BMW F20 F21 F22 F23 Black Wheel Alloy Rim 18" M Double Spoke 436 ET:45 7,5J

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F22 F23 Black Wheel Alloy Rim 18" M Double Spoke 436 ET:45 7,5J is an original BMW alloy rim designed for demanding users who value precise handling and the stylistic consistency of their vehicle. This used Black rim allows you to maintain the factory look of the vehicle while preserving high driving performance. It is the ideal solution for drivers looking for a reliable, technically matched component rather than random replacements.

Specifications and technical data

• SKU: 7845870-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845870
• Substitutable numbers: 36117845870, 7845870
• Color: Black
• Rim diameter: 18"
• Rim width: 7.5
• Offset (ET): 45
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and compatibility for BMW F20, F21, F22

The rim has been designed for the BMW F20, F21, and F22 series models, which ensures correct mounting parameters and proper fitment within the wheel arch. The rim construction is tailored to the suspension characteristics of these models, ensuring predictable steering response and stability at higher speeds. Using an original alloy rim helps maintain the visual consistency of the entire wheel set and compatibility with factory chassis components.

Construction, material, and color

The rim belongs to the Rims category and is made of aluminum, which provides an excellent strength-to-weight ratio and promotes precise handling. The aluminum construction reduces unsprung mass compared to steel solutions, which positively impacts suspension response and ride comfort. The Black color gives the wheel a subtle, modern look that complements both light and dark body paints, as well as sport-oriented styling packages.

Geometric parameters and driving characteristics

The rim diameter, width, offset, bolt pattern, and number of holes have been selected to work with the suspension and braking systems intended for the specified BMW models. The appropriate diameter and width allow for the installation of standard tire sizes used in the F-series, facilitating the configuration of a wheel set for daily use or more dynamic driving. Furthermore, the correctly selected offset, bolt pattern, and number of mounting holes promote proper seating on the hub, which is crucial for stability, the absence of vibrations, and even load distribution.

Practical application and benefits of choosing an alloy rim

Choosing this BMW alloy rim is a particularly beneficial solution when it is necessary to replace a single wheel after mechanical damage or to complete a set of summer or winter wheels. The aluminum construction facilitates precise wheel balancing, which translates into reduced steering wheel vibrations and comfortable driving on long distances. The used nature of the product allows for cost optimization while maintaining the manufacturer's original specifications, which is important for drivers who care about the technical integrity of their vehicle.

Condition, verification, and technical aspects

The rim is offered as a used item, which in practice means it has been in service but can still perform its function after proper installation and potential service inspection. For alloy rims, it is particularly important to check for runout, any signs of repair, and airtightness when mounting a tire – such tasks should be entrusted to a specialized tire service. The original BMW origin helps maintain appropriate dimensional tolerances, which is significant for the safety and durability of the entire wheel system.

Expanding wheel configuration and selecting other BMW rims

If you are planning a comprehensive repair or upgrade of the wheels and tires on your BMW and need other items from the same group, such as additional rims, winter season sets, or axle configuration kits, check out the available parts in the BMW Rims category.

Expert support when purchasing used rims

When choosing a used alloy rim, it is worth paying attention to aspects such as service history, potential signs of refurbishment, and the correctness of mounting parameters relative to the specific car model. For drivers who want to deepen their knowledge about purchasing and refreshing rims, a practical guide describing the selection, inspection, and refurbishment process will be helpful. Detailed tips can be found in the article Used rims like new: a guide to buying and refurbishing alloy rims, which allows you to better assess the technical condition and potential for further use of the rims.