BMW E90 E91 Wheel Alloy Rim Spider Spoke 157 17" ET:34 8J 6770239

BMW E90 E91 Wheel Alloy Rim Spider Spoke 157 17" ET:34 8J is an original alloy rim from the Spider Spoke series, designed specifically for BMW E90 and E91 models. Thanks to its precise geometric parameters and robust construction, it ensures stable handling, predictable vehicle behavior, and an aesthetic, dynamic appearance. This is a solution for drivers who want to maintain the factory character of the suspension while improving the visual appeal of their car.

Specifications and technical data

• SKU: 6770239-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770239
• Substitutable numbers: 36116770239, 6770239
• Rim diameter: 17"
• Rim width: 8
• Offset (ET): 34
• Hole diameter: 120
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Technical characteristics of the BMW alloy rim

The Spider Spoke 157 series rim is made of aluminum, which helps reduce unsprung mass compared to classic steel solutions. This translates into better suspension response, more precise handling, and a significantly higher level of ride comfort. The rim structure has been optimized for stiffness to effectively handle the loads resulting from daily use, highway driving, and dynamic maneuvers.

The dimensional parameters of the rim are adapted to BMW's factory specifications for the E90/E91 series, which facilitates the selection of appropriate tires and the maintenance of proper wheel alignment. The bolt pattern and diameter are consistent with the standard BMW five-bolt hub, and the properly selected offset supports correct wheel seating in the wheel arch without interfering with suspension or braking system components.

Construction and purpose

The multi-spoke design of the Spider Spoke 157 gives the wheel a modern and dynamic look, which complements both stock and lowered suspension setups. The profile of the spokes also makes it easier to keep the rim clean – access to the space between the spokes is convenient, which is important for regular washing and maintenance.

The rim was designed as an OEM component for BMW, ensuring full compatibility with factory chassis elements such as hubs, brake discs, or safety system sensors. This is particularly important for cars equipped with advanced electronic stability control systems, where wheel geometry and weight have a direct impact on the performance of the electronics.

Benefits of using an original BMW rim

Choosing an original BMW alloy rim from the Spider Spoke 157 series primarily means:

• Factory fitment – no need for spacers or non-standard bolts, compliance with the manufacturer's specifications.
• Consistent body aesthetics – design developed specifically for the E90/E91 line, with no "out of place" element effect.
• Stable handling – properly selected geometric parameters support predictable vehicle behavior.
• Compatibility with standard BMW accessories, such as center caps or pressure sensors (if present in the vehicle's configuration).

Thanks to the use of a lightweight alloy, the rim helps reduce suspension load, which in the long run can positively affect the durability of wear-and-tear parts and ride comfort on uneven surfaces.

Condition, application, and selection

The rim falls into the Wheels category, which clearly defines its purpose as a chassis component responsible for transferring loads between the tire and the hub. The product is intended for users who need a replacement for a factory rim or want to complete an existing set with an additional piece (e.g., as a spare wheel or for a separate set of seasonal tires).

When selecting a rim, it is worth paying attention to its compatibility with the other wheels on the vehicle in terms of construction, dimensions, and styling. Maintaining a uniform set is important not only for visual reasons but also for practical ones – it facilitates wheel rotation between axles and the selection of tires with appropriate parameters.

Selection support and additional materials

If you want to better understand how to assess the condition of a rim, what to look for when purchasing items from the Wheels category, and when it is worth considering refurbishment, use the practical tips included in the article Used rims like new: a guide to buying and refurbishing alloy wheels. This is a helpful source of knowledge when planning the purchase of a used alloy rim for a BMW.

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

Additionally, to better understand why original used components for premium brands are becoming an increasingly popular choice, you can read the market analysis in the article Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend, which will help you make an informed purchasing decision.