tirewheelguide

2015 BMW Alpina B6 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 2015 trim.

Tires for the 2015 BMW Alpina B6

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

  1. 255/35R20 Best-rated standard on 2 trims · optional on 2 · Japan, Europe
    Check price on Amazon · 255/35R20
  2. 255/35R20 front + 285/30R20 rear Best-rated standard on 1 trim · Japan
    Check price on Amazon · 255/35R20 front Check price on Amazon · 285/30R20 rear
  3. 255/35R20 front + 295/30R20 rear Best-rated standard on 1 trim · Europe
    Check price on Amazon · 255/35R20 front Check price on Amazon · 295/30R20 rear

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Trims sold in 2015
4
Generation
F06/F12/F13 sold in 2 market versions

4 trims sold in 2015

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 Alpina B6 F06/F12/F13

2011–2019 4 trims

Japan

3 trims
B6 B6 (ABA-5M2C) +1 variant 591 hp · V8 255/35R20 97Y 2 fitments

Same tires and wheels on: B6 (ABA-6M20)

Generation
F06/F12/F13 Facelift · 2015–2019
Market
Japan
Power
591 hp
Engine
V8, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M14 x 1.25
Check price on Amazon · 255/35R20 Wheels 20x10 ET40 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/35R20 97YRim 20x10 ET40 5x12032 psi
255/35R20 97WRim 20x9.5 ET44 5x12032 psi

How to read 97Y: 97 is the load index (up to 1,609 lb / 730 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

B6 B6 (ABA-6M10) 543 hp · V8 255/35R20 93Y / 285/30R20 99Y 2 fitments
Generation
F06/F12/F13 · 2011–2015
Market
Japan
Power
543 hp
Engine
V8, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M14 x 1.25
Check price on Amazon · 255/35R20 Check price on Amazon · 285/30R20 Wheels 20x8.5 ET33 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/35R20 93YRim 20x8.5 ET33 5x12032 psi
Rear285/30R20 99YRim 20x9.5 ET44 5x12032 psi
Front255/35R20 97WRim 20x8.5 ET33 5x12032 psi
Rear255/35R20 97WRim 20x9.5 ET44 5x12032 psi

How to read 93Y: 93 is the load index (up to 1,433 lb / 650 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Europe

1 trim
B6 B6 591 hp · 4.4L N63B44B V8 255/35R20 97Y / 295/30R20 101Y 2 fitments
Generation
F06/F12/F13 Facelift · 2015–2019
Market
Europe
Power
591 hp
Engine
4.4L N63B44B V8, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M14 x 1.25
Check price on Amazon · 255/35R20 Check price on Amazon · 295/30R20 Wheels 20x8.5 ET33 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/35R20 97YRim 20x8.5 ET33 5x12032 psi
Rear295/30R20 101YRim 20x10 ET40 5x12032 psi
Front255/35R20 97WRim 20x8.5 ET33 5x12032 psi
Rear255/35R20 97WRim 20x9.5 ET44 5x12032 psi

How to read 97Y: 97 is the load index (up to 1,609 lb / 730 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET33 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 2015
4
Generation
F06/F12/F13 sold in 2 market versions
Other years
All years (1983–2019)

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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