Description
BMW F30 F31 Black Aluminum Wheel 18″ 8.5J 7845881 is an original rear alloy wheel, specifically designed for 3 Series models, providing precise handling and a cohesive look with factory BMW styling. The black finish gives the rim a distinct, dynamic character, while the robust aluminum construction supports the car’s stability at higher speeds. This is a solution for drivers who want to maintain factory driving parameters while emphasizing their car’s sporty profile.
Specifications and technical data
- SKU: 7845881-8
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7845881
- Substitutable numbers: 36117845881, 7845881, 51377119177, 7119177
- Location on the vehicle: Rear
- Rim diameter: 18″
- Rim width: 8.5
- Offset (ET): 47
- Hole diameter: 120
- Number of holes: 5
- Rim material: Aluminium
- Category: Rims
Intended Use and Fitment for BMW F30 / F31
The presented wheel has been developed as a rear axle component for the F30/F31 generation 3 Series, ensuring correct suspension geometry and compatibility with the braking and drivetrain systems. Thanks to factory mounting parameters, the wheel works with original BMW hubs, ensuring proper seating and predictable car behavior in corners.
The appropriately selected rim width promotes stable handling while allowing for the installation of sport-profile tires, which will be appreciated by drivers who prefer precise steering response. Maintaining factory dimensions reduces the risk of rubbing against the wheel arches and simplifies configuration with the standard suspension.
Aluminum Construction and Driving Characteristics
The wheel is made of aluminum, which translates to a favorable strength-to-weight ratio. A lighter rim compared to steel equivalents reduces unsprung mass, improving suspension response to uneven surfaces and increasing driving comfort. At the same time, adequate stiffness is maintained, which is important for dynamic driving.
The bolt pattern and hole diameter have been adapted to BMW standards, guaranteeing secure mounting on the hub and even load distribution. The five-bolt mounting system promotes even force distribution, which is important for both the durability of the wheel and user safety.
Visual Characteristics and Practical Application
The black, aluminum rim complements the BMW F30/F31 body in various color configurations, emphasizing the car’s sporty and modern character. This type of finish visually enlarges the wheel and gives the vehicle’s silhouette a more dynamic appearance, especially when combined with a lower-profile tire.
A wheel from this series will perform well in both daily driving and more demanding conditions where consistent car behavior and predictable suspension performance are important. The understated yet distinctive styling allows it to be used in both standard configurations and with minor visual modifications.
Why Choose an Original BMW Wheel
An original BMW wheel from the Wheels category offers, above all, certainty of fitment for a specific vehicle platform, without the need for spacers or non-standard bolts. A design engineered for specific models reduces the risk of vibrations, uneven tire wear, and undesirable changes in suspension geometry.
Choosing such a rim is particularly beneficial when replacing a single wheel after mechanical damage or when restoring the car to a factory-like configuration. Stylistic and technical consistency with other drivetrain components facilitates maintaining a high level of safety and predictable traction characteristics.
If you are planning a comprehensive repair or upgrade of the wheel and tire area on your BMW and need other parts from the same group, such as additional rims, seasonal sets, or axle configuration kits, check the available parts in the BMW Wheels category.
Used Wheels – How to Buy and Care for Aluminum Rims Wisely
When choosing a used aluminum wheel, it is worth paying attention to the surface condition, any signs of previous repairs, and the overall geometry of the rim. A correctly selected and verified wheel can significantly reduce costs compared to new parts while maintaining high usability.
If you want to better understand the process of selecting, evaluating, and potentially refurbishing alloy rims, a guide on our blog will be helpful: Used Wheels Like New: A Guide to Buying and Refurbishing Aluminum Rims. There you will find practical tips on visual inspection, common damages, and options for restoring rims to an attractive appearance.
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