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 8J ET:34 is an original Styling 400 alloy rim, designed specifically for BMW 3 Series F30/F31 models. Thanks to precisely selected geometric parameters and a robust construction, it provides a functional foundation for a stable, predictable driving system while maintaining the dynamic style characteristic of BMW.

Specifications and technical data

• SKU: 7845880-2
• 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

Purpose and fitment for BMW F30/F31

The Styling 400 rim was developed as a factory styling and technical solution for the BMW 3 Series F30/F31 generation. The properly selected width, diameter, and mounting parameters allow for maintaining the correct suspension geometry, which translates into predictable handling, stability at higher speeds, and proper operation of safety systems.

The original rim construction ensures proper tire seating, even load distribution, and compatibility with factory brake and suspension components. This is a particularly beneficial solution for users who want to maintain the technical consistency of the vehicle with the manufacturer's specifications.

Construction, material, and geometric parameters

The rim belongs to the Wheels category and is made of a lightweight aluminum alloy, which helps reduce unsprung mass compared to steel rims. The use of aluminum promotes better suspension response to road irregularities and can positively influence ride comfort and steering precision.

The geometric parameters of the rim – diameter, width, offset, bolt pattern, and center bore – have been selected to ensure:

• proper wheel seating in the wheel arch without interfering with the bodywork,
• adequate space for brake system components,
• stable load transfer during braking and acceleration,
• trouble-free installation on hubs designed for this generation of BMW.

As a result, the rim performs well both in daily city driving and during more dynamic highway travel.

Performance characteristics of the alloy rim

The aluminum construction of the rim promotes effective heat dissipation from the braking system, which is important during frequent braking or highway driving. At the same time, the rim maintains adequate rigidity, which helps to limit unwanted deflection under heavier loads.

Styling 400 is a design that combines functionality with aesthetics – the multi-spoke form of the rim emphasizes the body lines of the BMW F30/F31, while also facilitating visual inspection of the brake discs and pads. It is a practical solution for drivers who value both technical and visual aspects.

Condition, application, and benefits of choosing an original rim

The rim is a secondary market item, which allows for the economical restoration of a complete wheel set or the replacement of a single damaged rim while maintaining the stylistic consistency of the car. Choosing an original BMW alloy rim reduces the risk of fitment issues typical of aftermarket replacements of uncertain origin.

The main benefits of using this rim include:

• maintaining factory handling characteristics thanks to mounting parameters consistent with the manufacturer's design,
• a consistent vehicle appearance in line with the BMW F30/F31 styling,
• the ability to replace a single rim without the need to change the entire set,
• easier resale of the car with original wheel components preserved.

Configuration expansion and technical knowledge

If you are planning a comprehensive repair or upgrade of the driving zone in your BMW and need other components from the same group, such as additional rims, seasonal sets, or rims with similar styling, check out the available parts in the BMW Wheels category.

For users considering purchasing rims from the secondary market or refreshing their existing wheels, a valuable addition to your knowledge would be a guide describing the process of selecting, evaluating, and refurbishing alloy rims – details can be found in the article Used rims like new: a guide to buying and refurbishing alloy wheels.