Hubcentric Wheel Spacer Kit for BMW M5 M6 M8 X5 X5M X6 X6M X7 (2015-2021) 15mm

Precision Hubcentric 15mm Wheel Spacer Kit for 2015-2021 BMW M5, M6, M8, X5, X5M, X6, X6M, X7 (F90 / G05 / G07)

What it Does: The Hubcentric 15mm Wheel Spacer Kit widens the axle track width on the 2015-2021 BMW M5, M6, M8, X5, X5M, X6, X6M, and X7 to eliminate inset wheel fitment, enhance high-speed cornering stability, and restore aggressive fender flushness.

The Stock BMW M5, M6, M8, X5, X5M, X6, X6M, X7 Inset Wheel Geometry Limitation

Factory wheel offsets on modern BMW high-performance platforms—including the F90 M5, F92 M8, and G05/G07 SAVs—leave substantial fender overhang. This conservative track width not only creates an aesthetically recessed, sunken tire profile but also narrows the vehicle's functional mechanical track. Furthermore, generic non-hubcentric or universal cast spacers lack precise center bore registers, failing to support radial loads directly on the hub lip. This improper load distribution introduces severe high-speed driveline vibration, premature wheel bearing wear, and dangerous shear loads on factory-length wheel bolts.

The Engineering Solution

Engineered specifically for heavy, high-torque applications powered by the S63 twin-turbo V8 and B58 inline-six platforms, these 15mm spacers are CNC-machined from high-tensile 7075-T6 forged billet aluminum alloy. The 7075 metallurgy yields exceptional yield strength and fatigue resistance, preventing thermal warping caused by extreme rotor heat soak during aggressive braking. Featuring an integrated 66.6mm hubcentric snout and chamfered back face, each spacer is designed to ensure exact centering with zero axial runout. Matched high-grade extended fasteners are included to ensure full thread engagement and maintain factory clamping force under heavy lateral G-loads.

What's Included

• Hubcentric 15mm wheel spacer kit
• Extended wheel fasteners

Technical Specifications

Compatibility

• 2015-2021 BMW M5
• 2015-2021 BMW M6
• 2015-2021 BMW M8
• 2015-2021 BMW X5
• 2015-2021 BMW X5M
• 2015-2021 BMW X6
• 2015-2021 BMW X6M
• 2015-2021 BMW X7

Frequently Asked Questions & Fitment Warnings

Does this fit the F90 M5, M6, M8, X5, X5M, X6, X6M, X7?

Yes, this is a direct fit for the 2015-2021 BMW M5, M6, M8, X5, X5M, X6, X6M, and X7 platforms equipped with the S63, N63, or B58 engines. Note: This kit is distinct from and does NOT fit the G90/G99 2025+ M5 platform. Always verify your vehicle hub bore, bolt pattern, and inner fender clearance prior to ordering.

Are extended lug bolts included with this 15mm spacer kit?

Yes, the package includes matched extended fasteners specifically sized to account for the additional 15mm thickness and restore safe factory thread engagement.

The BMW Precision Standard

Modern BMW M and SAV chassis demand zero-tolerance engineering to maintain steering feedback, suspension geometry, and high-speed stability without triggering dynamic chassis imbalance.