BMW M3 E46 Harman Kardon Amplifier Subwoofer Box Housing Speaker 6946987

BMW M3 E46 Harman Kardon Amplifier Subwoofer Box Housing Speaker is a factory audio system component that allows you to maintain the original sound system configuration in the trunk. Thanks to its tailored design and integration with factory mounting points, it ensures stable subwoofer mounting and proper amplifier operation in the luggage compartment.

Specifications and technical data

• SKU: 6946987
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6946987
• Substitutable numbers: 6946987, 65136946987, 6920892, 65136920892, 8375967, 65138375967, 6946986, 65136946986
• Part type: Parcel Shelf
• Category: Parcel Shelves

Purpose and function in the BMW M3 E46

The presented item combines a subwoofer enclosure with a dedicated space for the Harman Kardon amplifier, creating a cohesive module mounted in the rear of the vehicle. This solution allows for maintaining proper acoustics in the trunk without compromising the functionality of the cargo space.

The properly shaped enclosure supports the subwoofer's operation, minimizing unwanted resonances and facilitating consistent bass in the cabin. At the same time, it ensures secure placement of the amplifier, which is crucial for the durability of the entire audio system.

Construction and integration with the trunk

The item belongs to the Trunk shelves and covers category, as it works with the rear bodywork and affects how the luggage space is organized. The shape and mounting points are adapted to the geometry of the BMW M3 E46 trunk, which facilitates installation and subsequent service removal.

The housing has been designed to:

• maintain a stable position of the subwoofer relative to the body,
• provide space for the Harman Kardon amplifier in a dedicated zone,
• reduce vibration transfer to other trunk components.

Benefits of using an original BMW part

The original BMW component guarantees compatibility with the factory audio installation and proper fitment with the trunk upholstery. Using such a solution is particularly important for maintaining the completeness of the M3 E46 equipment with the Harman Kardon system, as well as for repairs after collisions or modifications to the trunk area.

The main advantages include:

• factory fitment to the body and electrical installation,
• preservation of the original acoustic characteristics of the audio system,
• easier diagnostics and service compared to non-factory solutions.

Condition and practical application

The item is offered in used condition, which allows for an economical restoration of the factory audio system while maintaining original BMW specifications. This type of part is suitable both for replacing a damaged subwoofer enclosure and for restoring the full functionality of the Harman Kardon system after trunk modifications.

Thanks to the preservation of factory geometry, installation is predictable, and the risk of fitment issues with upholstery and adjacent trim elements is limited.

If you are planning a comprehensive repair or upgrade of the trunk area in your BMW and need other items from the same group, such as additional covers, mounts, or brackets related to the rear section, check out the available parts in the BMW Trunk shelves and covers category.

When selecting used components for vehicle systems, including those interacting with electrical and audio installations, it is worth following proven procedures and reliable technical knowledge – this is discussed in more detail in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which also covers the identification of parts by OEM and reference numbers.