BMW F30 F31 F32 F33 Black Wheel Alloy Rim 19" M Star Spoke 403 ET:47 8,5J

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW F30 F31 F32 F33 Black Wheel Alloy Rim 19" M Star Spoke 403 ET:47 8,5J is an original M-line alloy rim designed for BMW 3 and 4 Series models. The black finish of the rim highlights the car's dynamic character, while the construction, compliant with BMW standards, ensures a precise fit to the chassis. It is an attractive choice for drivers looking for a sporty look, improved rim rigidity, and consistency with the factory BMW design.

Specifications and technical data

• SKU: 7850021-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7850021
• Substitutable numbers: 7850021, 36117850021
• Color: Black
• Rim diameter: 19"
• Rim width: 8.5
• Offset (ET): 47
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Technical characteristics of the BMW M Star Spoke 403 rim

The presented rim belongs to the Wheels category and is made of a lightweight aluminum alloy, which helps reduce unsprung mass and improves suspension response to road irregularities. The rim profile is tailored to the requirements of BMW F30, F31, F32, and F33 models, which translates into stable handling and predictable vehicle behavior at higher speeds.

The structural parameters of the rim have been selected to maintain proper suspension geometry, correct wheel offset in the wheel arch, and compatibility with factory BMW braking systems. The bolt pattern and diameter of the mounting holes are consistent with the standard for this generation, ensuring installation without the need for adapters or modifications.

Design, color, and purpose

The black 19" alloy rim gives the vehicle a distinctly sporty yet understated look, which complements both light and dark body colors. The M Star Spoke 403 styling emphasizes the body lines of the 3 and 4 Series, visually enhancing the character of sport versions and M packages.

The rim was designed for daily use, but its parameters also support dynamic driving. The properly selected rim width allows for the use of low-profile sport tires, which improves traction and steering precision. At the same time, the aluminum construction provides a favorable compromise between durability and weight.

Benefits of using an original BMW rim

Using an original BMW rim instead of aftermarket replacements offers a number of practical benefits. The rim is designed for a specific vehicle platform, which means:

• maintaining proper suspension geometry and predictable handling,
• reliable cooperation with factory braking system components,
• visual consistency with other M styling elements,
• easier verification of compliance with BMW service documentation.

For users who want to refresh the look of their car or restore it to a configuration close to factory specifications, this rim is a functional and aesthetic solution that helps maintain the vehicle's high value and original character.

Practical application and selection of other wheels

The rim will work well both as part of a summer or winter wheel set and as a replacement for a single damaged rim in an existing M Star Spoke 403 set. Thanks to the preservation of factory mounting parameters, it is possible to combine it seamlessly with other wheels of the same type, which facilitates even tire wear and vehicle stability.

In the case of configuring a car with larger, low-profile tires, a properly selected alloy rim helps limit lateral tire deformation and improves the precision of steering response. This is particularly important in BMW models, where the steering system is tuned for dynamic driving.

Used wheels – how to assess and maintain technical condition

The presented model is a used rim, so when choosing, it is worth paying attention to the surface condition, any signs of wear, and the history of any repairs. A properly selected and inspected rim can still offer very good performance parameters while maintaining an attractive appearance and compliance with the manufacturer's requirements.

If you want to better understand what to look for when buying second-hand wheels, how to assess their geometry, surface, and potential for refurbishment, check out the tips in the article Used wheels like new: a guide to buying and refurbishing alloy wheels. It is a practical source of knowledge that will help you make an informed purchasing decision and properly care for your set of rims.

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 wheels with a different pattern, check out the available parts in the BMW Wheels category.