Roof Antenna BMW E81 E87 Aerial Base Control Unit Module 6925356

Roof Antenna BMW E81 E87 Aerial Base Control Unit Module is an original component from the Car antennas group, designed for mounting on the rear part of the vehicle's roof. It ensures stable radio signal and data reception while maintaining the factory body line and the stylistic consistency characteristic of the BMW brand. This is a solution for users who expect precise fitment and predictable performance of the antenna system.

Specifications and technical data

• SKU: 6925356-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6925356
• Substitutable numbers: 6925356, 65206925356, KD
• Location on the vehicle: Rear
• Category: Antennas

Purpose and function of the roof antenna

The roof antenna in BMW 1 Series LCI models is responsible for stable signal reception in the rear part of the body, where the roof structure provides favorable conditions for radio wave propagation. Its placement at the rear of the vehicle reduces interference from the engine compartment and improves signal coverage uniformity while driving in varied conditions.

This component works with the factory electrical harness and onboard modules, ensuring compatibility with the vehicle's original multimedia and communication systems. For the user, this means predictable system operation without the need for installation adaptations or the use of additional adapters.

Construction and fitment for BMW E81 / E87 LCI

The antenna has been designed specifically for the BMW 1 Series E81/E87 facelift body, taking into account the roof shape, sheet metal thickness, and the factory mounting hole in the rear of the vehicle. This fitment translates into:

• secure seating in the mounting hole without play or stress,
• proper sealing of the connection with the roof panel,
• maintenance of the original antenna geometry and height relative to the roof.

As a result, a consistent body line is maintained after installation, and the component does not visually stand out from other body parts. This is particularly important for vehicles where both functionality and aesthetics are valued.

Benefits of using an original BMW antenna

Using an original roof antenna in a BMW 1 Series allows for maintaining the radio and communication system performance at the level intended by the vehicle manufacturer. Key advantages include:

• Factory electrical compatibility with the vehicle's installation, without the need for harness modifications.
• Properly selected shielding and component geometry, reducing susceptibility to interference.
• Visual consistency with other BMW body components.
• Ability to utilize existing mounting points and seals in the rear roof section.

Choosing such a solution is particularly beneficial for post-accident repairs, replacing a damaged antenna, or restoring the vehicle to a near-factory state.

Characteristics of the used component

The offered roof antenna is a used component, which in practice means it has been removed from a vehicle and verified for its suitability for further use. Such components are frequently chosen by users looking for a reasonable compromise between repair costs and maintaining the vehicle's original specifications.

In the case of roof antennas, it is particularly important to maintain the integrity of the housing, mounting base, and connectors, as this affects the seal with the roof and signal stability. A used OEM component allows these parameters to be maintained at a near-factory level while reducing purchase costs.

Technical support and OEM part selection

When selecting a roof antenna for a specific version of the BMW 1 Series, it is worth paying attention to compatibility with the production year, body version, and vehicle equipment. Manufacturer markings and reference numbers are helpful, allowing for precise verification of compatibility with a given car. If in doubt, a good solution is to compare the antenna base construction and connector type with the element currently installed in the vehicle.

If you are planning a comprehensive repair or upgrade of the roof area in your BMW and need other elements from the same group, such as antenna bases, antenna modules, or additional mounting hardware, check the available parts in the BMW car antennas category.

To better understand the importance of original components in the context of safety and repair durability, it is worth reading an article describing why used OEM parts are a beneficial choice for car owners – a detailed discussion can be found in the material Quality assurance and OEM safety – why used original car parts are the best choice for your car?.