BMW F20 F21 Wheel Rim Alloy Ferricgrey 18" 7,5J ET:45 7845852 M Star Spoke 386

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 Wheel Rim Alloy Ferricgrey 18" 7,5J ET:45 M Star Spoke 386 is an original item from the Wheels category, designed specifically for demanding users of BMW 1 Series F20/F21 models. The M Star Spoke 386 design provides a distinctive, dynamic look and precise handling, while the alloy construction promotes stability and predictable vehicle behavior on the road.

Specifications and technical data

• SKU: 7845852-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7845852
• Substitutable numbers: 7845852, 36117845852
• Rim diameter: 18"
• Rim width: 7.5
• Offset (ET): 45
• Hole diameter: 120
• Number of holes: 5
• Category: Rims

Purpose and characteristics of the wheel rim

The presented alloy wheel rim has been developed as a stylistic and functional element for the BMW F20 and F21, featuring the M Star Spoke 386 design line. The rim geometry promotes lateral stiffness, which translates into confident cornering and predictable steering response. The alloy construction allows for a reduction in unsprung mass compared to typical steel solutions, improving ride comfort and suspension response.

The rim belongs to the BMW OEM product group, which means it maintains factory standards of workmanship, fitment, and compatibility with the vehicle's chassis and safety systems. This makes it a suitable choice both for replacing a damaged rim and for planned visual upgrades towards the sporty M aesthetic.

Design parameters and fitment

Key rim parameters – diameter, width, offset, diameter, and number of mounting holes – have been selected to comply with the factory requirements of the BMW F20/F21. This combination of dimensions ensures:

• proper wheel seating in the wheel arch without interfering with the bodywork,
• correct interaction with the suspension system and brakes,
• maintenance of the vehicle geometry intended by the manufacturer.

By maintaining the original mounting parameters, the rim works with factory bolts and hubs, which facilitates installation and reduces the risk of balancing issues or wheel runout. This solution is particularly beneficial for users who expect predictable vehicle behavior and want to avoid experimenting with non-standard dimensions.

Condition, verification, and practical application

The rim is in Used condition, meaning it has been previously operated but is still suitable for further use after a standard inspection before installation. In practice, this means the possibility of obtaining an attractive and functional wheel while maintaining a favorable price-to-quality ratio. This type of solution is often chosen for post-accident repairs, replacing a single damaged rim, or for the gradual modernization of a wheel set.

Due to its original origin and fitment for the BMW F20/F21, the rim will perform well both in daily city driving and in more dynamic highway driving. The M Star Spoke 386 design emphasizes the sporty character of the car while maintaining functionality suitable for year-round driving, depending on the tires chosen.

Benefits of choosing an original BMW wheel rim

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

• factory fitment to the hub and wheel arch,
• compatibility with vehicle safety systems (e.g., ABS, DSC, traction control systems),
• stylistic consistency with the body line and BMW equipment packages,
• easier resale of the car with a set of original rims.

For users who want to consciously manage operating costs, a used OEM rim is a reasonable compromise between quality and price, allowing the vehicle's factory character to be maintained without the need to invest in a new set of rims.

If you are planning a comprehensive repair or upgrade of the chassis area in your BMW and need other elements from the same group, such as additional rims, wheel sets, or wheels with a different pattern, check out the available parts in the BMW Wheels category.

To better assess the potential of purchasing items from the Wheels category in used condition and the possibilities of refreshing them, it is worth reading the guide Used wheels like new: a guide to buying and refurbishing alloy wheels, which discusses key aspects of selecting, inspecting, and refurbishing alloy wheels.