2020 BMW M4 Wheel Size & Fitment Specs

Confirmed OEM mounting and wheel configurations for this model year. Multiple setups are listed separately — nothing is collapsed to a single arbitrary size.

Bolt pattern5x120
Center bore72.6 mm
Thread sizeM14 x 1.25
FastenerLug bolts

Open wheel fitment calculator → · Tire sizes →

M4

Position	Rim	Offset	Backspacing	Tire	Bore
Rear	9x18	ET29	5.64"	255/40R18	72.6 mm
Rear	8.5x18	ET27	5.31"	255/40R18	72.6 mm
Rear	8.5x19	ET27	5.31"	255/35R19	72.6 mm
Rear	9x19	ET29	5.64"	255/35R19	72.6 mm
Rear	9x20	ET29	5.64"	265/30R20	72.6 mm

Staggered / rear-specific sizes are listed separately from front.

M4 CS

Position	Rim	Offset	Backspacing	Tire	Bore
Rear	9.5x19	ET29	5.89"	265/35R19	72.6 mm
Rear	8.5x19	ET27	5.31"	255/35R19	72.6 mm

Staggered / rear-specific sizes are listed separately from front.

M4 Competition

Position	Rim	Offset	Backspacing	Tire	Bore
Rear	9x18	ET29	5.64"	255/40R18	72.6 mm
Rear	8.5x18	ET27	5.31"	255/40R18	72.6 mm
Rear	8.5x19	ET27	5.31"	255/35R19	72.6 mm
Rear	9x19	ET29	5.64"	255/35R19	72.6 mm
Rear	9x20	ET29	5.64"	265/30R20	72.6 mm
Rear	9x18	ET29	5.64"	255/40R18	72.6 mm
Rear	8.5x18	ET27	5.31"	255/40R18	72.6 mm
Rear	8.5x19	ET27	5.31"	255/35R19	72.6 mm
Rear	9x19	ET29	5.64"	255/35R19	72.6 mm
Rear	9x20	ET29	5.64"	265/30R20	72.6 mm

Staggered / rear-specific sizes are listed separately from front.

M4 (CBA-3C30)

Position	Rim	Offset	Backspacing	Tire	Bore
Rear	9x19	ET29	5.64"	255/35R19	72.6 mm
Rear	8.5x18	ET27	5.31"	255/40R18	72.6 mm
Rear	9x18	ET29	5.64"	255/40R18	72.6 mm
Rear	8.5x19	ET27	5.31"	255/35R19	72.6 mm
Rear	9x20	ET29	5.64"	265/30R20	72.6 mm

Staggered / rear-specific sizes are listed separately from front.

M4 Competition (CBA-3C30)

Position	Rim	Offset	Backspacing	Tire	Bore
Rear	9x18	ET29	5.64"	255/40R18	72.6 mm
Rear	8.5x18	ET27	5.31"	255/40R18	72.6 mm
Rear	8.5x19	ET27	5.31"	255/35R19	72.6 mm
Rear	9x19	ET29	5.64"	255/35R19	72.6 mm
Rear	9x20	ET29	5.64"	265/30R20	72.6 mm

Staggered / rear-specific sizes are listed separately from front.

Vehicles with potentially interchangeable wheels

Filtered by exact bolt pattern and physically compatible center bore — not a full fitment guarantee.

2022 Land Rover Defender
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2021 BMW M2
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2020 BMW X3
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2019 BMW M4
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2018 BMW X4
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2018 BMW M3
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2018 BMW M6
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2016 BMW M5
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →
2015 BMW X1
- 5x120 bolt pattern
- matching center bore
- compare rim diameter vs OEM 18"
- compare rim width vs OEM 9"
- compare offset vs OEM ET29
Compare on fitment tool →

Hardware matching known specs

MCGARD Wheel Locks M14x1.25
Thread matches catalog hardware
M14 x 1.25 · lock
View on Amazon
Rison Titanium Open End Lug Nuts (M14x1.25, Burnt Blue)
Thread matches catalog hardware
M14 x 1.25
View on Amazon