2020 BMW Alpina B7 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2020 trim.

Tires for the 2020 BMW Alpina B7

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

  1. 255/40R20 front + 295/35R20 rear Best-rated standard on 2 trims · Europe, Japan
  2. 255/40R20 Best-rated standard on 1 trim · Japan
  3. 255/40R20 front + 285/35R20 rear Best-rated optional on 2 trims · Europe, Japan

Also listed: 255/35R21 + 295/30R21 255/35R21

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Trims sold in 2020
3
Generation
G12 sold in 2 market versions

3 trims sold in 2020

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

BMW Alpina B7 G12

2019–2023 3 trims

Japan

2 trims
B7 B7 (7BA-7M50) 599 hp · 4.4L N63B44C N63M30A V8 255/40R20 101Y / 295/35R20 105Y 3 fitments
Generation
G12 Facelift · 2019–2023
Market
Japan
Power
599 hp
Engine
4.4L N63B44C N63M30A V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Tire sizeRim size and bolt patternPressure, psi
Front255/40R20 101YRim 20x8.5 ET25 5x11239 psi
Rear295/35R20 105YRim 20x10 ET41 5x11239 psi
Front255/40R20 101VRim 20x8.5 ET25 5x11239 psi
Rear285/35R20 104VRim 20x10 ET41 5x11239 psi
Front255/35R21 98YRim 21x8.5 ET25 5x11239 psi
Rear295/30R21 102YRim 21x10 ET41 5x11239 psi

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET25 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

B7 B7 (ABA-7M30) 599 hp · N63B44C N63M30A V8 255/40R20 101Y 3 fitments
Generation
G12 Facelift · 2019–2023
Market
Japan
Power
599 hp
Engine
N63B44C N63M30A V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Tire sizeRim size and bolt patternPressure, psi
255/40R20 101YRim 20x10 ET41 5x11239 psi
255/40R20 101VRim 20x10 ET41 5x11239 psi
255/35R21 98YRim 21x10 ET41 5x11239 psi

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Europe

1 trim
B7 B7 599 hp · 4.4L N63B44C N63M30A V8 255/40R20 101Y / 295/35R20 105Y 3 fitments
Generation
G12 Facelift · 2019–2023
Market
Europe
Power
599 hp
Engine
4.4L N63B44C N63M30A V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Tire sizeRim size and bolt patternPressure, psi
Front255/40R20 101YRim 20x8.5 ET25 5x11239 psi
Rear295/35R20 105YRim 20x10 ET41 5x11239 psi
Front255/40R20 101VRim 20x8.5 ET25 5x11239 psi
Rear285/35R20 104VRim 20x10 ET41 5x11239 psi
Front255/35R21 98YRim 21x8.5 ET25 5x11239 psi
Rear295/30R21 102YRim 21x10 ET41 5x11239 psi

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET25 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 2020
3
Generation
G12 sold in 2 market versions
Other years
All years (2003–2022)

Considering a different size?

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

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