BMW Z4 Series E89 Roadster Cabrio Rear Bumper Antenna Aerial Telephone 9156745

BMW Z4 Series E89 Roadster Cabrio Rear Bumper Antenna Aerial Telephone is an original component from the Car antennas group, designed for installation in the rear body section of this model. Thanks to its factory design, BMW ensures stable radio signal reception and perfect compatibility with the vehicle's electrical system, which facilitates maintenance and subsequent operation. This is a practical solution for users who want to maintain equipment consistency with the vehicle's factory specifications.

Specifications and technical data

• SKU: 9156745
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9156745
• Substitutable numbers: 65209156745, 9156745
• Location on the vehicle: Rear
• Category: Antennas

Purpose and function of the antenna

The presented antenna is dedicated to the BMW Z4 Series E89 Roadster Cabrio model and operates in the rear body zone, where the manufacturer intended for it to be mounted. Such placement promotes uniform signal reception and reduces interference resulting from the operation of other vehicle systems. The component has been designed as an integral part of the multimedia system, which allows for maintaining the factory functionality of the radio and other services based on radio transmission.

Construction and compatibility with the BMW installation

The antenna belongs to the Car antennas group and has been constructed in accordance with BMW standards for premium class vehicles. This means appropriately selected operating characteristics, compatibility with the wiring harness, and proper mounting points in the rear body section. Using an original solution reduces the risk of installation problems, leaks, or incorrect cable routing.

The component is prepared to work with the vehicle's factory system, which facilitates its integration with the existing installation. In practice, this translates into predictable operating parameters, no need for modifications, and maintaining consistency with other electronic components in the car.

Performance characteristics and advantages of the OEM solution

As a part from the BMW offer, the antenna provides:

• consistency with the vehicle's original electrical architecture,
• proper fit for the rear body zone,
• preservation of the factory look and body lines,
• predictable performance in daily operation.

A used OEM component is a reasonable choice for drivers who want to keep the car in a configuration close to the factory one, while optimizing repair or replacement costs. In the case of an antenna, this is of particular importance, as incorrectly selected replacements can cause reception interference or problems with integration with the vehicle's electronics.

Why choose a used OEM BMW antenna

The market for premium car parts is increasingly focusing on proven components from dismantling, especially in the area of electronics and body equipment. A used BMW antenna allows you to maintain high build quality and fitment for a specific model, while reducing costs compared to new subassemblies. This solution is particularly attractive for convertible owners, where the proper operation of multimedia systems affects the comfort of daily driving.

If you want to better understand why original used components for premium brands are becoming an increasingly popular choice, it is worth reading the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026. You will find practical arguments there in favor of such an approach to BMW service.

Expanding the antenna system in a BMW

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other elements from the same group, such as receiver modules, antenna bases, or additional installation elements, check out the available parts in the BMW car antennas category.