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Adaptive Headlight Module Replacement
 
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Pelican Technical Article:

Adaptive Headlight Module Replacement

Steve Vernon

Time:

3 hours3 hrs

Tab:

$250 to $500

Talent:

**

Tools:

T20 Torx, 8mm socket, long extension, long handles magnet

Applicable Models:

BMW E65 7-Series (2002-08)

Parts Required:

Active headlight module

Hot Tip:

Clean any dirt or debris from the housing

Performance Gain:

Working headlights

Complementary Modification:

Polish the headlight lens

The headlights on the E65 are "adaptive". What that term means is that BMW has tied the continuous aiming of the lights into sensors on the suspension for pitch and yaw as well as the steering angle sensor. As the vehicle turns, accelerates or brakes the active headlight module processes this information and constantly adjusts the aim of the headlights. If the module fails not only will you get an error code the headlights will fail to work at all. The module is located on the front inside of the headlight assembly and is easy to change but you do need to remove the front bumper cover as well as partially remove the headlight assembly to access it.

The procedures are the same for both sides.

The adaptive headlight control unit is located on the front inner of the headlight assembly (red arrows, not shown) and requires removing the front bumper cover for access.
Figure 1

The adaptive headlight control unit is located on the front inner of the headlight assembly (red arrows, not shown) and requires removing the front bumper cover for access.

Please see our article on front bumper cover removal for step by step instructions on removing the bumper cover.
Figure 2

Please see our article on front bumper cover removal for step by step instructions on removing the bumper cover.

There are six 8mm screws holding the headlight assembly in place, two on the top of the assembly (red arrows), two that are behind and below in the rear (yellow arrows) and two accessed from underneath (blue arrows).
Figure 3

There are six 8mm screws holding the headlight assembly in place, two on the top of the assembly (red arrows), two that are behind and below in the rear (yellow arrows) and two accessed from underneath (blue arrows). The two on the rear (yellow arrows) are removed by using a long extension with a magnet so when the screws come lose you will not loose them.

The module is located on the front of the assembly (red arrow, but you need to slip the assembly forward away from the cross member to access it).
Figure 4

The module is located on the front of the assembly (red arrow, but you need to slip the assembly forward away from the cross member to access it).

With the assembly partially out you can change it (red arrow).
Figure 5

With the assembly partially out you can change it (red arrow). If you have gotten this far I recommend disconnecting the two electrical connections on the rear of the housing (yellow arrows) and taking it to your bench to work on it.

You can see the module on the inside corner of the housing.
Figure 6

You can see the module on the inside corner of the housing. Use a T20 Torx and remove the four screws holding it in place (red arrows).

With the screws removed you can pull the unit straight off the housing.
Figure 7

With the screws removed you can pull the unit straight off the housing. A rubber gasket in the new module protects the connections. Make sure to give the area a good cleaning, as this area can get a lot of dirt and debris (red arrow). You want to make sure the gasket makes a good seal. Installation is the reverse of removal.

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Page last updated: Sat 12/3/2016 03:05:14 AM