Hubcentric Wheel Spacer Kit for BMW M3 M4 M5 M6 (2012-2020) 15mm

Track-Width Hubcentric Wheel Spacer Kit for 2012-2020 BMW M3, M4, M5, M6 (F80, F82, F10, F12)

What it Does: The Hubcentric Wheel Spacer Kit spaces factory or aftermarket wheels outward by 15mm on the 2012-2020 BMW M3, M4, M5, and M6 to increase track width by 30mm, eliminating tucked tire stance and improving lateral chassis stability.

The Stock BMW M3,M4,M5,M6 Hub Geometry and Wheel Inset Limitation

Factory wheel offsets on the F80 M3, F82 M4, F10 M5, and F12/F13/F06 M6 position the tire assembly deep within the wheel arches, creating sunken wheel fitment and limiting clearance for aggressive coilover or brake hardware. Non-hubcentric aftermarket spacers introduce axial runout, leading to high-speed rotational vibrations and harmonic stress through the hub assembly. Additionally, using standard-length wheel bolts with spacers results in inadequate thread engagement, creating a severe shear-failure risk during heavy cornering and braking cycles.

The Engineering Solution

Engineered from high-tensile 7075-T6 billet aluminum, this 15mm spacer kit features an integrated, tight-tolerance 72.56mm hubcentric center-bore snout that fully supports the wheel hub flange. The hard-anodized black finish prevents galvanic corrosion between the aluminum spacer, the cast iron or carbon-ceramic brake rotor hat, and the alloy wheel. The kit supplies extended Grade 10.9 heat-treated steel cone-seat wheel bolts to provide full thread engagement in the wheel hub, maintaining factory clamping force under extreme lateral loads.

What's Included

• 4 x 15mm 7075-T6 Billet Aluminum Hubcentric Wheel Spacers
• 20 x Extended Grade 10.9 Cone-Seat Lug Bolts

Technical Specifications

Compatibility

• 2014-2019 BMW M3 Sedan (F80)
• 2014-2020 BMW M4 Coupe / Convertible (F82 / F83)
• 2012-2016 BMW M5 Sedan (F10)
• 2012-2018 BMW M6 Coupe / Convertible / Gran Coupe (F12 / F13 / F06)

Frequently Asked Questions & Fitment Warnings

Does this fit the F-chassis M3, M4, M5, and M6?

Yes, this is a direct fit for 2012-2020 F-chassis BMW M-cars equipped with the S55 and S63 engines. This kit does not fit G-series chassis vehicles (such as G80 M3, G82 M4, or G90/G99 M5) which use a 5x112 bolt pattern and 66.6mm center bore.

Are extended lug bolts required to run these spacers?

Yes, extended Grade 10.9 cone-seat lug bolts are required and included to guarantee factory thread engagement into the hub assembly.

The BMW Precision Standard

BMW M vehicles demand strict manufacturing tolerances. These hubcentric spacers maintain precision runout specs to eliminate high-speed wheel vibration while preserving OEM steering feedback and suspension geometry.