tirewheelguide

2021 BMW X3 M tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2021 trim.

Tires for the 2021 BMW X3 M

Sizes most trims come with first. Open your trim below for its exact size.

  1. 255/40R21 front + 265/40R21 rear Best-rated standard on 3 trims · optional on 1 · Europe, Japan
    Check price on Amazon · 255/40R21 front Check price on Amazon · 265/40R21 rear
  2. 255/45R20 front + 265/45R20 rear Best-rated standard on 1 trim · optional on 3 · Europe, Japan
    Check price on Amazon · 255/45R20 front Check price on Amazon · 265/45R20 rear
  3. 255/40R21 Best-rated standard on 1 trim · Japan
    Check price on Amazon · 255/40R21

Also listed: 255/45R20

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Trims sold in 2021
5
Generation
F97 sold in 2 market versions

5 trims sold in 2021

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

BMW X3 M F97

2019–2024 5 trims

Europe

3 trims
X3 M X3 M Competition +1 variant 503 hp · 3.0L S58B30A I6 255/40R21 102Y / 265/40R21 105Y 3 fitments

2 versions of this trim share these tires and wheels.

Generation
F97 LCI · 2021–2024
Market
Europe
Power
503 hp
Engine
3.0L S58B30A I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/40R21 Check price on Amazon · 265/40R21 Wheels 21x9.5 ET31 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/40R21 102YRim 21x9.5 ET31 5x112–
Rear265/40R21 105YRim 21x10 ET39 5x112–
Front255/45R20 105YRim 20x9 ET28 5x112–
Rear265/45R20 108YRim 20x10 ET39 5x112–
Front255/45R20 105VRim 20x9 ET28 5x112–
Rear255/45R20 105VRim 20x9.5 ET39 5x112–

How to read 102Y: 102 is the load index (up to 1,874 lb / 850 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET31 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

X3 M X3 M 473 hp · 3.0L S58B30A I6 255/45R20 105Y / 265/45R20 108Y 3 fitments
Generation
F97 · 2019–2021
Market
Europe
Power
473 hp
Engine
3.0L S58B30A I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/45R20 Check price on Amazon · 265/45R20 Wheels 20x9 ET28 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/45R20 105YRim 20x9 ET28 5x112–
Rear265/45R20 108YRim 20x10 ET39 5x112–
Front255/45R20 105VRim 20x9 ET28 5x112–
Rear255/45R20 105VRim 20x9.5 ET39 5x112–
Front255/40R21 102YRim 21x9.5 ET31 5x112–
Rear265/40R21 105YRim 21x10 ET39 5x112–

How to read 105Y: 105 is the load index (up to 2,039 lb / 925 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET28 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

2 trims
X3 M X3 M (3BA-TS30) 473 hp · 3.0L S58B30A I6 255/40R21 102Y / 265/40R21 105Y 3 fitments
Generation
F97 · 2019–2021
Market
Japan
Power
473 hp
Engine
3.0L S58B30A I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/40R21 Check price on Amazon · 265/40R21 Wheels 21x9.5 ET31 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/40R21 102YRim 21x9.5 ET31 5x112–
Rear265/40R21 105YRim 21x10 ET39 5x112–
Front255/45R20 105YRim 20x9 ET28 5x112–
Rear265/45R20 108YRim 20x10 ET39 5x112–
Front255/45R20 105VRim 20x9 ET28 5x112–
Rear255/45R20 105VRim 20x9.5 ET39 5x112–

How to read 102Y: 102 is the load index (up to 1,874 lb / 850 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET31 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

X3 M X3 M Competition (3BA-TS30) 503 hp · 3.0L S58B30A I6 255/40R21 102Y 3 fitments
Generation
F97 · 2019–2021
Market
Japan
Power
503 hp
Engine
3.0L S58B30A I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/40R21 Wheels 21x10 ET39 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/40R21 102YRim 21x10 ET39 5x112–
255/45R20 105YRim 20x10 ET39 5x112–
255/45R20 105VRim 20x9.5 ET39 5x112–

How to read 102Y: 102 is the load index (up to 1,874 lb / 850 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET39 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2021
5
Generation
F97 sold in 2 market versions
Other years
All years (2019–2024)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

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