tirewheelguide

1978 BMW M1 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 1978 trim.

Tires for the 1978 BMW M1

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

  1. 205/55R16 front + 225/50R16 rear Best-rated standard on 1 trim
    Check price on Amazon · 205/55R16 front Check price on Amazon · 225/50R16 rear
  2. 245/35R19 front + 265/35R19 rear Best-rated optional on 1 trim
    Check price on Amazon · 245/35R19 front Check price on Amazon · 265/35R19 rear

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Trims sold in 1978
1
Generation
E26

1 trim sold in 1978

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

BMW M1 E26

1978–1981 1 trim
M1 3.5 274 hp · M88B35 I6 205/55VR16 / 225/50VR16 2 fitments
Generation
E26 · 1978–1981
Power
274 hp
Engine
M88B35 I6, Petrol
Center bore
72.6 mm
Bolt pattern
5x120
Thread
M12 x 1.5
Check price on Amazon · 205/55R16 Check price on Amazon · 225/50R16 Wheels 16x7 ET47 · 5x120 · 72.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front205/55VR16Rim 16x7 ET47 5x120–
Rear225/50VR16Rim 16x8 5x120–
Front245/35R19 93YRim 19x9 ET31 5x12033 psi
Rear265/35R19 98YRim 19x10 ET25 5x12032 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 1978
1
Generation
E26
Other years
All years (1978–1981)

Considering a different size?

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