BMW F30 F31 Rear Grey Wheel Alloy Rim 18" 8,5J ET:47 M Star Spoke 400 7845881

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F30 F31 Rear Grey Wheel Alloy Rim 18" 8,5J M Star Spoke 400 is an original item from the Wheels category, designed for installation on the rear axle of BMW F-series vehicles. The aluminum construction and precisely selected geometric parameters ensure stable handling, predictable vehicle behavior, and an aesthetic, grey appearance matched to the body styling.

Specifications and technical data

• SKU: 7845881-11
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845881
• Substitutable numbers: 36117845881, 7845881
• Location on the vehicle: Rear
• Color: Grey
• Rim diameter: 18"
• Rim width: 8.5
• Offset (ET): 47
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and fitment for BMW F30 F31 F32

The presented rim has been designed as a rear axle component for BMW F30, F31, and F32 models, which translates into proper load distribution and compatibility with the factory suspension geometry. By maintaining the original mounting parameters, the rim works with stock hubs, braking systems, and factory safety systems such as ABS or traction control.

The grey color of the rim blends well with both light and dark body paints, allowing for a consistent, understated style typical of BMW. The aluminum material of the rim helps reduce unsprung mass, which can positively influence suspension response and steering precision.

Construction and technical parameters

The rim is made of aluminum, which provides a favorable strength-to-weight ratio and resistance to typical operational loads in premium class cars. The applied bolt pattern and diameter of the mounting holes allow for secure seating on the hub, and the number of mounting points promotes even force distribution while driving.

The rim geometry has been selected to maintain the appropriate tire width, proper wheel fitment in the wheel arch, and safe clearance relative to suspension and braking system components. The properly selected offset promotes stability at higher speeds and predictable vehicle behavior in corners.

Benefits of using the BMW alloy rim

Using an original BMW alloy rim allows you to maintain the vehicle's factory driving characteristics without the risk of improper fitment typical of aftermarket replacements of uncertain origin. The rim from this series has been designed to operate in demanding road conditions while maintaining high ride quality and appropriate structural rigidity.

Key advantages include:

• maintaining factory suspension and steering geometry,
• consistent, grey appearance matched to the BMW F30/F31/F32 styling,
• aluminum construction promoting the reduction of unsprung mass,
• secure mounting thanks to properly selected mounting hole parameters.

Performance characteristics and practical application

The 18" 8,5J alloy rim for BMW F30 F31 F32 will perform well in both daily city driving and highway travel, where track stability and steering precision are of key importance. The appropriate rim width allows for the use of tires with a profile that provides a compromise between comfort and grip, which is significant for the dynamic characteristics of the BMW drivetrain.

The used nature of the product allows for the economical restoration of an original wheel set or the replacement of a single damaged rim without the need to purchase a complete set. It is a practical solution for post-accident repairs, correcting damage after hitting a curb, or restoring the car to a condition close to factory specifications.

Technical support and additional information

To fully utilize the potential of this rim, it is worth paying attention to the correct selection of tires, proper operating pressure, and regular wheel balancing, which translates into ride comfort and the durability of suspension components. In case of doubts regarding the installation or refurbishment of the rim, a guide describing the process of selecting and refreshing alloy rims will be helpful – detailed tips can be found in the article Used rims like new: a guide to buying and refurbishing alloy rims.

If you are planning a comprehensive repair or upgrade of the wheel and tire area in your BMW and need other components from the same group, such as additional rims, wheel sets, or compatible size configurations, check out the available parts in the BMW Wheels category.