BMW Z4 E89 Rear Silver Alloy Wheel Rim 19" 9J ET:40 M double spoke 326 7842136

Visual condition of the part

The product shows signs of use visible in the photos.

BMW Z4 E89 Rear Silver Alloy Wheel Rim 19" 9J ET:40 M double spoke 326 is an original rim from the Wheels segment, designed specifically for the rear axle of the BMW Z4 E89 sports roadster with the M package. The silver finish of the rim highlights the dynamic body line, and the OEM construction ensures proper driving parameters and stylistic consistency with other chassis components.

Specifications and technical data

• SKU: 7842136-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7842136
• Substitutable numbers: 7842136, 36117842136
• Location on the vehicle: Rear
• Color: Silver
• Rim diameter: 19"
• Rim width: 9
• Offset (ET): 40
• Hole diameter: 120
• Number of holes: 5
• Category: Rims

Purpose and fitment for BMW Z4 E89 M Package

The presented rear alloy wheel was developed for demanding BMW users who expect precise handling and a consistent look for the entire wheel set. The placement on the vehicle specified as rear guarantees a proper fit to the rear axle, while maintaining factory suspension geometry and handling characteristics typical of the M Package version.

The properly selected rim diameter and rim width allow for the installation of sports-profile tires, which translates into stability at higher speeds and predictable vehicle behavior in corners. The ET (offset) parameter has been chosen so that the rim operates in an optimal position relative to the hub and wheel arch, without interfering with suspension components.

Construction, color scheme, and mounting parameters

The silver finish, marked in the data as color, provides a classic, understated look that blends well with both light and dark body paints. This color scheme also makes it easier to keep the rim clean and masks typical signs of wear better than darker coatings.

The rim has been prepared for installation in the standard BMW mounting system, with a specified bolt pattern diameter and number of studs, which allows for direct bolting to the hub without the need for adapters. This configuration promotes the maintenance of proper force distribution on the wheel mounts and facilitates wheel system servicing in workshop conditions.

Performance characteristics and advantages of the alloy wheel

The M Package series alloy wheel for the BMW Z4 E89 was designed for dynamic driving while maintaining comfort for daily use. The appropriate rim width allows for the use of tires with an increased contact patch with the road surface, which improves traction during acceleration and the efficiency of transferring torque to the rear axle.

The aluminum construction helps reduce unsprung mass compared to steel solutions, which positively affects suspension response to bumps and steering precision. For the user, this means more direct steering feedback and better vehicle control in situations requiring quick steering corrections.

Condition, origin, and product identification

The rim comes from the BMW offer, which means compliance with the vehicle manufacturer's factory quality and construction standards. The product is in the Wheels category, making it easy to match with other wheel system components within a single vehicle.

Designating the condition as used allows you to consciously choose a component for your planned budget while maintaining the original mounting specification. Additionally, the availability of the OEM part number and interchangeable numbers in the technical specifications section facilitates verification of the rim's compatibility with a specific BMW Z4 E89 M Package configuration.

How to consciously buy a used alloy wheel

When choosing a used alloy wheel, it is worth paying attention to the compatibility of mounting parameters with the vehicle, the condition of the working surfaces, and the service history. It may also be helpful to familiarize yourself with practical tips regarding the refurbishment and assessment of rim wear. Detailed information can be found in the guide Used wheels like new: a guide to buying and refurbishing alloy wheels, which discusses key aspects to check before installation.

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