BMW F20 F21 F22 F23 Wheel Alloy Rim 18" M Double Spoke 436 ET:52 8J Grey 7845871

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F22 F23 Wheel Alloy Rim 18" M Double Spoke 436 ET:52 8J Grey is an original BMW rim designed for 1-series and 2-series models with the M package. The grey aluminum construction provides an attractive appearance, while precisely selected geometric parameters ensure proper handling and vehicle stability. This is a proposal for drivers who want to maintain the factory character of the car while ensuring a solid, proven solution.

Specifications and technical data

• SKU: 7845871-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845871
• Substitutable numbers: 36117845871, 7845871
• Color: Grey
• Rim diameter: 18"
• Rim width: 8
• Offset (ET): 52
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and fitment for BMW

The rim has been designed for BMW F20, F21, F22, and F23 models in M versions, which means it is fully compatible with factory suspension and chassis specifications. The rim construction complies with the manufacturer's requirements regarding load capacity, rigidity, and compatibility with the braking systems used in the sports variants of these models.

By maintaining the correct mounting parameters, the rim works with factory hubs and suspension components, which reduces the risk of vibrations, uneven tire wear, or incorrect geometry. This is particularly important in cars with a dynamic character, where steering precision and predictable behavior in corners are of key importance.

Construction, material, and color

The rim belongs to the Wheels category and is made of a lightweight aluminum alloy, which allows for the reduction of unsprung mass compared to traditional steel solutions. The lower weight of the rim promotes better suspension response to bumps and improves perceived dynamics during acceleration and braking.

The grey finish of the rim gives the car a subdued yet distinctly sporty character, blending well with both light and dark body colors. This type of color scheme is practical for everyday use – it optically masks minor dirt and typical signs of wear, while simultaneously highlighting the body lines and the M styling package.

Geometric parameters and driving characteristics

The rim has a specific diameter, width, offset, and number of mounting holes, which translates into stable seating on the hub and proper load distribution. The used bolt pattern and hole diameter ensure secure mounting, and the properly selected offset supports the correct operation of the suspension and steering system.

A rim configured in this way allows for the installation of tires with a sports profile, typical for M versions, ensuring good traction and predictable car behavior at higher speeds. The aluminum construction also promotes more efficient heat dissipation from the braking system, which is important during more intensive driving.

Condition, application, and benefits of choosing a used rim

The rim is in used condition, which allows for combining a reasonable purchase cost with maintaining the original BMW specification. This is a good solution for drivers who want to replace a single damaged rim, complete a set, or prepare a separate set of wheels, e.g., for seasonal tires, without the need to invest in new components.

Choosing an original, used aluminum rim is also a way to maintain a consistent look for the car – the pattern and proportions of the rim remain consistent with the factory styling line, which is important both aesthetically and for the potential resale of the vehicle. For many users, this is a compromise between OEM quality and an economical approach to maintenance.

More about purchasing and refurbishing aluminum rims

If you are considering purchasing a used rim or completing a set of wheels for your car and want to better understand the process of selection, condition assessment, and potential renovation, it is worth checking out practical tips. Detailed information can be found in the article Used rims like new: a guide to purchasing and refurbishing aluminum rims, which discusses key aspects related to aluminum rims.

If you are planning a comprehensive repair or upgrade of the chassis area in your BMW and need other components from the same group, such as additional rims, seasonal wheel sets, or alternative rim patterns, check out the available parts in the BMW Wheels category.