BMW F40 M135i Wing Mirror Base Left N/S Shadow Line Heated With Memory

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F40 M135i Wing Mirror Base Left N/S Shadow Line Heated With Memory is an original component from the BMW Exterior Mirrors group, designed for precise installation on the driver's side. It ensures stable mounting of the mirror glass and integrates electrical functions such as heating and memory settings, which translates into daily convenience.

Specifications and technical data

• SKU: RHD-9448499
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9448499
• Substitutable numbers: 9448499, 51169448499
• Location on the vehicle: Left
• Color: Black
• Category: Mirror Assemblies

Purpose and function in the vehicle

The presented mirror base is designed for installation on the left side of the vehicle body, in the factory mounting location of the driver's side mirror. It is responsible for a rigid connection between the mirror housing and the door, while also serving as a carrier for the electrical wiring responsible for heating and memory position support.

The component works with the vehicle's comfort system, allowing for the storage of individual mirror settings for different drivers. Thanks to this, every time the car is unlocked or the user profile is changed, the mirror automatically returns to the programmed position, which improves ergonomics and driving safety.

Shadow Line finish and color scheme

The base features a black finish, matched to the Shadow Line styling used in BMW's sports versions. This color choice allows for a cohesive connection with factory trim and other body elements, creating a uniform, dynamic side profile of the vehicle.

The dark finish blends well with both light and dark body paints, making the component suitable both as a replacement part after damage and as a subtle visual upgrade as part of retrofitting the car with the Shadow Line style.

Electrical functions: heating and memory

The mirror base is adapted to work with the vehicle's electrical system, supporting the mirror heating function. This facilitates maintaining good visibility in rain, snow, and at low temperatures, reducing fogging and icing of the glass surface.

Additionally, the design provides for integration with the memory settings system, which allows for automatic adjustment of the mirror position to saved seat and steering column profiles. This is particularly beneficial in cars used by multiple drivers, where repeatability of settings and quick readiness for driving are important.

Condition, application, and fitment

The element comes from dismantling and is offered as a used part, which represents a reasonable compromise between cost and maintaining factory build quality. The original design ensures proper fitment with the door and compatibility with factory electrical harnesses, which facilitates installation and limits the need for modifications.

When selecting, it is recommended to compare the shape, finish type, and connector configuration with the currently installed mirror to maintain full functionality of heating and memory. Thanks to this, replacing a damaged base will allow you to restore the original comfort of using the vehicle.

Expanding the mirror zone in BMW

If you are planning a comprehensive repair or upgrade of the side mirror zone in your BMW and need other elements from the same group, such as housings, glass inserts, or complete modules with turn signals, check the available parts in the BMW Exterior Mirrors category.

For drivers interested in a broader approach to visual and technical car modifications, inspiration can be found in an article describing the use of branded components from dismantling in tuning – more information can be found in the material Emotions and design – visual and mechanical tuning of a Seat using components from dismantling.