Adaptive Xenon Headlight Driver Module 63117440879 for BMW 4 Series, M3, M4, X5, X6 (2014-2019)

New adaptive xenon headlight driver module (TMS), a replacement for BMW 63117440879 (supersedes 63117427612), for 2014-2017 BMW 428i, 430i, 435i and 440i, 2015-2018 M3, 2015-2017 M4, 2014-2018 X5 and 2015-2019 X6 with factory adaptive xenon headlights. Replacement unit for BMW, not a Genuine BMW part. Free shipping to the lower 48.

Fix a Dark or Flickering Xenon Headlight

This module controls the adaptive xenon headlight (swivel / leveling and light functions). When it fails the headlight or its adaptive function can stop working and a lighting fault can appear. Replacing just the module costs far less than a complete headlamp.

Fits

Fits vehicles with the factory Xenon headlamp. Match the part number on your old module before ordering.

OEM / Interchange Part Numbers

• BMW 63117440879 / 7440879-01
• 63117427612 / 7427612
• Replaces 7378511, 7396128, 7409583

Common Signs of a Failed Module

• Headlight goes out or flickers
• Adaptive / cornering headlight function stops working
• Headlight or lighting fault message on the dash
• One headlight dead while the bulb is good

Specs

• Brand: replacement for BMW (not Genuine OEM)
• Lighting technology: Xenon (adaptive headlight)
• Function: headlight driver module
• Placement: front left or right headlight
• Programming: required (BMW ISTA or equivalent)
• Sold as one unit, new
• Warranty: 1 year

What's Included

• 1 x headlight driver module 63117440879 (replacement)

Installation

1. Switch the lights and ignition off and disconnect the negative battery cable.
2. On the BMW 4 Series, M3, M4, X5 or X6 the driver module is mounted to the back or bottom of the headlamp housing. On most models the headlamp has to be unbolted and pulled forward (bumper cover loosened) to reach it.
3. Unplug the module connector, remove the screws holding it and take the old module off.
4. Compare the part number on your old module to the numbers above before fitting the new one.
5. Fit the new module, refit its screws and lock the connector fully. Reinstall the headlamp and trim and reconnect the battery.
6. Then test the headlight. This BMW module must be initialized / coded to the vehicle with BMW ISTA or equivalent before it works correctly, so plan for a dealer or specialist shop visit if you do not have one.

FAQ

Is this a Genuine BMW part?
No. It is a new replacement built to fit in place of BMW 63117440879 and 63117427612.

Does it fit either side?
Yes, it fits the left or right adaptive xenon headlight. It must be coded to the vehicle after install.

Is shipping free?
Yes, shipping is free to the lower 48 US states.