BMW E90 E91 E92 E93 Rear Wheel Alloy Rim 18" Star Spoke 189 8,5J ET:37

BMW E90 E91 E92 E93 Rear Wheel Alloy Rim 18" Star Spoke 189 8,5J ET:37 is an original rear alloy rim designed specifically for 3 Series models. Thanks to its precise mounting parameters and robust aluminum construction, it provides a functional foundation for building a stable and predictable chassis. This is a solution for drivers who expect consistent handling, aesthetic appeal, and factory-fitment.

Specifications and technical data

• SKU: 6768859-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6768859
• Substitutable numbers: 36116768859, 6768859
• Location on the vehicle: Rear
• Rim diameter: 18"
• Rim width: 8.5
• Offset (ET): 37
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Rim construction and purpose

The presented rim belongs to the Rims category and was developed as a rear axle component for BMW E90/E91 series cars. The aluminum construction ensures a favorable strength-to-weight ratio, which promotes handling stability and precise suspension response. The applied Star Spoke 189 styling in silver gives the body a cohesive, factory-original character that complements both light and dark paint finishes well.

The geometry of the rim has been selected to maintain the correct wheel arch line, proper bolt pattern, and compatibility with the braking system intended for this generation of BMW. As a result, the rim can be used as a replacement for a damaged wheel or as part of a set when assembling an original set of wheels.

Mounting parameters and compatibility

The rim has been designed to maintain factory mounting points and proper hub seating. The appropriately selected offset, width, and diameter of the rim allow for:

• maintaining the correct rolling path of the tire relative to the suspension,
• maintaining the proper load on bearings and chassis components,
• seamless cooperation with stock brake calipers and discs.

Thanks to the use of a standard bolt pattern, the rim is intended for direct installation on compatible BMW models without the need for spacers or adapters, provided the vehicle configuration matches the factory specifications for this rim.

Material and performance properties

The aluminum construction of the rim helps reduce unsprung mass compared to classic steel solutions. This translates into more predictable vehicle behavior during acceleration, braking, and traversing uneven surfaces. At the same time, the appropriately selected cross-section of the spokes and rim provides the required rigidity, which promotes stability at higher speeds.

The silver finish of the Star Spoke 189 design highlights the body lines and harmonizes well with the character of the 3 Series, allowing for a consistent, factory-original vehicle appearance. This is a solution for users who want to maintain the original BMW styling while expecting a functional, proven alloy rim.

Practical application and role in the chassis

The rear rim in this configuration is crucial for vehicle stability, especially in rear-wheel-drive cars. The appropriately selected width and geometry of the rim support torque transfer to the road surface and ensure predictable cornering behavior. Proper matching of the rim to the tire allows for even tread wear and maintains the correct contact patch with the road.

This component will work well both as a replacement for a damaged rim and when assembling a set of summer or winter wheels, where the priority is maintaining the original BMW driving parameters and consistent body styling.

If you are planning a comprehensive repair or upgrade of the wheel and tire area in your BMW and need other items from the same group, such as additional rims, wheel sets, or alternative rim designs, check out the available parts in the BMW Rims category.

To better assess the potential of purchasing second-hand rims and the possibilities for their refurbishment, it is worth reading the guide Used rims like new: a guide to buying and refurbishing alloy wheels, which discusses key aspects of selecting, verifying, and refurbishing alloy rims.

If you want to expand your knowledge on making informed choices regarding second-hand parts and dispel doubts about their quality, the article Used car parts: Myths and facts you need to know, which describes a practical approach to purchasing used automotive components, may be helpful.