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 rear alloy rim, designed specifically for 3 Series models, ensuring precise handling and a look consistent with BMW's factory styling. Thanks to its solid aluminum construction and precisely selected geometric parameters, it represents a functional solution for demanding drivers who expect confident handling and an aesthetic fit to the bodywork. This is a used item from the Rims category, intended for professional rear wheel replacement in BMW F30 and F31 vehicles.

Specifications and technical data

• SKU: 7845881-1
• 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 fitment for BMW F30 / F31

The presented rim was developed as a rear axle component for the BMW 3 Series F30 and F31, maintaining the manufacturer's factory specifications regarding suspension geometry. The appropriate rim width, diameter, and offset are selected to work in harmony with the chassis of these models, ensuring stability at higher speeds and predictable vehicle behavior in corners. The bolt pattern and mounting hole diameter allow for direct installation on the hub, without the need for spacers or adapters, which is beneficial for both safety and the durability of suspension components.

Aluminum construction and performance parameters

The rim is made of aluminum, which allows for a reduction in unsprung mass compared to classic steel solutions. A lighter rim translates into better suspension response, more precise handling, and a noticeably improved level of comfort when driving over uneven surfaces. The applied rim width and diameter allow for the installation of sports-profile tires, which promotes better road contact and improved traction on both dry and wet roads. The properly selected offset supports correct load distribution on bearings and suspension components, which is important for long-term, stable operation.

Mounting and operational characteristics

The rim is designed for mounting on the rear axle, which is important when completing a set of wheels for BMW F30 and F31 vehicles. The number and diameter of the mounting holes comply with the manufacturer's factory requirements, so the rim works with original wheel bolts and does not require any modifications to the mounting system. This configuration facilitates service, tire replacement, and seasonal wheel changes, while also reducing the risk of improper tightening or incorrect seating of the rim on the hub. The used nature of the product makes it a reasonable cost-effective solution while maintaining original BMW specifications.

Practical application and benefits of choosing OEM rims

Choosing an original alloy rim for the BMW F30 / F31 allows you to maintain the car's stylistic consistency and preserve the driving parameters intended by the manufacturer. This is particularly important for vehicles equipped with advanced traction and stability control systems, which rely on specific wheel dimensions. A used OEM rim from the Rims category is a good choice when replacing a single damaged wheel, restoring even axle load and proper operation of the drivetrain and braking system. For many users, it is also a way to maintain the vehicle's original appearance without the need to invest in a set of new rims.

If you are planning a comprehensive repair or upgrade of the chassis area in your BMW and need other components from the same group, such as additional rims, wheel sets, or alternative rim designs, check out the available parts in the BMW Rims category.

How to buy used alloy rims consciously

When choosing a used alloy rim, it is worth paying attention to the compliance of parameters with the vehicle's factory specification, the condition of the working surfaces, and any history of refurbishment. A properly selected and verified rim can successfully serve for many seasons, ensuring safe operation and an aesthetic look for the car. If you want to better understand the process of selecting, verifying, and potentially refurbishing rims, our blog guide will be helpful: Used rims like new: a guide to buying and refurbishing alloy rims.