25 |
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 2019 BMW i8
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.