2006 BMW Alpina B6 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 2006 trim.

Tires for the 2006 BMW Alpina B6

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

  1. 255/35R20 front + 285/30R20 rear Best-rated standard on 2 trims · Europe, Japan
  2. 255/35R20 Best-rated standard on 1 trim · Japan
  3. 255/45R19 Best-rated optional on 3 trims · Japan, Europe

Also listed: 255/40R19 + 285/35R19 255/40R19

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Trims sold in 2006
3
Generation
E63/E64 sold in 2 market versions

3 trims sold in 2006

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 B6 E63/E64

2005–2007 3 trims

Japan

2 trims
B6 B6 (ABA-VH12) 503 hp · V8 255/35R20 97Y / 285/30R20 99Y 3 fitments
Generation
E63/E64 · 2005–2007
Market
Japan
Power
503 hp
Engine
V8, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
Front255/35R20 97YRim 20x9 ET20 5x120–
Rear285/30R20 99YRim 20x10 ET22 5x120–
Front255/40R19Rim 19x8.5 ET14 5x120–
Rear285/35R19Rim 19x9.5 ET18 5x120–
255/45R19 100VRim 19x8.5 ET14 5x120–

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). ET20 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-WH12) 503 hp · V8 255/35R20 97Y 3 fitments
Generation
E63/E64 · 2005–2007
Market
Japan
Power
503 hp
Engine
V8, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/35R20 97YRim 20x10 ET22 5x120–
255/40R19Rim 19x9.5 ET18 5x120–
255/45R19 100VRim 19x8.5 ET14 5x120–

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). ET22 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Europe

1 trim
B6 B6 493 hp · N62B44A V8 255/35R20 97Y / 285/30R20 99Y 3 fitments
Generation
E63/E64 · 2005–2007
Market
Europe
Power
493 hp
Engine
N62B44A V8, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
Front255/35R20 97YRim 20x9 ET20 5x120–
Rear285/30R20 99YRim 20x10 ET22 5x120–
Front255/40R19Rim 19x8.5 ET14 5x120–
Rear285/35R19Rim 19x9.5 ET18 5x120–
255/45R19 100VRim 19x8.5 ET14 5x120–

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). ET20 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 2006
3
Generation
E63/E64 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.

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