BMW F20 F21 Rear Black Alloy Wheel Rim 18" ET:52 8J M Double Spoke 461 7846785

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW F20 F21 Rear Black Alloy Wheel Rim 18" ET:52 8J M Double Spoke 461 is an original M-line alloy wheel designed for the rear axle of 1-series F20/F21 models. Thanks to its precise OEM construction and sporty character, it provides a solid foundation for building a stable, predictable handling system and an aesthetic wheel set for your BMW. This is a solution for drivers who expect both technical correctness and a cohesive look for their vehicle.

Specifications and technical data

• SKU: 7846785-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7846785
• Substitutable numbers: 36117846785, 7846785, 36117846784, 7846784
• Location on the vehicle: Rear
• Color: Silver
• Rim diameter: 18"
• Rim width: 8
• Offset (ET): 52
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Technical characteristics of the BMW M wheel

The presented wheel belongs to the Wheels category and is made of a lightweight aluminum alloy, which helps reduce unsprung mass and improve suspension response. The design is intended for rear axle mounting, which is important for maintaining proper geometry and load distribution in rear-wheel drive or xDrive BMW vehicles. The bolt pattern and diameter are consistent with the standard used in many BMW models, facilitating hub fitment and ensuring secure wheel seating.

The diameter and width parameters of the wheel have been selected to allow for the installation of sports-profile tires, typical for M versions and aerodynamic packages. A properly selected offset supports correct wheel arch filling, reduces the risk of rubbing against suspension components, and simultaneously allows for maintaining the factory handling characteristics.

Purpose and fitment for BMW F20/F21

The wheel was designed for BMW 1-series F20 and F21 models equipped with the M package or styled as sports versions. Its placement on the vehicle, specified as rear, allows for use in staggered configurations (wider rear, narrower front), often found in higher-power cars. This allows for better traction during dynamic acceleration and more neutral vehicle behavior in corners.

The wheel color is a silver finish, which blends well with both light and dark body paints. This shade is practical for everyday use while emphasizing the technical, understated character of original BMW M wheels. The aluminum construction promotes effective heat dissipation from the braking system, which is important during more intensive use.

Construction, material, and mounting parameters

The aluminum wheel combines appropriate stiffness with relatively low weight, which translates into steering precision and driving comfort. The number of mounting holes and their diameter are adapted to factory BMW hubs, making it possible to use standard bolts and mounting accessories provided by the vehicle manufacturer. This configuration minimizes the risk of improper wheel seating and facilitates service.

The wheel diameter allows for the installation of modern low-profile tires, and the rim width promotes stable tread positioning, which is significant at higher speeds and during dynamic driving. A properly selected offset supports maintaining the correct wheel line relative to the body, which is important for both aesthetics and the performance of the suspension and steering system.

Condition, application, and benefits of choosing a used wheel

The wheel is offered as a used original BMW part, which means it comes from disassembly and retains its factory geometry and material characteristics. For many users, this is a reasonable compromise between purchase cost and maintaining original quality and fitment. Choosing an OEM wheel from the secondary market allows you to maintain a consistent look for the car, especially when the goal is to complete a set or replace a single damaged wheel.

If you want to better understand what to look for when buying second-hand wheels and how to approach their refurbishment, it is worth checking out the guide: Used wheels like new: a guide to buying and refurbishing alloy wheels. You will find practical tips there regarding condition assessment, refurbishment, and safe use of alloy wheels.

Expanding your BMW wheel set

If you are planning a comprehensive repair or upgrade of the wheel and suspension area in your BMW and need other elements from the same group, such as additional rims, seasonal sets, or wheels of a different size for the same model, check the available parts in the BMW Wheels category.

By choosing original BMW alloy wheels, you gain stylistic consistency with the rest of the vehicle and predictable vehicle behavior in various road conditions. This is a particularly beneficial solution for drivers who expect to maintain factory handling parameters while wanting to optimize costs by choosing a proven used part.