BMW 5 Series E39 Rear Right O/S Loudspeaker Speaker Stereo System 8360778

BMW 5 Series E39 Rear Right O/S Loudspeaker Speaker Stereo System is an original factory stereo system component, designed for installation on the rear right side of the vehicle body. Thanks to its precise fit for the E39 door construction, it ensures consistent sound quality with the other drivers while maintaining the interior's aesthetics and functionality. This is a practical solution for replacing a damaged speaker or restoring the full performance of the stock BMW audio system.

Specifications and technical data

• SKU: 8360778
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8360778
• Substitutable numbers: 65138360778, 8360778, EM
• Location on the vehicle: Rear, Right
• Category: Door Panels

Purpose and compatibility with the BMW 5 Series E39

The presented item is a speaker designed for installation in the rear right part of the vehicle, compatible with the acoustic architecture of the BMW 5 Series E39. The design is engineered for factory mounting points and the stock audio installation, which facilitates assembly and allows for the preservation of the original character of the sound system. The rear right-side placement ensures proper sound coverage for the rear passenger cabin area.

Function in the stereo system and acoustic properties

The speaker operates as an integral part of the stock BMW stereo system, responsible for audio reproduction in the rear of the interior. The driver's design is adapted to the factory amplifier and head unit, which allows for maintaining a consistent tonal balance between the front and rear of the cabin. Original BMW origin promotes stable operation under typical operating conditions and reduces the risk of incompatibility with the electrical installation and door trim.

Integration with door trim and installation

The product belongs to the Door trim group, meaning its geometry and mounting method are matched to the stock BMW E39 door panels. As a result:

• the speaker fits into the designated mounting cavity without any bodywork modifications,
• the correct distance from the grille is maintained, which limits mechanical distortion,
• installation is based on factory mounting points and the wiring harness.

Such a solution facilitates service, shortens replacement time, and allows avoiding compromises typical of universal replacements. The used condition makes it an economical alternative to a new OEM component, while maintaining the original mounting specifications.

Practical application and benefits of replacement

Replacing the rear right speaker is particularly recommended in situations where the vehicle experiences:

• sound dropouts or a noticeably lower volume level on the rear right side,
• crackling, distortion, or resonance at higher volumes,
• mechanical damage to the diaphragm due to collision, water ingress, or interference with the door trim.

Choosing an original speaker allows for restoring even sound distribution in the cabin without the need for modifying the installation or changing audio system settings. This solution is particularly beneficial for users who want to maintain the factory character of the BMW sound system and sound consistency with the other drivers.

Expanding upgrades within the BMW door area

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other components from the same group, such as panels, grilles, or additional soundproofing elements, check the available parts in the BMW Door trim category.

Summary

The rear right speaker dedicated to the BMW 5 Series E39 is a practical choice for drivers who want to restore the efficiency of the factory stereo system without sacrificing the original mounting specifications. Proper fitment to the door trim, compatibility with the stock installation, and preservation of the acoustic characteristics intended by the manufacturer make this a functional solution that is technically consistent with the vehicle's construction.