2015 BMW M4 Wheel Backspacing

5.64 in · 5.31 in

Quick specs

Backspacing
5.64 in · 5.31 in
OEM offset
ET29 · ET27
Wheel size
9x18 · 8.5x18 · 8.5x19 · 9x19 · 9x20
Bolt pattern
5×120
Tire size
255/40R18 · 255/35R19 · 265/30R20

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
M4 · 3.0L, S55B30A, I6, Petrol9x189x18ET295.64 in255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol8.5x189x18ET27 / ET295.31 in255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol8.5x199x18ET27 / ET295.31 in255/35R19 / 255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol9x199x18ET295.64 in255/35R19 / 255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol9x209x18ET295.64 in265/30R20 / 255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol9x189x18ET295.64 in255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol8.5x189x18ET27 / ET295.31 in255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol8.5x199x18ET27 / ET295.31 in255/35R19 / 255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol9x199x18ET295.64 in255/35R19 / 255/40R185x12072.6 mmM14 x 1.25
M4 · 3.0L, S55B30A, I6, Petrol9x209x18ET295.64 in265/30R20 / 255/40R185x12072.6 mmM14 x 1.25
M4 (CBA-3C30) · S55B30A, I6, Petrol9x199x19ET295.64 in255/35R195x12072.6 mmM14 x 1.25
M4 (CBA-3C30) · S55B30A, I6, Petrol8.5x189x19ET27 / ET295.31 in255/40R18 / 255/35R195x12072.6 mmM14 x 1.25
M4 (CBA-3C30) · S55B30A, I6, Petrol9x189x19ET295.64 in255/40R18 / 255/35R195x12072.6 mmM14 x 1.25
M4 (CBA-3C30) · S55B30A, I6, Petrol8.5x199x19ET27 / ET295.31 in255/35R195x12072.6 mmM14 x 1.25
M4 (CBA-3C30) · S55B30A, I6, Petrol9x209x19ET295.64 in265/30R20 / 255/35R195x12072.6 mmM14 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 2015 BMW M4

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.