2009 BMW M5 Wheel Offset

ET14 · ET12 · ET20

Quick specs

OEM offset
ET14 · ET12 · ET20
Wheel size
8x18 · 8.5x19 · 9.5x19
Bolt pattern
5×120
Center bore
72.6 mm
Tire size
245/45R18 · 255/40R19

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

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 ET14 · 245/45R18 · Front · M5 · 5.0L, S85B50, V10, Petrol

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

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Wheels and hardware for this vehicle

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Lug hardware

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  • Gorilla Automotive 21133HT Small Diameter Acorn Chrome 5 Lug Kit (12mm x 1.50 Thread Size) Pack Of 20

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

    Check price on Amazon
  • WayJun 4 Pcs Wheel Lug Nuts M12 X 1.5 for BMW E46 325 E90 E39 E60 E53 36136781150

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

    Check price on Amazon
  • Gorilla Automotive 21132HT Small Diameter Acorn Chrome 4 Lug Kit (12mm x 1.50 Thread Size) - Pack Of 16

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

    Check price on Amazon

Wheel locks

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  • MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon
  • Gorilla Automotive Wheel Locks With Washer (M12x1.50)

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon

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
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

More specs for the 2009 BMW M5

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.