tirewheelguide.com

2019 BMW Z4 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2019 trim.

Tires for the 2019 BMW Z4

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

  1. 255/35R19 Best-rated standard on 3 trims · optional on 3 · China, Japan, Europe
    Check price on Amazon · 255/35R19
  2. 225/50R17 Best-rated standard on 3 trims · optional on 2 · Europe, Japan, China, USA
    Check price on Amazon · 225/50R17
  3. 255/40R18 front + 275/40R18 rear Best-rated standard on 2 trims · optional on 1 · USA, Europe
    Check price on Amazon · 255/40R18 front Check price on Amazon · 275/40R18 rear

Also listed: 225/50R17 + 255/45R17 255/40R18 225/45R18 255/35R19 + 275/35R19 225/45R18 + 255/40R18

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Trims sold in 2019
9
Generation
III (G29) sold in 4 market versions

9 trims sold in 2019

Sold in 4 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

BMW Z4 III (G29)

2018–2023 9 trims

Europe

3 trims
Z4 M40i 335 hp · 3.0L B58B30C I6 255/40R18 95Y / 275/40R18 99Y 3 fitments
Generation
G29 · 2018–2023
Market
Europe
Power
335 hp
Engine
3.0L B58B30C I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/40R18 Check price on Amazon · 275/40R18 Wheels 18x9 ET32 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/40R18 95YRim 18x9 ET32 5x112–
Rear275/40R18 99YRim 18x10 ET40 5x112–
Front255/40R18 99VRim 18x8.5 ET30 5x112–
Rear255/40R18 99VRim 18x9 ET32 5x112–
Front255/35R19 96YRim 19x9 ET32 5x112–
Rear275/35R19 100YRim 19x10 ET40 5x112–

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). ET32 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Z4 sDrive20i 194 hp · 2.0L B48B20 I4 225/50R17 98Y 7 fitments
Generation
G29 · 2018–2023
Market
Europe
Power
194 hp
Engine
2.0L B48B20 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 225/50R17 Wheels 17x8.5 ET26 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/50R17 98YRim 17x8.5 ET26 5x112–
225/50R17 94WRim 17x8.5 ET26 5x112–
225/50R17 98HRim 17x8 ET23 5x112–
225/45R18 95YRim 18x9 ET28 5x112–
255/40R18 99VRim 18x9 ET32 5x112–
255/40R18 95YRim 18x10 ET40 5x112–
255/35R19 96YRim 19x10 ET40 5x112–

How to read 98Y: 98 is the load index (up to 1,653 lb / 750 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.

Z4 sDrive30i 255 hp · 2.0L B48B20 I4 225/50R17 98Y 7 fitments
Generation
G29 · 2018–2023
Market
Europe
Power
255 hp
Engine
2.0L B48B20 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 225/50R17 Wheels 17x8.5 ET26 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/50R17 98YRim 17x8.5 ET26 5x112–
225/50R17 94WRim 17x8.5 ET26 5x112–
255/35R19 96YRim 19x10 ET40 5x112–
225/50R17 98HRim 17x8 ET23 5x112–
225/45R18 95YRim 18x9 ET28 5x112–
255/40R18 99VRim 18x9 ET32 5x112–
255/40R18 95YRim 18x10 ET40 5x112–

How to read 98Y: 98 is the load index (up to 1,653 lb / 750 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.

China

2 trims
Z4 M40i 335 hp · 3.0L B58B30C I6 255/35R19 96Y 3 fitments
Generation
G29 · 2018–2023
Market
China
Power
335 hp
Engine
3.0L B58B30C I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/35R19 Wheels 19x10 ET40 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/35R19 96YRim 19x10 ET40 5x112–
255/40R18 99VRim 18x9 ET32 5x112–
255/40R18 95YRim 18x10 ET40 5x112–

How to read 96Y: 96 is the load index (up to 1,565 lb / 710 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Z4 sDrive25i 194 hp · 2.0L B48B20B I4 255/35R19 96Y 6 fitments
Generation
G29 · 2018–2023
Market
China
Power
194 hp
Engine
2.0L B48B20B I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/35R19 Wheels 19x10 ET40 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/35R19 96YRim 19x10 ET40 5x112–
225/50R17 98YRim 17x8.5 ET26 5x112–
225/50R17 98HRim 17x8 ET23 5x112–
225/45R18 95YRim 18x9 ET28 5x112–
255/40R18 99VRim 18x9 ET32 5x112–
255/40R18 95YRim 18x10 ET40 5x112–

