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Old 11-28-2016, 03:26 PM
Smule97 Smule97 is offline
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Location: Poland
Join Date: Nov 2016
Posts: 3
Mein Auto: BMW E53 3.0i Lift
Xenon Controler unit replacement LIFT

Firstly I would like to say hi, because it's my first post.

I've got lift BMW E53 with bi-xenons. My controler unit by Hella got wet, as i know there is no way to repair this so I guess i need to change it.
Do u know how to do it? I don't know where to find it, it's for sure not in reflector. Have seen a couple of youtube video's but all're about pre-lift version with xenons, not bi-xenons.
Please, tell me what to do and where to find that controler unit. I think im able to change it (and seal it, so it won't get wet anymore) unless i dont nead unscrew half of the car.

Thanks and greetings.
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Old 12-06-2016, 08:14 AM
QSilver7's Avatar
QSilver7 QSilver7 is offline
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Location: Northeast Indiana
Join Date: Aug 2008
Posts: 9,583
Mein Auto: 1997 740iL / 2006 X5 4.4
Model year & build date helps us help you better in case we need to look up parts etc.

The diagram below is for the adaptive bi-xenon headlamp/headlight...I used my 06 X5 4.4 to pull up the diagram and part nbr index. There are two "controllers"...#1 & #5. I believe #5 is also referred to as the ALC module...and is used if you have the "adaptive" bi-xenon headlights.

To get to these components...you'll need to pull the headlight assembly from the vehicle...flip it over and you'll probably be looking right at them.

Examples of xenon headlamps and location of ballast/controllers etc:

{from an e60 5 series w/bi-xenon headlamps}

{from an e38 w/xenon headlamps}

Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

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