BMW F30 F31 Ferric Grey Wheel Alloy Rim 19" M Star Spoke 403 ET:36 8J 7850020

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F30 F31 Ferric Grey Wheel Alloy Rim 19" M Star Spoke 403 ET:36 8J is an original, stylish rim from the M Sport line, designed for the 3 Series models. The grey, alloy design perfectly highlights the dynamic character of the car, while the precise construction parameters ensure stable handling and predictable vehicle behavior. This is a proposal for drivers who want to combine a sporty look with solid driving characteristics and a fitment that meets BMW factory standards.

Specifications and technical data

• SKU: 7850020-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7850020
• Substitutable numbers: 36117850020, 7850020
• Color: Grey
• Rim diameter: 19"
• Rim width: 8
• Offset (ET): 36
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and characteristics of the BMW F30 F31 Ferric Grey Wheel Alloy Rim 19" M Star Spoke 403

The presented alloy rim was designed for the BMW 3 Series F30 and F31 models with the M Sport package. The rim construction is adapted to the requirements of these vehicles' suspension systems, which helps maintain proper suspension geometry and optimal tire performance. The grey finish gives the wheel a subdued yet clearly sporty character, which complements both light and dark body colors well.

Construction, material, and mounting parameters

The rim is made of a lightweight aluminum alloy, which allows for a reduction in unsprung mass compared to traditional steel solutions. This translates into better suspension response, more precise handling, and higher driving refinement. The applied diameter, width, offset, bolt pattern, and center bore are in accordance with BMW standards for this reference, allowing the rim to work with factory hubs and braking system components without the need for additional adapters.

The five-hole mounting pattern ensures even load distribution on the hub, and the properly selected offset supports correct wheel seating in the wheel arch. The aluminum construction also facilitates heat dissipation from the brake area, which is important during dynamic driving and frequent braking.

Benefits of using the BMW F30 F31 Ferric Grey Wheel Alloy Rim 19" M Star Spoke 403

Using this rim on a BMW F30 or F31 allows for a significantly more aggressive side profile of the vehicle and improves the visual proportions of the body. A rim of this diameter fills the wheel arch well, which emphasizes the low-slung, sporty profile of the car. At the same time, compatibility with the suspension and braking systems intended for the M Sport version is maintained, which promotes stability at higher speeds.

Key advantages of this rim include:

• attractive, sporty design matched to the M Sport styling,
• aluminum construction promoting the reduction of unsprung mass,
• mounting parameters compliant with BMW standards for the 3 Series F30/F31,
• grey color that harmonizes well with many body configurations.

Practical application and tire selection

The BMW F30 F31 Ferric Grey Wheel Alloy Rim 19" M Star Spoke 403 will perform well in both daily use and more dynamic driving, typical for drivers utilizing the potential of 3 Series engines. A properly selected set of tires will allow you to fully exploit the capabilities of the rim, ensuring precise handling, predictable traction, and a good level of acoustic comfort. Thanks to its well-thought-out geometry, the rim works with the vehicle's safety systems, such as ABS or traction control, without interfering with their operation.

BMW wheels – expansion and modernization of the suspension system

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

How to consciously buy used alloy wheels

When choosing a used alloy rim, it is worth paying attention to the condition of the surface, any signs of previous repairs, and the compatibility of mounting parameters with your specific car model. It is also good practice to verify the straightness of the rim and prepare it for installation by balancing and checking for leaks. To better understand the process of selecting, evaluating, and potentially refurbishing rims, check out the guide Used rims like new: a guide to buying and refurbishing alloy wheels, which discusses key technical and operational aspects in detail.