Rear Tailgate Sensor BMW F40 F44 F48 Mini F54 LCI Smart Opener Bottom 8494949

The BMW F40 F44 F48 Mini F54 LCI Smart Opener Tailgate Sensor is an original component of the comfort access system, responsible for contactless tailgate opening. Mounted at the rear of the vehicle, it works with the factory BMW and Mini electronics, providing convenient control of the trunk lid with a foot movement. This solution is particularly useful in daily use when you need quick access to the luggage space without using your hands.

Specifications and technical data

• SKU: 8494949
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8494949
• Substitutable numbers: 8494949, 61358494949
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Function and Application of the Smart Opener Sensor

The Smart Opener sensor is responsible for detecting motion in the rear zone of the vehicle and transmitting a signal to the tailgate control module. This allows for convenient trunk opening without using a remote control or an interior button. This solution improves the ergonomics of trunk operation and enhances the comfort of using the car in urban conditions and during longer journeys.

The component is designed for installation at the rear of the body, in the bumper area or beam, depending on the specific model configuration. As part of the comfort access system, it works with the vehicle's factory controllers, ensuring consistent operation of all functions related to opening and closing the tailgate.

Compatibility with BMW and Mini

The presented sensor is designed for selected BMW F-series and facelifted Mini models that feature the contactless tailgate opening function. This means that the design, connectors, and mounting method are adapted to the manufacturer's factory solutions. This ensures that integration with the vehicle's electrical system is orderly and in line with the manufacturer's specifications.

Its original origin from the BMW Group helps maintain proper operating parameters, such as motion detection sensitivity and cooperation with the vehicle's safety systems. This is particularly important for components responsible for controlling moving body parts.

Installation and Operational Characteristics

The sensor is designed for installation at the rear of the vehicle, which is due to its function related to the tailgate operation. In practice, this means access to the lower part of the bumper or structural elements near it is required. With proper installation, the correct detection field geometry is maintained, which translates to predictable operation of the Smart Opener function.

As a used component, the sensor comes from vehicle dismantling and is intended for users looking for original parts at a more favorable price than new replacements. This type of solution is often chosen for servicing comfort access systems when maintaining factory specifications and compatibility with the existing installation is a priority.

Benefits of Using an Original Sensor

Using an original Smart Opener sensor at the rear of the vehicle allows for consistent operation of the entire comfort access system. The user gains:

• preservation of the contactless tailgate opening function according to factory settings,
• compatibility with the vehicle's electrical system and architecture,
• consistent operation with other components of the comfort access system.

For many users, it is also important that original BMW and Mini components are designed for long-term operation in demanding conditions, which promotes stable system performance in daily use.

Related Components and Additional Information

If you are planning a comprehensive repair or upgrade of the rear area of your BMW and need other components from the same group, such as sensors, wiring harnesses, or control modules, check the available parts in the Other BMW category.

When selecting components for advanced drive and suspension systems, as well as when comparing solutions used in different sports models, the material describing the structural differences in high-performance vehicles may be helpful – more information can be found in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?.

If you are considering the choice between new and used parts and want to better understand the differences in durability and cost-effectiveness, it is worth reading the guide Car Parts – New or Used? Comparing Costs, Quality, and Durability, which discusses the practical aspects of selecting components for passenger cars.