BMW E87 Roof Antenna Base Sat Nav Radio Control Unit Aerial 9141051

BMW E87 Roof Antenna Base 9141051 is an original part from the car antennas category, designed for roof mounting. The base ensures stable antenna mounting, proper signal transmission, and secure integration with the vehicle body, which is important for both reception quality and the durability of the entire antenna system.

Specifications and technical data

• SKU: 9141051
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9141051
• Substitutable numbers: 9141051, 65209141051, 6925361, 65206925361, 921921111
• Category: Antennas

Purpose and Technical Function

The roof antenna base in the BMW E87 series is responsible for the mechanical fastening of the antenna and for the watertight passage of the cable through the roof panel. A correctly selected part minimizes the risk of leaks, mounting looseness, and interference with radio systems or other installations using the roof antenna.

The original design ensures a perfect fit for the roof contour and factory mounting holes, which simplifies installation and reduces the need for additional modifications. This maintains consistency with the vehicle's factory installation and the aesthetics of the bodywork.

Benefits of Using an Original Antenna Base

Using a dedicated roof antenna base for the BMW E87 offers a number of practical advantages:

• maintaining the factory antenna mounting geometry and its correct angle,
• reducing the risk of moisture entering the roof interior through proper sealing,
• stable antenna support at higher speeds and during vehicle washing,
• compatibility with the factory wiring harness and interior trim components.

For the user, this means more predictable radio system performance and no need for compromise mounting solutions, which are often encountered with universal aftermarket parts.

Product Characteristics and Condition

The offered BMW roof antenna base belongs to the group of original BMW parts, which in practice means compliance with factory manufacturing and fitment standards. The part comes from a used vehicle, therefore it is classified as used, but it retains the functionality necessary for further operation in the antenna system.

For this type of component, it is crucial that the antenna base maintains its structural integrity, correct mounting points, and the ability to be securely seated in the roof panel. A used OEM part often allows for optimization of repair costs while maintaining the factory installation standard.

Selection by Numbers and Compatibility

The BMW E87 roof antenna base has an assigned OEM part number and associated interchangeable numbers, which facilitates precise identification in catalogs and selection systems. In practice, this means the possibility of verifying compatibility with a specific vehicle equipment version and with the multimedia systems used in a particular unit.

Before purchasing, it is advisable to compare the markings with the part you have or with the service documentation to ensure that the selected antenna base will work correctly with the car's installation and will not require mechanical adaptation.

New or Used Antenna Parts?

When choosing between a new and a used roof antenna base, it is worth considering the relationship between cost and expected durability, as well as the availability of original components. A used OEM part often represents a reasonable compromise, especially when we want to maintain the factory installation standard and avoid fitment issues. If you want to analyze the differences between new and used parts more broadly, read the article Car Parts – New or Used? Comparing Costs, Quality, and Durability, which discusses this topic in a practical and technical way.

If you are considering upgrading or replacing other components responsible for signal reception in your BMW and want to maintain the assembly and functional consistency of the entire system, check the available parts in the BMW Car Antennas category.