BMW F30 F31 F32 Rear 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 F32 Rear Wheel Alloy Rim 18" 8,5J ET:47 M Star Spoke 400 is an original component from the Rims category, designed for installation on the rear axle of BMW F-series vehicles. The aluminum construction ensures a favorable strength-to-weight ratio, while precise technical parameters guarantee proper handling and vehicle stability.

Specifications and technical data

• SKU: 7845881-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845881
• Substitutable numbers: 36117845881, 7845881
• 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

Purpose and BMW compatibility

The presented rim has been designed specifically for installation on the rear axle of BMW F-series models, which translates into proper load distribution and compliance with factory suspension specifications. As a result, the handling precision characteristic of BMW and the car's predictable behavior in corners are maintained.

Mounting parameters, such as the bolt pattern and center bore diameter, are adapted to standard BMW hubs, which facilitates installation and minimizes the risk of improper rim seating. This solution is suitable both for replacing a damaged rim and for planned wheel set upgrades aimed at a more dynamic appearance.

Aluminum construction and driving characteristics

The rim, made of aluminum, provides favorable rigidity while reducing unsprung mass. This translates into better suspension response, more precise handling, and clearer road feedback, which is particularly noticeable at higher speeds.

The 18-inch diameter, combined with an appropriately selected rim width, allows for the use of tires with a sporty profile, which improves traction and lateral stability. The optimized offset promotes correct wheel positioning relative to the wheel arch, reducing the risk of rubbing against suspension components while maintaining factory geometry.

Mounting parameters and stability

The rim uses five mounting holes, which is standard for many BMW models and ensures even force distribution to the hub. The properly selected center bore diameter allows for secure seating of the rim on the hub, which is crucial for eliminating vibrations and maintaining driving comfort.

Mounting parameters configured in this way allow for seamless compatibility with factory brake and suspension components, without the need for spacers or non-standard solutions. This is a practical solution for users expecting predictable installation and the preservation of factory driving characteristics.

Performance characteristics of a used rim

The rim comes from the used BMW parts segment, which allows for reduced operating costs while maintaining the manufacturer's original specifications. This type of component is a good choice for post-accident repairs, replacing a single damaged rim, or gradually upgrading a set of wheels.

Thanks to the preservation of factory mounting and dimensional parameters, the rim will perform well in both daily use and more dynamic driving, provided that tires are correctly selected and the technical condition of the entire wheel set is regularly checked.

Expanding your BMW wheel set and technical knowledge

If you are planning a comprehensive repair or upgrade of the wheel area in your BMW and need other components from the same group, such as additional rims, seasonal sets, or rims with similar parameters, check the available parts in the BMW Rims category.

When choosing a used rim, it is worth knowing the basic principles of assessing its condition, selecting parameters, and the possibilities of refurbishment. Detailed information on this topic can be found in the article Used rims like new: a guide to buying and refurbishing alloy rims, which practically discusses technical and operational issues related to alloy rims.