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

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F22 F23 Ferricgrey Wheel Alloy Rim 18" M Double Spoke 436 ET:52 8J is an original M-line alloy rim, designed specifically for the compact BMW F-series models. The distinctive M Double Spoke styling combined with a grey finish provides a sporty yet understated look that complements both light and dark body colors well. This is a solution for drivers who expect precise handling and stylistic consistency with factory M packages.

Specifications and technical data

• SKU: 7845871-4
• 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

M Double Spoke rim design and construction

The presented rim belongs to the Wheels category and represents the characteristic BMW multi-spoke M Double Spoke pattern. This spoke geometry promotes even load distribution, which translates into stable handling at higher speeds and during dynamic maneuvers. The grey finish of the rim emphasizes the car's sporty character while effectively masking typical operational dirt, which is practical for everyday use.

The aluminum construction of the rim provides a favorable strength-to-weight ratio, which helps reduce the vehicle's unsprung mass. In practice, this means more precise steering response and better tire-to-road contact, which is particularly noticeable in cars with sporty suspension characteristics.

Mounting parameters and compatibility

The rim has been designed for BMW F20, F21, F22, and F23 models, which facilitates selection in terms of suspension geometry and wheel arch clearance. The applied mounting parameters – including the bolt pattern and hole diameter, number of mounting points, offset, and rim width – are adapted to the factory requirements of these models, allowing for the maintenance of the correct body line, appropriate ground clearance, and proper operation of the steering and suspension systems.

Thanks to its well-thought-out width and diameter, the rim works well with popular tire sizes used in compact BMWs, enabling configurations that are both more comfortable and focused on handling precision. A properly selected offset helps maintain factory geometry, which is important for the durability of suspension components and vehicle stability during braking and cornering.

Material and performance properties

The aluminum rim is characterized by favorable rigidity at a relatively low weight, which supports suspension performance and improves response to road irregularities. The aluminum material also facilitates potential regeneration processes, such as straightening or paint coating restoration, which is important for long-term use. The grey color of the rim ensures an aesthetic appearance while being more visually resistant to minor signs of use than high-gloss finishes.

The arrangement of the mounting holes and their diameter are adapted to factory BMW bolts, which facilitates installation and minimizes the risk of fitment issues. This configuration also promotes even load transfer from the hub to the rim, which is significant for the durability of the entire running gear.

Practical application and benefits of choosing

The grey M Double Spoke alloy rim will work well both as a replacement part after damage to a factory wheel and as a way to visually complete a set of wheels in cars equipped with an M package or sports suspension. Choosing an original design dedicated to specific BMW models limits the risk of problems with rubbing against the wheel arch, improper tire seating, or incorrect steering system operation.

For users who value precise handling and the aesthetics characteristic of the BMW brand, such a rim represents a reasonable compromise between sporty appearance, functionality, and the possibility of further use or potential regeneration. It is a practical solution for accident repairs, replacing a single wheel, or completing a set of seasonal wheels.

If you are planning a comprehensive repair or upgrade of the running gear in your BMW and need other components from the same group, such as additional rims, wheel sets, or wheels with similar styling, check out the available parts in the BMW Wheels category.

To better assess the potential of purchasing items from this group and the possibilities for refreshing them, it is worth reading the guide on our blog: Used wheels like new: a guide to buying and refurbishing alloy wheels, where you will find practical tips on selecting, inspecting, and refurbishing alloy wheels.