BMW Wheel Size, Offset & Fitment Guide

Common factory 437M summer specification for the F80 M3.

• The factory 513M 18-inch package uses 18x9J ET29 and 18x10J ET40 with 255/40 R18 and 275/40 R18 tyres.
• Competition-package 20-inch cars use a different factory package.
• Confirm the fitted wheel option and brake package from the VIN or vehicle placard.

OEM-style 18-inch road fitment using near-factory widths and offsets.

• Normally direct fit on standard suspension.
• Carbon-ceramic brakes require a wheel specifically confirmed to clear the larger brake package.

Well-documented square dual-purpose setup allowing front-to-rear tyre rotation.

• Normally direct fit on factory suspension.
• Coilovers or spring perches that reduce inner clearance can require a small front spacer; track use benefits from additional negative camber.

Documented flush 20-inch street fitment that can clear factory carbon-ceramic brakes with the correct wheel design.

• Published as a direct fit with the stated tyre sizes.
• Lowered cars and tyre models with broad shoulders still require a full-lock and compression clearance check.

Widely documented staggered F8X track package prioritising rear traction.

• Suitable for factory iron brakes, not the factory carbon-ceramic package.
• Front rubbing or a small spacer can be required depending on tyre construction and suspension; verify at full lock and full compression.

Common factory 437M summer specification for the F82 and F83 M4.

• The factory 513M 18-inch package uses 18x9J ET29 and 18x10J ET40 with 255/40 R18 and 275/40 R18 tyres.
• Competition-package 20-inch cars use a different factory package.
• F83 Convertible applications must also meet the correct wheel load rating.

OEM-style 18-inch road fitment using near-factory widths and offsets.

• Normally direct fit on standard suspension.
• Carbon-ceramic brakes require confirmed clearance; F83 wheels must have a suitable load rating.

Well-documented square dual-purpose setup allowing tyre rotation.

• Normally direct fit on factory suspension.
• Reduced-inner-clearance suspension can require a small front spacer; track use benefits from additional negative camber.

Documented flush 20-inch street fitment that can clear factory carbon-ceramic brakes with the correct wheel design.

• Published as a direct fit with the stated tyre sizes.
• Lowered cars and broad-shouldered tyres need a compression check; confirm the F83 wheel load rating.

Widely documented staggered F8X track package prioritising rear traction.

• Suitable for factory iron brakes, not the factory carbon-ceramic package.
• Front rubbing or a small spacer can be required depending on tyre construction and suspension; F83 load rating must also be checked.

Factory F87 M2 and M2 Competition wheel dimensions and tyre sizing.

• Several BMW wheel styles use these widths and offsets.
• M2 Competition 2NH brakes require the correct barrel and spoke profile even when the nominal size matches.

Near-OEM direct-fit road package that can reuse the factory tyre sizes.

• Normally requires no spacer, alignment or body modification.
• M2 Competition 2NH brake clearance remains wheel-design dependent.

Popular square dual-purpose setup with tyre rotation.

• Street tyres are commonly direct fit; compounds that run wide can require moderate front negative camber.
• A 5mm front spacer can be needed with suspension that reduces inner clearance.

Wide square setup that maximises practical tyre width under the standard arches.

• Adjustable camber plates and additional negative camber are commonly required.
• Tyre construction, ride height and rear alignment can make local liner or arch work necessary.

Hardcore square track package requiring substantial supporting changes.

• Typically needs approximately 20–25mm front spacing, slim motorsport coilovers and around -3.5° front camber.
• Rear camber arms, local clearance work and confirmed 2NH brake clearance may also be required.

Factory staggered G87 M2 wheel and tyre specification.

• The front and rear wheel diameters are intentionally staggered.
• Confirm the fitted factory wheel option and market-specific tyre specification from the VIN or vehicle placard.

Documented direct-fit square road package with front-to-rear tyre rotation.

• The ET12 position sits flush while retaining direct fit with 275/35 R19 tyres.
• Use a wheel design specifically confirmed for the factory brake package.

Documented staggered performance setup retaining strong rear traction.

• Published as a direct fit with the narrower front option.
• Tyres that run particularly wide can still touch the front liner at full steering lock.

Shorter, wider staggered setup with broad tyre availability.

• Published as a direct fit, but front-liner clearance still varies by tyre model.
• Check full-lock clearance and rear inner suspension clearance before hard use.

Hardcore square G87 track fitment requiring major modification.

• A 12mm front spacer and at least -3° front camber are required; more may be needed with wide-running tyres.
• Front liner and cooling-duct clearance work is normally required, and full-lock rubbing can remain.

Common factory Competition and M xDrive staggered package.

• Some rear-wheel-drive G80 specifications use 18x9.5J ET20 front and 19x10.5J ET20 rear wheels with 275/40 R18 and 285/35 R19 tyres.
• G81 Touring applications require the correct wheel load rating.

Documented flush direct-fit package for reusing the common factory Competition tyre sizes.

• Use a wheel design confirmed for the fitted steel or carbon-ceramic brake package.
• G81 Touring applications require a suitable wheel load rating.

Popular square package that allows tyre rotation and reduces the factory stagger.

• The wheel size itself is a proven fitment; actual liner clearance depends on tyre model, ride height and alignment.
• Confirm the chosen wheel clears the fitted brake package.

Aggressive square road-and-track setup documented on modified G8X cars.

• Front spacing, adjustable camber and changes to the front liner fins are commonly required.
• Target clearance depends heavily on tyre construction and suspension; this is not a standard bolt-on package.

Track-focused square package for compatible steel-brake cars.

