BMW F15 X5 LED Headlight Ballast Control Module 63117354274 - Used Original Parts

Diagnosis and Common Symptoms

The LED Headlight Ballast Control Module on the F15 X5 platform serves as the primary driver unit for the LED headlight array, regulating voltage output and managing communication between the headlight cluster and the vehicle's central body network. When this module begins to fail, technicians typically see fault codes such as 5E0F, 5E12, or 801A stored in the FRM (Footwell Module) or LED module fault memory during an ISTA scan. Common driver-reported symptoms include one-sided headlight flicker or complete shutdown, a headlight warning icon on the instrument cluster, "Check Headlight" or "Defective Bulb" messages despite the LED units being intact, and inconsistent daytime running light behavior. In many cases, the affected side will drop to reduced brightness or intermittently cut out during engine vibration or temperature fluctuation, indicating a failing solder joint or internal driver stage inside the ballast itself. Because this module governs both low beam and cornering LED segments, failure often mimics a bulb-out condition even though the LED array is fully functional.

Introduction

This listing is for a Genuine Used BMW F15 X5 LED Headlight Ballast Control Module, part number 63117354274, pulled directly from a verified donor vehicle. Every unit we offer has been Tested for full functional output prior to listing, confirming proper voltage regulation and LED driver response. As a Genuine Used component, it carries the exact factory calibration and build quality of the original equipment, avoiding the fitment and reliability issues common with aftermarket reproductions. This is an ideal solution for owners looking to restore correct headlight operation without the expense of a new dealer unit.

Product Details

• Brand: BMW
• Model Compatibility: F15 X5 (2014-2018)
• Part Name: LED Headlight Ballast Control Module
• Part Number: 63117354274
• Condition: Genuine Used (Tested Working)
• Notes: Module tested on bench rig for output consistency and driver response prior to shipment; recommend confirming chassis number compatibility before installation due to running production changes across F15 model years.