Land Rover Discovery L319 Ultrasonic Alarm System Module Control Unit EFY500050

The Land Rover Discovery L319 Ultrasonic Alarm Module Cover EFY500050 is a specialized protective component designed to safeguard the ultrasonic sensor module within the alarm system. This used BMW OE part ensures a factory fit, stable mounting, and proper shielding from external factors, contributing to the reliable operation of the vehicle's security system.

Specifications and technical data

• SKU: EFY500050
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: EFY500050
• Substitutable numbers: EFY500050, 156219800, YWC500350, 5H2Z19G274DA, 5H2Z-19G274-DA
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function of the Ultrasonic Alarm Module Cover

The ultrasonic alarm module cover is responsible for physically protecting the sensor from dust, minor debris, and accidental mechanical damage inside the vehicle. A correctly selected component:

• stabilizes the position of the alarm module in its factory mounting point,
• reduces the risk of loose wiring harnesses and connectors,
• helps maintain optimal operating conditions for the ultrasonic sensors,
• assists in preserving the integrity of the alarm system with the original manufacturer's configuration.

This ensures that the alarm system can react predictably and in accordance with the vehicle's design specifications.

Compatibility and Mounting Fit

The presented ultrasonic alarm module cover is designed as an OEM component, meaning it retains the original geometry, mounting points, and shape that interface with the factory alarm module. In practice, this translates to:

• easier installation without the need for modifications to the wiring,
• a secure fit with adjacent interior elements,
• maintaining the manufacturer-intended position of the sensors relative to the cabin space.

Such a precise fit is particularly crucial for ultrasonic sensors, whose effectiveness depends on proper alignment and the absence of unintended obstructions in their detection field.

Characteristics of a Used BMW OE Part

This cover comes from the BMW OE line, meaning it is an original component that retains the manufacturer's specifications. As a used part:

• it preserves the original construction and material intended for use in the specific model,
• it allows for an economical repair or restoration of the alarm system,
• it is a sensible choice for vehicle servicing where maintaining the factory security system is paramount.

Opting for an original cover helps minimize potential installation issues that can arise when using unverified aftermarket replacements with different geometries.

Interchangeable Numbers and Part Identification

The component is assigned an OEM part number and a set of interchangeable numbers, facilitating unambiguous identification in service catalogs and parts selection systems. This allows for precise verification of the cover's compatibility with a specific vehicle configuration and helps prevent the installation of an incorrect component in the alarm system.

Application in Service Practice

Replacing the ultrasonic alarm module cover is recommended in situations where:

• the original component has cracked or become deformed,
• there has been interference with the alarm system, and restoring the factory setup is necessary,
• sensor malfunctions occur, and diagnostics indicate improper mounting or lack of module protection.

Selecting the correct cover allows for the restoration of proper sensor operating conditions, which directly impacts the effectiveness of the vehicle's protection against unauthorized access.

If you are interested in comparing solutions used in high-performance cars during the upgrade or modernization of powertrain and braking systems, it is worth consulting material discussing design differences – more information can be found in the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.

If you plan further work on security systems or other interior components of vehicles of this brand and wish to maintain consistency with factory solutions, check the available parts in the Other BMW category.