BMW Z4 E89 Alloy Wheel Rim 17″ Star Spoke 290 ET:29 8J 6785240

Description

Visual condition of the part

The product shows signs of use visible in the photos.

BMW Z4 E89 Alloy Wheel Rim 17″ Star Spoke 290 ET:29 8J is an original light-alloy wheel designed for BMW models, engineered for precise handling and a cohesive look with the vehicle’s body lines. The distinctive Star Spoke 290 design emphasizes the car’s dynamic character, while the aluminum construction supports stability and predictable suspension behavior. This is a solution for drivers who expect factory fitment and aesthetics in line with BMW standards.

Specifications and technical data

• SKU: 6785240-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6785240
• Substitutable numbers: 36116785240, 6785240
• Rim diameter: 17″
• Rim width: 8
• Offset (ET): 29
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and fitment for BMW Z4 E89

The wheel has been developed specifically for the BMW Z4 E89, maintaining the correct geometric rim parameters. The properly selected width, diameter, and offset support the correct operation of the suspension, steering system, and safety systems. As a result, factory handling characteristics are preserved, and the vehicle reacts predictably during both city driving and dynamic cornering.

The Star Spoke 290 design ensures clear visibility of the brakes and gives the body a sporty yet elegant appearance. This is particularly important in a roadster like the Z4 E89, where the side profile and wheel proportions are highly prominent.

Construction and technical properties of the wheel

The wheel belongs to the Wheels category and is made of aluminum, which allows for a favorable strength-to-weight ratio. A lighter rim compared to steel constructions helps reduce unsprung mass, which can translate into more precise bump absorption and better steering response.

The bolt pattern and diameter of the mounting holes have been adapted to BMW standards, enabling trouble-free installation on the vehicle’s hubs. The number of mounting holes used ensures stable wheel seating, and the properly selected offset helps maintain the correct wheel line relative to the wheel arches without interfering with the suspension geometry.

Benefits of using an original alloy wheel

Using an original alloy wheel on a BMW Z4 E89 offers a number of practical benefits:

• preservation of the vehicle’s factory appearance and stylistic consistency with other body components,
• secure fitment to hubs and the braking system, without the need for spacers or non-standard bolts,
• aluminum construction promoting stable handling and predictable suspension performance,
• Star Spoke 290 design emphasizing the sporty character of the roadster.

For users who want to better understand how to assess the condition of a rim, what to look for when purchasing items from the Wheels category, and how to approach their refurbishment, the following guide will be helpful: Used wheels like new: a guide to buying and refurbishing alloy wheels.

Characteristics of the used product

The wheel is offered as a used item, which provides a cost-effective solution while maintaining the manufacturer’s original specifications. This type of component allows for the replacement of a damaged rim or completing a set of wheels without the need to invest in a new set. In practice, this means the ability to restore full functionality of the running gear within a reasonable budget.

Choosing a used OEM wheel is often preferred by workshops and conscious drivers because it allows for shorter vehicle downtime – the part is available immediately, and installation does not require modifications. More about the impact of original part availability on repair time can be read in the article: Availability of car parts off the shelf vs. repair time – how used OEM parts shorten workshop stays?.

Expanding wheel configuration in BMW

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