1997 BMW Alpina B12 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 1997 trim.

Tires for the 1997 BMW Alpina B12

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

  1. 245/40R20 front + 275/35R20 rear Best-rated standard on 1 trim
  2. 245/40R18 front + 285/35R18 rear Best-rated optional on 1 trim

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Trims sold in 1997
1
Generation
E38

1 trim sold in 1997

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

BMW Alpina B12 E38

1995–2001 1 trim
B12 B12 5.7 382 hp · M70B57 V12 245/40R20 95Z / 275/35R20 98Z 2 fitments
Generation
E38 · 1995–2001
Power
382 hp
Engine
M70B57 V12, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
Front245/40R20 95ZRim 20x8 ET20 5x12038 psi
Rear275/35R20 98ZRim 20x9 ET26 5x12038 psi
Front245/40R18 93YRim 18x8 ET20 5x12039 psi
Rear285/35R18 97YRim 18x9 ET26 5x12042 psi
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 1997
1
Generation
E38
Other years
All years (1988–2001)

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