• 18-inch wheel design and brake clearance must be confirmed; do not assume compatibility with carbon-ceramic brakes.
• Front spacer, camber and liner work are commonly required, and suitable 18-inch tyre choices are limited.

Common factory Competition and M xDrive staggered package.

• Some rear-wheel-drive G82 specifications use 18x9.5J ET20 front and 19x10.5J ET20 rear wheels with 275/40 R18 and 285/35 R19 tyres.
• G83 Convertible applications require the correct wheel load rating.

Documented flush direct-fit package for reusing the common factory Competition tyre sizes.

• Use a wheel design confirmed for the fitted steel or carbon-ceramic brake package.
• G83 Convertible applications require a suitable wheel load rating.

Popular square package that allows tyre rotation and reduces the factory stagger.

• The wheel size itself is a proven fitment; actual liner clearance depends on tyre model, ride height and alignment.
• Confirm the chosen wheel clears the fitted brake package.

Aggressive square road-and-track setup documented on modified G8X cars.

• Front spacing, adjustable camber and changes to the front liner fins are commonly required.
• Target clearance depends heavily on tyre construction and suspension; this is not a standard bolt-on package.

Track-focused square package for compatible steel-brake cars.

• 18-inch wheel design and brake clearance must be confirmed; do not assume compatibility with carbon-ceramic brakes.
• Front spacer, camber and liner work are commonly required; G83 wheel load rating must also be checked.

Common optional factory staggered M240i package.

• Some cars use 19x8J ET27 wheels with 225/40 R19 tyres on all four corners.
• The factory high-performance/ZTK package uses 19x8.5J ET25 and 19x9.5J ET35 wheels with 245/35 R19 and 255/35 R19 tyres.

Factory high-performance/ZTK dimensions used as a conservative wider fitment.

• BMW pairs this package with the relevant body extensions and equipment.
• On a non-ZTK car, confirm front and rear body clearance before treating it as a direct replacement.

Documented staggered performance package with closely matched nominal tyre diameters.

• Suitable for xDrive when the actual chosen tyre models maintain an acceptable rolling-circumference relationship.
• Suspension that reduces inner front clearance can require a small spacer.

Documented flush square setup used by G42 owners.

• Front poke is noticeable on non-ZTK cars, particularly at standard ride height; body extensions or alignment changes may be desirable.
• Tyre construction and lowering can change liner and arch clearance.

Owner-documented square tyre package used for autocross and track work with performance-package body clearance.

• Confirm the actual wheel offsets, ZTK/body extensions, front strut clearance and full-lock liner clearance before ordering.
• A square tyre does not guarantee identical wheel widths, and 275-section tyres vary substantially between models.

Common factory optional staggered 19-inch M340i package.

• BMW also supplies 18-inch and square 19-inch packages depending on market, model year and option code.
• G21 Touring applications require the correct wheel load rating.

Conservative OEM-plus staggered fitment documented across G20 owner builds.

• Normally suitable at standard ride height without bodywork.
• Confirm the wheel load rating for G21 Touring applications.

Documented square daily and track setup with tyre rotation.

• Owner reports include cars on lowering springs and Öhlins suspension without spacers.
• Tyres that run wide still require a full-lock liner and strut-clearance check.

Frequently documented flush staggered G20 setup.

• For xDrive, verify the published rolling circumference of the exact front and rear tyre models rather than relying only on nominal sizes.
• Ride height and tyre shoulder shape can affect front-liner clearance.

Aggressive square track fitment requiring a clearance-led setup.

• Front spacer, additional negative camber and front-liner contact are commonly reported.
• Suspension with reduced inner clearance can require more spacing; confirm G21 wheel load rating.

Common factory staggered 19-inch M440i package.

• BMW also supplies 18-inch and square 19-inch packages depending on market, model year and option code.
• G23 Convertible applications require the correct wheel load rating.

Conservative OEM-plus staggered fitment for the G22/G23 wheel wells.

• Normally suitable at standard ride height without bodywork.
• Confirm the wheel load rating for G23 Convertible applications.

Square daily and track setup with tyre rotation.

• Confirm front strut, brake and full-lock liner clearance with the chosen wheel and tyre model.
• Lowering and tyre shoulder shape can change the result.

Flush staggered G2X setup derived from established G20/G22 fitment data.

• For xDrive, verify the exact tyre manufacturers' rolling circumferences.
• Ride height and tyre shoulder shape can affect front-liner clearance; confirm G23 load rating.

Aggressive square track fitment requiring a clearance-led setup.

• Front spacer, additional negative camber and front-liner contact can be required.
• Suspension with reduced inner clearance can require more spacing; confirm G23 wheel load rating.

Factory Style 436M staggered specification commonly fitted to M135i and M140i models.

• BMW parts records confirm 7.5J ET45 front and 8J ET52 rear wheel dimensions.
• Confirm the actual wheel style, model year and brake option before ordering replacements.

Common direct-fit square road package for balanced handling and tyre rotation.

• Normally clears standard suspension and bodywork.
• Suspension that reduces inner front clearance can require a small spacer; confirm brake spoke clearance.

Well-established staggered package for higher-powered M135i and M140i road builds.

• The stated front and rear tyre diameters remain closely matched.
• Wider alternatives can require additional camber, spacing or liner clearance.

Wider square street setup using an 8.5J wheel on all four corners.

• Tyre model, ride height and front suspension clearance determine whether a small spacer or extra camber is required.
• Check rear arch clearance under compression.

Documented maximum-width square track-oriented package for the standard F2X arches.

• Front spacing, suitable coilover clearance and substantial negative camber are commonly required.
• Wide 200TW tyres can also require rear camber adjustment or local arch clearance work.