2009 BMW Z4 Wheel Backspacing
5.14 in
Quick specs
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| sDrive30i · 3.0L, N52B30, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 5x120 | 72.6 mm | M12 x 1.5 |
| sDrive35i · 3.0L, N54B30, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 5x120 | 72.6 mm | M12 x 1.5 |
| sDrive23i · 2.5L, N52B25A, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 5x120 | 72.6 mm | M12 x 1.5 |
| sDrive30i · 3.0L, N52B30A, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 5x120 | 72.6 mm | M12 x 1.5 |
| sDrive35i · 3.0L, N54B30A, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 5x120 | 72.6 mm | M12 x 1.5 |
| sDrive23i (ABA-LM25) · N52B25A, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 5x120 | 72.6 mm | M12 x 1.5 |
| sDrive35i (ABA-LM30) · N54B30A, I6, Petrol | 8x17 | 8x17 | ET29 | 5.14 in | 225/45R17 | 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 2009 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.