tirewheelguide

2012 BMW Alpina B3 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 2012 trim.

Tires for the 2012 BMW Alpina B3

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

  1. 245/40R18 Best-rated standard on 4 trims · Europe, Japan
    Check price on Amazon · 245/40R18
  2. 245/35R19 Best-rated standard on 1 trim · optional on 5 · Europe, Japan
    Check price on Amazon · 245/35R19
  3. 245/35R19 front + 265/35R19 rear Best-rated standard on 1 trim · optional on 1 · Europe, Japan
    Check price on Amazon · 245/35R19 front Check price on Amazon · 265/35R19 rear

Also listed: 245/40R18 + 265/40R18 235/40R18 245/35R19 + 255/35R19

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Trims sold in 2012
7
Generation
E90/E91/E92/E93 sold in 2 market versions

7 trims sold in 2012

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 B3 E90/E91/E92/E93

2010–2013 7 trims

Europe

5 trims
B3 B3 355 hp · 3.0L K2 I6 245/40R18 93Y / 265/40R18 97Y 5 fitments
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Europe
Power
355 hp
Engine
3.0L K2 I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/40R18 Check price on Amazon · 265/40R18 Wheels 18x8 ET34 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/40R18 93YRim 18x8 ET34 5x120–
Rear265/40R18 97YRim 18x9 ET36 5x120–
Front245/35R19 93YRim 19x8 ET34 5x120–
Rear265/35R19 98YRim 19x9 ET39 5x120–
Front245/35R19 93YRim 19x8.5 ET34 5x120–
Rear265/35R19 98YRim 19x9.5 ET36 5x120–
235/40R18Rim 18x8 ET34 5x120–
245/35R19 93WRim 19x8 ET34 5x120–

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). ET34 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

B3 B3 Allrad 355 hp · 3.0L K2 I6 245/40R18 93Y / 245/40R18 93Y 5 fitments
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Europe
Power
355 hp
Engine
3.0L K2 I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/40R18 Check price on Amazon · 245/40R18 Wheels 18x8 ET34 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/40R18 93YRim 18x8 ET34 5x120–
Rear245/40R18 93YRim 18x9 ET44 5x120–
Front245/35R19 93YRim 19x8 ET34 5x120–
Rear255/35R19 96YRim 19x9 ET44 5x120–
Front245/35R19 93YRim 19x8.5 ET34 5x120–
Rear255/35R19 96YRim 19x9.5 ET44 5x120–
235/40R18Rim 18x8 ET34 5x120–
245/35R19 93WRim 19x8 ET34 5x120–

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). ET34 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

B3 B3 GT3 402 hp · N54B30A I6 245/35R19 93Y 1 fitment
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Europe
Power
402 hp
Engine
N54B30A I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/35R19 Wheels 19x9.5 ET36 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/35R19 93YRim 19x9.5 ET36 5x120–

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). ET36 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

B3 B3 S 394 hp · N54B30A I6 245/40R18 93Y 5 fitments
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Europe
Power
394 hp
Engine
N54B30A I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/40R18 Wheels 18x9 ET36 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/40R18 93YRim 18x9 ET36 5x120–
235/40R18Rim 18x8 ET34 5x120–
245/35R19 93YRim 19x9 ET39 5x120–
245/35R19 93WRim 19x8 ET34 5x120–
245/35R19 93YRim 19x9.5 ET36 5x120–

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). ET36 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

B3 B3 S Allrad 394 hp · N54B30A I6 245/40R18 93Y 5 fitments
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Europe
Power
394 hp
Engine
N54B30A I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/40R18 Wheels 18x9 ET44 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/40R18 93YRim 18x9 ET44 5x120–
235/40R18Rim 18x8 ET34 5x120–
245/35R19 93YRim 19x9 ET44 5x120–
245/35R19 93WRim 19x8 ET34 5x120–
245/35R19 93YRim 19x9.5 ET44 5x120–

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). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

2 trims
B3 B3 GT3 (ABA-3K30) 405 hp · I6 245/35R19 93Y / 265/35R19 98Y 1 fitment
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Japan
Power
405 hp
Engine
I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/35R19 Check price on Amazon · 265/35R19 Wheels 19x8.5 ET34 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/35R19 93YRim 19x8.5 ET34 5x120–
Rear265/35R19 98YRim 19x9.5 ET36 5x120–

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). ET34 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

B3 B3 S (ABA-3K30) 405 hp · I6 245/40R18 93Y 5 fitments
Generation
E90/E91/E92/E93 Facelift · 2010–2013
Market
Japan
Power
405 hp
Engine
I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 245/40R18 Wheels 18x9 ET36 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/40R18 93YRim 18x9 ET36 5x120–
235/40R18Rim 18x8 ET34 5x120–
245/35R19 93YRim 19x9 ET39 5x120–
245/35R19 93WRim 19x8 ET34 5x120–
245/35R19 93YRim 19x9.5 ET36 5x120–

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). ET36 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 2012
7
Generation
E90/E91/E92/E93 sold in 2 market versions
Other years
All years (1987–2025)

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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