2011 BMW M3 Wheel Offset

ET20 · ET29 · ET31

Quick specs

OEM offset: ET20 · ET29 · ET31
Wheel size: 8x18 · 8.5x18 · 8.5x19 · 9x19
Backspacing: 4.79 in · 5.39 in · 5.72 in
Bolt pattern: 5×120
Center bore: 72.6 mm
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 CRT · S65B44A, V8, Petrol	9x19	9x19	ET31	5.72 in	245/35R19	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

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM: 18×8 ET20 · 235/40R18 · Front · 4.0 · 4.0L, S65B40A, V8, Petrol

New width (in)New offset (mm)

Outer: +0 mm
Inner clearance: 0 mm unchanged

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Wheels and hardware for this vehicle

Lug hardware

Wheel locks

Real-World 2011 BMW M3 Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

20-inch — 7 documented builds
19-inch — 1 documented build

8 documented builds.

Diameter

Staggered · 19×9.5 ET22 / 19×10.5 ET22

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Front: 19×9.5 ET22 · 275/30R19
Rear: 19×10.5 ET22 · 295/30R19

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 17 mm farther toward fender (more outward poke)
Inner edge 21 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×9 ET18 / 20×10.5 ET17

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Concept One Executive CS 5.0

Front: 20×9 ET18 · 245/30R20
Rear: 20×10.5 ET17 · 295/25R20

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 14.7 mm farther toward fender (more outward poke)
Inner edge 10.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM
Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×9 / 20×11

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: ADV.1 5.1MV1

Front: 20×9
Rear: 20×11

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×8.5 / 20×10.5

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Surge - M112

Front: 20×8.5 · 235/35R20
Rear: 20×10.5 · 255/35R20

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×9 / 20×10.5

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Verona - M151

Front: 20×9 · 245/35R20
Rear: 20×10.5 · 295/25R20

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×9 / 20×12

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Manhart Black Edition

Front: 20×9 · 255/30R20
Rear: 20×12 · 325/25R20

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×8.5 / 20×10

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Gianelle Yerevan

Front: 20×8.5
Rear: 20×10

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2011 BMW M3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Giovanna Monza

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8 ET20 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

More specs for the 2011 BMW M3

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.