How to read 96Y: 96 is the load index (up to 1,565 lb / 710 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

2 trims
Z4 M40i (3BA-HF30) 335 hp · B58B30C I6 255/35R19 96Y 3 fitments
Generation
G29 · 2018–2023
Market
Japan
Power
335 hp
Engine
B58B30C I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/35R19 Wheels 19x10 ET40 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/35R19 96YRim 19x10 ET40 5x112–
255/40R18 99VRim 18x9 ET32 5x112–
255/40R18 95YRim 18x10 ET40 5x112–

How to read 96Y: 96 is the load index (up to 1,565 lb / 710 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Z4 sDrive20i (3BA-HF20) 194 hp · 2.0L B48B20B I4 225/50R17 98Y 7 fitments
Generation
G29 · 2018–2023
Market
Japan
Power
194 hp
Engine
2.0L B48B20B I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 225/50R17 Wheels 17x8.5 ET26 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/50R17 98YRim 17x8.5 ET26 5x112–
225/50R17 94WRim 17x8.5 ET26 5x112–
225/45R18 95YRim 18x9 ET28 5x112–
225/50R17 98HRim 17x8 ET23 5x112–
255/40R18 99VRim 18x9 ET32 5x112–
255/40R18 95YRim 18x10 ET40 5x112–
255/35R19 96YRim 19x10 ET40 5x112–

How to read 98Y: 98 is the load index (up to 1,653 lb / 750 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.

USA

2 trims
Z4 M40i 382 hp · 3.0L B58B30B I6 255/40R18 95Y / 275/40R18 99Y 3 fitments
Generation
G29 · 2018–2023
Market
USA
Power
382 hp
Engine
3.0L B58B30B I6, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 255/40R18 Check price on Amazon · 275/40R18 Wheels 18x9 ET32 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front255/40R18 95YRim 18x9 ET32 5x112–
Rear275/40R18 99YRim 18x10 ET40 5x112–
Front255/40R18 99VRim 18x8.5 ET30 5x112–
Rear255/40R18 99VRim 18x9 ET32 5x112–
Front255/35R19 96YRim 19x9 ET32 5x112–
Rear275/35R19 100YRim 19x10 ET40 5x112–

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). ET32 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Z4 sDrive30i 255 hp · 2.0L B48B20 I4 225/50R17 94W / 255/45R17 98W 7 fitments
Generation
G29 · 2018–2023
Market
USA
Power
255 hp
Engine
2.0L B48B20 I4, Petrol
Center bore
66.6 mm
Bolt pattern
5x112
Thread
M14 x 1.25
Check price on Amazon · 225/50R17 Check price on Amazon · 255/45R17 Wheels 17x7.5 ET24 · 5x112 · 66.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front225/50R17 94WRim 17x7.5 ET24 5x112–
Rear255/45R17 98WRim 17x8.5 ET26 5x112–
Front225/45R18 95YRim 18x8 ET20 5x112–
Rear255/40R18 99YRim 18x9 ET28 5x112–
Front225/50R17 98YRim 17x7.5 ET24 5x112–
Rear255/45R17 98YRim 17x8.5 ET26 5x112–
Front225/50R17 98HRim 17x7.5 ET24 5x112–
Rear225/50R17 98HRim 17x8 ET23 5x112–
Front255/40R18 99VRim 18x8.5 ET30 5x112–
Rear255/40R18 99VRim 18x9 ET32 5x112–
Front255/40R18 95YRim 18x9 ET32 5x112–
Rear275/40R18 99YRim 18x10 ET40 5x112–
Front255/35R19 96YRim 19x9 ET32 5x112–
Rear275/35R19 100YRim 19x10 ET40 5x112–

How to read 94W: 94 is the load index (up to 1,477 lb / 670 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET24 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 2019
9
Generation
III (G29) sold in 4 market versions
Other years
All years (2002–2026)

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