Marelli LRB390 High Intensity Discharge (HID) Headlight Control Module

Reliable HID Headlight Control Module for BMW and Mini Vehicles

The Marelli LRB390 High Intensity Discharge (HID) Headlight Control Module is designed to ensure optimal lighting performance for select BMW and Mini models. This control module manages the HID headlights, providing consistent illumination and reliable operation.

• Compatible with BMW 335i xDrive, 640i, 640i Gran Coupe, 640i xDrive, 640i xDrive Gran Coupe, 650i, M6, M6 Gran Coupe, X3, and X5 models
• Also fits Mini Cooper, Cooper Countryman, and Cooper Paceman models
• Part number LRB390 for precise identification and fitment
• Controls HID headlight functions for improved lighting response
• Engineered by Marelli for automotive electrical and lighting systems

Product Overview and Functionality

The Marelli LRB390 HID Headlight Control Module is an essential component in the electrical system of compatible BMW and Mini vehicles. It regulates the operation of high intensity discharge headlights, ensuring proper voltage and timing for headlight ignition and performance. This module helps maintain consistent light output and prevents flickering or failure of the HID system. Designed specifically for the listed models, the LRB390 integrates seamlessly with the vehicle’s existing electrical architecture.

Common Applications and Problem Resolution

• Resolves intermittent or non-functioning HID headlights on BMW 335i xDrive and 640i xDrive models
• Addresses flickering or delayed headlight ignition in Mini Cooper Countryman and Paceman vehicles
• Replaces faulty control modules causing headlight warning lights on BMW M6 and X5
• Improves headlight reliability and performance in 650i and 640i Gran Coupe models
• Restores proper HID headlight operation after electrical system faults

Installation Notes and Tips

Installation of the Marelli LRB390 control module should be performed by a qualified automotive technician familiar with BMW and Mini electrical systems. Ensure the vehicle’s battery is disconnected before beginning installation to prevent electrical damage. Verify compatibility with the specific vehicle model and year prior to installation. After replacement, perform a system check to confirm proper headlight function and reset any related warning indicators.

Quality Assurance and Warranty Information

Marelli manufactures the LRB390 control module to meet OEM standards for durability and performance. While specific warranty details may vary, Marelli products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms related to the LRB390 HID Headlight Control Module.