tirewheelguide

2018 BMW 8 Series tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2018 trim.

Tires for the 2018 BMW 8 Series

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

  1. 245/35R20 front + 275/30R20 rear Best-rated standard on 2 trims · optional on 1 · Europe, Japan
    Check price on Amazon · 245/35R20 front Check price on Amazon · 275/30R20 rear
  2. 245/45R18 front + 275/40R18 rear Best-rated standard on 1 trim · Europe
    Check price on Amazon · 245/45R18 front Check price on Amazon · 275/40R18 rear
  3. 245/40R19 front + 275/35R19 rear Best-rated optional on 3 trims · Europe, Japan
    Check price on Amazon · 245/40R19 front Check price on Amazon · 275/35R19 rear

Also listed: 245/40R19 245/45R18

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Trims sold in 2018
3
Generation
G14/G15/G16 sold in 2 market versions

3 trims sold in 2018

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

BMW 8 Series G14/G15/G16

2018–2023 3 trims

Europe

2 trims
8 Series 840d xDrive 315 hp · 3.0L B57D30 I6 · Diesel 245/45R18 100Y / 275/40R18 103Y 6 fitments
Generation
G14/G15/G16 · 2018–2023
Market
Europe
Power
315 hp
Engine
3.0L B57D30 I6, Diesel
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 245/45R18 Check price on Amazon · 275/40R18 Wheels 18x8 ET30 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/45R18 100YRim 18x8 ET30 5x11235 psi
Rear275/40R18 103YRim 18x9 ET41 5x11235 psi
Front245/40R19 98YRim 19x8 ET26 5x11235 psi
Rear275/35R19 100YRim 19x9 ET41 5x11235 psi
Front245/40R19 98VRim 19x8 ET26 5x11235 psi
Rear275/35R19 100VRim 19x9 ET41 5x11235 psi
Front245/35R20 95YRim 20x8 ET26 5x11235 psi
Rear275/30R20 97YRim 20x9 ET41 5x11235 psi
245/45R18 100VRim 18x8 ET30 5x11235 psi
245/40R19 98HRim 19x8 ET30 5x11235 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET30 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

8 Series M850i xDrive 523 hp · 4.4L N63B44 V8 245/35R20 95Y / 275/30R20 97Y 2 fitments
Generation
G14/G15/G16 · 2018–2023
Market
Europe
Power
523 hp
Engine
4.4L N63B44 V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 245/35R20 Check price on Amazon · 275/30R20 Wheels 20x8 ET26 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/35R20 95YRim 20x8 ET26 5x11235 psi
Rear275/30R20 97YRim 20x9 ET41 5x11235 psi
Front245/40R19 98VRim 19x8 ET26 5x11235 psi
Rear275/35R19 100VRim 19x9 ET41 5x11235 psi

How to read 95Y: 95 is the load index (up to 1,521 lb / 690 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET26 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

1 trim
8 Series M850i xDrive (3BA-BC44) 523 hp · 4.4L N63B44D V8 245/35R20 95Y / 275/30R20 97Y 4 fitments
Generation
G14/G15/G16 · 2018–2023
Market
Japan
Power
523 hp
Engine
4.4L N63B44D V8, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 245/35R20 Check price on Amazon · 275/30R20 Wheels 20x8 ET26 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front245/35R20 95YRim 20x8 ET26 5x11235 psi
Rear275/30R20 97YRim 20x9 ET41 5x11235 psi
Front245/40R19 98YRim 19x8 ET26 5x11235 psi
Rear275/35R19 100YRim 19x9 ET41 5x11235 psi
Front245/40R19 98VRim 19x8 ET26 5x11235 psi
Rear275/35R19 100VRim 19x9 ET41 5x11235 psi
245/40R19 98HRim 19x8 ET30 5x11235 psi

How to read 95Y: 95 is the load index (up to 1,521 lb / 690 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET26 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 2018
3
Generation
G14/G15/G16 sold in 2 market versions
Other years
All years (1990–2026)

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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