2013 BMW M3 Wheel Backspacing
4.79 in · 5.39 in · 5.72 in
Quick specs
- Backspacing
- 4.79 in · 5.39 in · 5.72 in
- OEM offset
- ET20 · ET29 · ET31
- Wheel size
- 8x18 · 8.5x18 · 8.5x19 · 9x19
- Bolt pattern
- 5×120
- Tire size
- 235/40R18 · 245/40R18 · 245/35R19 · 255/35R19
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 4.0 · 4.0L, S65B40A, V8, Petrol | 8x18 | 8.5x18 | ET20 / ET29 | 4.79 in | 235/40R18 / 245/40R18 | 5x120 | 72.6 mm | M12 x 1.5 |
| 4.0 · 4.0L, S65B40A, V8, Petrol | 8x18 | 8.5x18 | ET20 / ET29 | 4.79 in | 235/40R18 / 245/40R18 | 5x120 | 72.6 mm | M12 x 1.5 |
| 4.4 GTS · S65B44A, V8, Petrol | 9x19 | 9x19 | ET31 | 5.72 in | 255/35R19 | 5x120 | 72.6 mm | M12 x 1.5 |
| 4.0 (CBA-VA40) · S65B40A, V8, Petrol | 8x18 | 8.5x18 | ET20 / ET29 | 4.79 in | 235/40R18 / 245/40R18 | 5x120 | 72.6 mm | M12 x 1.5 |
| 4.0 (CBA-WD40) · S65B40A, V8, Petrol | 8x18 | 8.5x18 | ET20 / ET29 | 4.79 in | 235/40R18 / 245/40R18 | 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 2013 BMW M3
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.