Description
Visual condition of the part
The product shows signs of use visible in the photos.
BMW F34 GT Silver Alloy Wheel Rim 18″ 9J M Star Spoke 400 is an original light-alloy rim designed specifically for BMW 3 Series Gran Turismo models. The M Star Spoke design provides a distinctive, dynamic look and precise handling, while the silver finish complements both light and dark body colors perfectly.
Specifications and technical data
- SKU: 7848388-4
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7848388
- Substitutable numbers: 36117848388, 7848388
- Color: Silver
- Rim diameter: 18″
- Rim width: 9
- Offset (ET): 42
- Hole diameter: 120
- Number of holes: 5
- Rim material: Aluminium
- Category: Rims
Rim purpose and construction
The presented rim belongs to the Wheels category and is made of aluminum, which translates into a favorable strength-to-weight ratio and stable vehicle behavior at higher speeds. The rim is prepared for installation on BMW cars with a five-bolt mounting pattern and the appropriate pitch circle diameter, ensuring that factory handling parameters and suspension performance are maintained.
The rim geometry has been optimized for the rear axle of the BMW F34 GT, allowing for proper wheel arch filling, maintaining the correct rolling path, and ensuring the proper operation of safety systems such as ABS or traction control. The silver finish gives the rim a subtle yet distinctly sporty character, emphasizing the body lines and the M styling package.
Mounting parameters and compatibility
The M Star Spoke 400 alloy wheel has been designed for a precise fit to the BMW hub, with the correct hole diameter and number of mounting bolts. The properly selected rim width and offset ensure:
- correct wheel seating relative to the wheel arch,
- stable handling under load,
- compatibility with factory BMW braking systems,
- the ability to use tires of standard sizes for this generation.
By maintaining factory mounting parameters, the rim works well with the stock suspension and does not require the use of spacers or body modifications, which is important for safety and the durability of chassis components.
Condition, origin, and functional advantages
The rim is a used item originating from the original BMW production line, which means it adheres to the manufacturer’s quality standards regarding geometry, durability, and compatibility with other chassis components. Original BMW wheels are designed with specific load requirements for a given model in mind, ensuring predictable vehicle behavior in corners and during braking.
The main advantages of this rim include:
- original M Star Spoke styling matched to the BMW F34 GT line,
- aluminum construction that helps reduce unsprung mass,
- factory mounting parameters for easy installation,
- a neutral, silver finish that matches many color configurations.
Use in daily operation
The M Star Spoke 400 rim performs well in both daily city driving and on the highway, where stability at higher speeds is important. The aluminum construction promotes precise handling, and the properly selected mounting parameters help maintain suspension comfort and even tire wear. This is a solution for drivers who want to maintain the car’s stylistic consistency with the M Performance line and preserve factory driving characteristics.
If you are planning a comprehensive repair or upgrade of your BMW’s chassis and need other items from the same group, such as additional rims, winter sets, or axle configuration kits, check out the available parts in the BMW Wheels category.
Support in selection and technical knowledge
When purchasing a used alloy wheel, it is crucial to pay attention to the compatibility of mounting parameters with your specific car model and to assess the condition of the rim before installation. To better prepare for your choice and potential refurbishment, it is worth using the practical tips included in the article Used wheels like new: a guide to buying and refurbishing alloy wheels, where the most important technical and operational aspects are discussed.






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