Description
Visual condition of the part
The product shows signs of use visible in the photos.
The BMW F20 F21 F22 18″ M Double Spoke 436 Black Alloy Wheel is an original alloy wheel designed for precise handling and a cohesive look with factory M packages. The double-spoke design provides a sporty character, and the black finish accentuates the dynamic body lines.
Specifications and technical data
- SKU: 7845871-10
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7845871
- Substitutable numbers: 36117845871, 7845871
- Color: Black
- Rim diameter: 18″
- Rim width: 8
- Offset (ET): 52
- Hole diameter: 120
- Number of holes: 5
- Rim material: Aluminium
- Category: Rims
Design Characteristics of the BMW M Double Spoke 436 Wheel
This wheel belongs to the M Double Spoke 436 series, valued for its modern, sporty design and compatibility with BMW F-series models. The multi-spoke structure with double spokes has been developed to ensure favorable stress distribution and stable wheel behavior at higher speeds.
The aluminum rim is made from a lightweight alloy, contributing to reduced unsprung mass. This translates to more precise suspension response, better damping of uneven surfaces, and improved driving comfort. The black color of the wheel creates a cohesive, aggressive look with M styling packages and dark body accents.
Technical Parameters for Handling and Safety
The wheel has been specifically designed for the suspension geometry of BMW F-series vehicles, facilitating the maintenance of correct alignment and driving stability. The appropriately selected rim width supports proper tire seating, which influences:
- confident cornering – better utilization of the tire’s contact patch with the road surface,
- braking stability – even distribution of forces across the entire tread width,
- predictable vehicle behavior during dynamic driving.
The bolt pattern and center bore diameter are adapted to BMW hubs, allowing for correct wheel seating on the hub and compatibility with factory brake system components. The use of aluminum also aids in better heat dissipation from the brake area, which is important during intensive use.
Material and Durability of the Alloy Wheel
The wheel is made of aluminum, providing a favorable strength-to-weight ratio. Lightweight alloys used in BMW wheels are designed for operation in various road conditions while maintaining adequate rim stiffness. This allows the wheel to withstand loads from driving on poorer quality roads while reducing weight compared to steel wheels.
The black finish of the rim gives it a modern appearance and makes it easy to create wheel sets with dark tires and body styling elements. With proper use and regular maintenance, the paint finish retains its aesthetics for a long time, and the wheel remains an attractive visual element of the vehicle.
Application in BMW F20, F21, F22 Models
The 18″ M Double Spoke 436 Alloy Wheel has been developed for BMW F20, F21, and F22 models, ensuring compatibility in terms of suspension geometry, bolt pattern, and brake system requirements. Using an original wheel from this series maintains stylistic consistency with the M Performance line and factory aerodynamic packages.
Choosing the right wheel is important not only visually but also functionally. A properly selected rim supports:
- correct operation of safety systems (ABS, DSC, traction control),
- even tire wear by adhering to factory design specifications,
- vehicle stability during changes in load and speed.
Why Choose a Used OEM BMW Wheel
Choosing a used OEM wheel is a cost-effective solution while maintaining compliance with factory manufacturer standards. An original BMW alloy wheel provides:
- precise fitment to the hub and hardware – no need for spacers or adapter rings,
- visual consistency with other vehicle elements – design in line with BMW’s styling,
- retention of factory driving parameters – the wheel is designed for specific F-series models.
When purchasing a used wheel, it is advisable to pay attention to the surface condition, any signs of wear, and the history of any repairs. A well-chosen OEM wheel allows for an economical replacement of a damaged wheel or the completion of a summer or winter wheel set without compromising the car’s original appearance.
If you are looking for other BMW wheels to fit your model, check out our BMW wheels category, where you will find a wide selection of original alloy rims.
Planning to buy a used alloy wheel or considering refurbishing your current set? Read the guide Used Wheels Like New: A Guide to Buying and Refurbishing Alloy Wheels to consciously assess the condition of wheels and choose the optimal method for refreshing their appearance.
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