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, used component from the Rims category, designed for installation on the rear axle of selected BMW 3 and 4 Series models. The aluminum construction ensures a favorable strength-to-weight ratio, and the rim's geometric parameters have been designed for the factory BMW suspension, which promotes stable handling and predictable performance of the chassis system.

Specifications and technical data

• SKU: 7845881-7
• 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

The rim has been designed as an OEM component for the BMW F30, F31, and F32 platforms, taking into account the characteristics of the rear axle of these models. The properly selected width, diameter, and offset translate into correct wheel arch filling, maintenance of factory suspension geometry, and proper vehicle handling during daily use and dynamic driving.

By maintaining the original mounting parameters, the rim works with factory hubs and braking systems, which facilitates installation and reduces the risk of improper wheel seating. This is a particularly beneficial solution for users who want to maintain stylistic and technical consistency with other body and suspension components.

Construction and design parameters

The rim is made of aluminum, which allows for a reduction in unsprung mass compared to classic steel rims. A lighter wheel promotes better suspension response to bumps, improves ride comfort, and can positively influence the operation of the steering and braking systems.

The rim size has been selected for typical tire configurations used in the BMW F-series, ensuring an adequate contact patch between the tire and the road surface. The applied bolt pattern and diameter of the mounting holes allow for direct installation on BMW hubs without the need for adapters, which increases operational safety and reduces additional costs.

Benefits of using an original aluminum rim

Choosing an original BMW aluminum rim brings a number of practical advantages:

• Technical consistency – the rim is designed for specific BMW models, which helps maintain factory handling parameters.
• Aesthetics in line with the model line – the rim's design complements the F-series body, emphasizing the car's character.
• Compatibility with the braking system – the properly selected shape and depth of the rim provide space for brake calipers and discs.
• Possibility of using standard accessories – the rim works with typical BMW elements, such as pressure sensors or center caps (if provided in the given configuration).

Thanks to these features, the rim will work well both as a replacement for a damaged wheel and as a component to complete a set of rims for a car used on a daily basis.

Characteristics of the used product

The rim comes from the secondary market, which allows for cost reduction compared to new components while maintaining the original BMW specification. A used component is a reasonable choice for drivers who want to restore the full functionality of the chassis system after damage to one of the rims or to complete a set of seasonal wheels without overstretching the budget.

Before installation, a standard service check is recommended, including verification of runout, airtightness, and potential wheel balancing after mounting the tire. Such an approach allows you to fully utilize the rim's potential and ensure safe operation in the long term.

BMW Rims – expansion and modernization

If you are planning a comprehensive repair or modernization 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.

When choosing used rims, it is worth paying attention to the selection process, condition assessment, and regeneration possibilities. A detailed discussion of these issues can be found in the article Used rims like new: a guide to buying and refurbishing aluminum rims, which will help you make an informed purchasing decision and plan any renovation work.

If you are interested in a broader context of saving on car service using parts from the secondary market, practical tips can also be found in the guide Rising repair costs and the boom in used parts – how to save on car service?, where strategies for safely using used OEM components are discussed.