BMW F20 F21 Orbitgrey Wheel Alloy Rim M Double Spoke 436 18" 7,5J ET:45 7847413

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 Orbitgrey Wheel Alloy Rim M Double Spoke 436 18" 7,5J ET:45 is an original rear alloy rim designed specifically for the 1 Series models, ensuring precise handling and consistency with the factory suspension geometry. Thanks to its robust construction and tailored parameters, it serves as a functional solution both for replacing a damaged rim and for configuring a complete wheel set. This used OEM rim is a sensible choice for drivers who expect high-quality craftsmanship and the maintenance of the driving characteristics intended by the manufacturer.

Specifications and technical data

• SKU: 7847413-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7847413
• Substitutable numbers: 7847413, 36117847413
• Location on the vehicle: Rear
• Rim diameter: 18"
• Rim width: 7.5
• Offset (ET): 45
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and fitment for BMW F20/F21

The presented rim has been developed for the rear axle of the compact BMW 1 Series F20/F21 models, which translates into proper load distribution and stable vehicle handling. The applied design parameters are consistent with the manufacturer's factory specifications, ensuring the rim works seamlessly with the stock suspension, braking system, and vehicle safety systems. The rear placement of the rim promotes efficient torque transfer to the road surface and maintains predictable traction in daily use.

Aluminium construction and driving characteristics

The rim belongs to the Wheels category and is made of a lightweight aluminium alloy, which helps reduce unsprung mass compared to steel solutions. The aluminium construction promotes better suspension response to road irregularities and more precise handling, especially during dynamic driving. The rim profile has been selected to ensure stable tyre support, predictable cornering behaviour, and adequate stiffness for daily use.

Mounting parameters and compatibility

The rim features a bolt pattern matched to standard BMW hubs, facilitating trouble-free installation on the rear axle without the need for additional adapters. The number of holes and their pitch circle diameter have been selected according to the manufacturer's standard, resulting in secure seating on the hub and proper load transfer. The rim offset is tailored to the F20/F21 body, helping to maintain proper wheel arch filling and preserve the factory-intended track geometry.

Benefits of choosing an original BMW rim

Choosing an original BMW alloy rim primarily means consistency with the factory suspension design and predictable vehicle behaviour in various road conditions. A rim designed by the vehicle manufacturer ensures proper clearance for brake calipers, hubs, and suspension components, minimizing the risk of installation issues. A used OEM rim is also a favourable compromise between purchase cost and maintaining quality and driving parameters close to those of new components.

Expanding your wheel set and additional information

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

For drivers considering purchasing rims from the secondary market or refreshing their existing wheels, a useful supplement to your knowledge would be a guide describing the process of selecting and refurbishing alloy rims – detailed tips can be found in the article Used rims like new: a guide to buying and refurbishing alloy rims.