BMW F30 F31 F32 F33 Wheel Alloy Rim 18" M Star Spoke 400 8J ET:34 7845880

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F30 F31 F32 F33 Wheel Alloy Rim 18" M Star Spoke 400 is an original, stylish rim designed for the 3 and 4 series models, engineered for precise handling and a look consistent with the M line. A used rim from this series allows you to maintain the vehicle's factory character while ensuring a sporty appearance and predictable suspension behavior. This is a solution for drivers who value original BMW components and want to maintain compliance with factory specifications.

Specifications and technical data

• SKU: 7845880-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845880
• Substitutable numbers: 36117845880, 7845880
• Rim diameter: 18"
• Rim width: 8
• Offset (ET): 34
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

M Star Spoke 400 rim construction

The presented rim belongs to the M Star Spoke line, characterized by a dynamic, multi-spoke pattern that emphasizes the sporty character of the BMW F30, F31, F32, and F33 series bodywork. The applied construction ensures appropriate rim rigidity, which translates into stable handling at higher speeds and precise reactions to steering inputs.

The rim is made of a lightweight aluminum alloy, which helps reduce unsprung mass compared to classic steel rims. Lower mass promotes better suspension performance, improves ride comfort, and supports braking system efficiency, especially in cars with characteristics similar to the M Sport version.

Geometric parameters and BMW fitment

The rim geometry has been developed specifically for the BMW F-series platform, ensuring the correct wheel position in the wheel arch and compatibility with factory suspension and braking components. The appropriately selected width, diameter, and precisely chosen offset promote vehicle stability in corners and predictable behavior during dynamic driving.

The bolt pattern and center bore diameter are consistent with the typical architecture of BMW hubs in this generation, allowing for trouble-free installation on the appropriate models without the need for spacers or modifications. As a result, the rim is a plug-and-play solution for the intended models, maintaining the original design assumptions of BMW engineers.

Material and manufacturing technology

The aluminum construction of the rim provides a favorable compromise between strength and weight. The aluminum alloy used in original BMW rims is designed for daily use, taking into account the loads resulting from city driving, highway travel, and occasional more dynamic operation. The rim works well with tires of a profile typical for 18-inch configurations in BMWs, which allows for maintaining appropriate lateral stiffness and bump absorption comfort.

The surface of the rim is prepared for further use or potential visual restoration (e.g., powder coating or refinishing), which gives the possibility of adjusting the appearance to individual user preferences while maintaining an original OEM base.

Practical application and benefits of choosing a used rim

The M Star Spoke 400 rim will work well both as a replacement for a damaged rim and as an element completing a set of summer or winter wheels. Choosing a used aluminum rim allows you to significantly reduce costs compared to a new component, while maintaining compliance with the factory design and technical parameters. This is an especially attractive solution for drivers who want to maintain a consistent look for all wheels and preserve the original BMW design.

If you want to better understand what to look for when buying used rims and how to approach their restoration, it is worth checking out the guide Used rims like new: a guide to buying and refurbishing aluminum rims, which discusses key aspects of selecting and refurbishing aluminum rims.

For those who also pay attention to environmental and economic aspects, a good supplement to your knowledge will be the article Eco-driving: discover the benefits of used car parts, showing how conscious selection of used components affects the reduction of carbon footprint and operating costs.

Expanding your BMW wheel set

If you are planning a comprehensive repair or upgrade of the running gear in your BMW and need other elements from the same group, such as additional rims, wheel sets, or alternative size configurations, check out the available parts in the BMW Rims category.

Summary

BMW F30 F31 F32 F33 Wheel Alloy Rim 18" M Star Spoke 400 is an original light-alloy rim designed specifically for the F-generation 3 and 4 series models. It combines the sporty look characteristic of the M line with refined geometry that supports stability and precision in handling. Choosing a used OEM rim allows you to maintain the consistent, factory character of the car while optimizing operating costs and leaving the possibility for further visual personalization.