BMW F80 M3 F82 F83 M4 Rear Wheel Rim 20" ET:40 10J M Star Spoke 666M

BMW F80 M3 F82 F83 M4 Rear Wheel Rim 20" ET:40 10J M Star Spoke 666M is an original component from the Rims category, designed specifically for the rear axle of BMW M-series sports models. The rim construction ensures precise handling, stability at high speeds, and consistency with the factory suspension geometry of these vehicles.

Specifications and technical data

• SKU: 8090193-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8090193
• Substitutable numbers: 36108090193, 8090193, 36108090195, 8090195
• Location on the vehicle: Rear
• Rim width: 10
• Offset (ET): 40
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and compatibility with BMW M3 / M4

The presented rear rim has been developed for demanding drivers of BMW F80 M3 and F82/F83 M4 models, where precise torque transfer and confident cornering are essential. The appropriately selected width, offset, and bolt pattern guarantee proper wheel fitment in the wheel arch, maintenance of factory handling characteristics, and compatibility with the braking system and suspension of these M versions.

Thanks to the factory design, the rim works seamlessly with traction and stability control systems without introducing unwanted changes to the vehicle's electronics. This is a particularly beneficial solution for users who want to maintain factory driving parameters while preserving the car's sporty character.

Construction, material, and mounting parameters

The rim is made of aluminum, which allows for an optimal strength-to-weight ratio, crucial in high-performance cars. The material used helps reduce unsprung mass, which translates into better suspension response and more predictable vehicle behavior during dynamic driving.

The rim features five mounting points and a precisely matched diameter and bolt pattern, ensuring stable seating on the hub and correct load transfer. The width and offset parameters have been selected to allow for the installation of sports-profile tires, typical for M3 and M4 models, without interfering with the bodywork or suspension components.

Performance characteristics and application

As a rear axle component, the M Star Spoke 666M rim is responsible for transferring high torque to the road surface and stabilizing the vehicle during acceleration and braking. The rim design is optimized for:

• ensuring the appropriate tire contact patch with the road surface,
• maintaining stability at high speeds,
• efficient load distribution from the drivetrain,
• maintaining proper wheel geometry on the rear axle.

Thanks to these features, the rim will perform well both in daily use and in more demanding conditions, where consistent vehicle behavior and predictable reactions to steering inputs and load changes are key.

Condition, origin, and benefits of choosing a used rim

The offered rim is a used component, which allows for lower purchase costs compared to a new part while maintaining the manufacturer's original specifications. For many BMW M3 and M4 users, this is a sensible way to restore a complete set of wheels after damaging one rim or to complete a set of wheels intended, for example, for a second set of tires.

Choosing an original, used aluminum rim is also beneficial from the perspective of visual and technical compatibility – the rim retains the factory M Star Spoke 666M design, ensuring it remains consistent with the other wheels and the overall styling of the vehicle.

Technical support and additional information

The rim belongs to the Rims category, which facilitates the selection of other wheel system components, such as tires or mounting accessories, in accordance with the requirements of BMW M-series models. If necessary, compatibility with a specific vehicle equipment version can be verified using the vehicle's technical data and the manufacturer's specifications.

If you are planning a comprehensive repair or upgrade of the wheel and suspension area in your BMW and need other components from the same group, such as additional rims, wheel sets, or rims with different widths, check out the available parts in the BMW Rims category.

If you are considering purchasing rims from the secondary market or want to better understand the process of refurbishing and preparing aluminum rims for further use, you will find useful information in the article Used rims like new: a guide to buying and refurbishing aluminum rims, which discusses key aspects of selecting and refurbishing this type of component.