BMW 3 Series E90 1 Mid-Range Loudspeaker Midtone Speaker 0445687

BMW 3 Series E90 1 Mid-Range Loudspeaker Midtone Speaker is an original audio component designed for the factory sound system in the 3 Series E90. This mid-range loudspeaker is responsible for the precise reproduction of mid-range frequencies, which translates into clear vocals, legible dialogues, and a coherent soundstage inside the vehicle. Thanks to its OEM design, it is the right choice for professional repairs or restoring the factory audio configuration.

Specifications and technical data

• SKU: P0445687-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0445687
• Substitutable numbers: 65130445687, 0445687, EM
• Category: Other Interior Parts & Accessories

Application and function in the BMW E90 audio system

The presented mid-range speaker operates in the mid-frequency band, working in conjunction with other drivers in the doors and/or dashboard. This component is largely responsible for:

• clarity of voice and vocals,
• natural sound of instruments,
• coherent integration of low and high tones,
• listening comfort during daily driving and on longer trips.

By maintaining the factory acoustic characteristics, the BMW 3 Series E90 sound system remains balanced, without artificial frequency boosting or distortions typical of low-quality replacements.

Construction, fitment, and installation

The mid-range speaker has been designed as an OEM component for the specific BMW 3 Series E90 platform, which means:

• a dedicated basket shape and mounting points matched to factory installation locations,
• a connector prepared for compatibility with the original audio wiring harness,
• electrical parameters adjusted to the stock amplifier / head unit.

Such a solution facilitates plug-and-play installation, without the need for wiring modifications or the use of adapters. The original mid-range speaker allows for maintaining the technical consistency of the entire sound system, which is important both for repairs and for preserving the vehicle's value.

Performance characteristics and benefits

Choosing a factory mid-range speaker for the BMW 3 Series E90 is a solution aimed at users who expect predictable, stable performance and sound consistent with the manufacturer's specifications. Using this component allows you to:

• restore the full functionality of the factory audio system after one of the drivers is damaged,
• avoid issues with impedance and power mismatch,
• maintain a uniform sound character across all channels,
• preserve installation aesthetics without visible modifications.

The product comes from the BMW OE group, which for many users is crucial when servicing the vehicle according to factory standards.

Component condition and service application

The offered speaker is used, making it an economical solution for repairing factory sound systems, especially in older BMW 3 Series E90 models. Such components are frequently used in:

• professional service centers specializing in the BMW brand,
• workshops dealing with the diagnostics and repair of audio systems,
• restoration projects where maintaining the original vehicle specification is important.

By using an original driver, you can avoid typical problems associated with cheap replacements, such as uneven frequency response or unwanted resonances.

System expansion and related solutions

If you are planning a comprehensive repair or upgrade of the audio zone in your BMW and need other elements from the same group, such as additional speakers, grilles, or mounting elements, check the available parts in the Other BMW category.

For more advanced retrofitting projects or audio system upgrades in premium cars, it is worth considering the use of components from higher trim levels. Practical tips on this approach can be found in the article Retrofitting in VAG and BMW group cars: How to affordably upgrade your car using used parts from higher versions?.

To compare the character of factory sports solutions in other brands and the impact of more powerful engines and braking systems on component selection, you can also read the material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate equipment depending on the model version.