BMW F20 Front Ferric Grey Wheel Alloy Rim 18" M Double Spoke 436 7,5J 7845870

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 Front Ferric Grey Wheel Alloy Rim 18" M Double Spoke 436 7,5J is an original M-line front alloy rim designed for BMW F20 series models. Featuring an elegant, dark finish and the characteristic double-spoke design, it is an attractive solution for drivers seeking a factory look combined with precise technical parameters. By maintaining OEM specifications, the rim ensures proper handling and a consistent character of the BMW chassis.

Specifications and technical data

• SKU: 7845870-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845870
• Substitutable numbers: 36117845870, 7845870
• Location on the vehicle: Front
• Color: Black
• Rim diameter: 18"
• Rim width: 7.5
• Offset (ET): 45
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Design characteristics and purpose

The presented rim belongs to the Wheels category and is designed as a component for the front axle of the vehicle. The aluminum construction helps reduce unsprung mass, which translates into more precise steering response and more stable vehicle behavior at higher speeds. The M Double Spoke 436 pattern stands out with its dynamic styling, which complements the body lines of the BMW F20 well.

The rim has a specific diameter, width, offset, bolt pattern, and number of mounting holes, which allows for proper seating on the hub and safe interaction with the braking system. The dark color scheme gives the wheel a subdued yet expressive look that pairs well with both light and dark body paints.

Mounting parameters and compatibility

The rim is prepared for installation in BMW vehicles that are designed to use alloy wheels with appropriately selected diameter, width, and bolt pattern. Thanks to the correctly chosen offset, it is possible to maintain the factory suspension geometry and proper wheel arch filling without interfering with the vehicle's structural elements.

The bolt pattern and number of mounting holes are adapted to the standards used by BMW, which facilitates direct replacement of the rim without the need for spacers or non-standard bolts. The aluminum material of the rim provides a favorable strength-to-weight ratio while allowing for precise wheel balancing after tire installation.

Benefits of choosing an original BMW rim

Choosing an original M Double Spoke 436 rim primarily ensures consistency with the vehicle's factory specifications. Properly selected mounting parameters minimize the risk of vibration, uneven tire wear, or improper suspension operation. Additionally, maintaining the original BMW design positively affects the vehicle's value and visual appeal.

The used rim is a reasonable compromise between cost and quality – it allows you to restore the vehicle to a configuration close to factory standards without the need to invest in new components. This is a good solution both when replacing a single damaged rim and when gradually upgrading a set of wheels.

Practical tips for buying used rims

When choosing a used alloy rim, it is worth paying attention to the compatibility of mounting parameters with the vehicle, the condition of the working surfaces, and the possibility of proper wheel balancing after tire installation. It is also good practice to familiarize yourself with the principles of rim refurbishment and maintenance to maximize their lifespan and maintain an aesthetic appearance.

If you want to better understand what to look for when buying rims on the secondary market and how the refurbishment process works, check out our guide Used rims like new: a guide to buying and refurbishing alloy wheels, where you will find practical tips regarding alloy wheels.

Expanding your BMW wheel configuration

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