WheelOffset

2009 BMW M5 Wheel Offset

Quick specs

Wheel size
8x18 · 8.5x19 · 9.5x19
Offset
ET14 · ET12 · ET20
Backspacing
4.55 in · 4.72 in · 5.54 in
Bolt pattern
5×120
Center bore
72.6 mm
Thread
M12×1.5
Tire size
245/45R18 · 255/40R19

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Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

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OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
M5 · 5.0L, S85B50, V10, Petrol8x188.5x19ET14 / ET124.55 in245/45R18 / 255/40R195x12072.6 mmM12 x 1.5
M5 · 5.0L, S85B50A, V10, Petrol8x188.5x19ET14 / ET124.55 in245/45R18 / 255/40R195x12072.6 mmM12 x 1.5
M5 Touring · 5.0L, S85B50A, V10, Petrol8x188.5x19ET14 / ET124.55 in245/45R18 / 255/40R195x12072.6 mmM12 x 1.5
M5 (ABA-NB50) · S85B50A, V10, Petrol8x188.5x19ET14 / ET124.55 in245/45R18 / 255/40R195x12072.6 mmM12 x 1.5

Wheels and hardware

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Lug hardware

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Wheel locks

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Real-World 2009 BMW M5 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 — 2 documented builds

2 documented builds.

2009 BMW M5 custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2009 BMW M5 build — observed custom fitment, not a universal fit guarantee.

Front
20×? · 255/35R20
Rear
— · 285/30R20
Compared with OEM

Compared with the 18×8 ET14 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM
View full build on Modified1
2009 BMW M5 custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2009 BMW M5 build — observed custom fitment, not a universal fit guarantee.

Wheel: G-Power Silverstone

Front
20×? · 255/35R20
Rear
— · 285/30R20
Compared with OEM

Compared with the 18×8 ET14 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM
View full build on Modified1

Compare your own setup

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

OEM: 18×8 ET14 · 245/45R18 · Front · M5 · 5.0L, S85B50, V10, Petrol

  • Outer: +0 mm
  • Inner clearance: 0 mm unchanged

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More specs for the 2009 BMW M5

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.