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7 Series - F01 / F02 (2009 - 2015)
The 5th generation F01/F02 BMW 7 Series flagship forum. The redesigned 7 series leads off the BMW Fxx chassis code, offering an 8 speed automatic transmission and all turbocharged engine options.

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  #1  
Old 04-27-2016, 05:52 AM
tonylito tonylito is offline
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Location: MA
 
Join Date: Jun 2013
Posts: 4
Mein Auto: 750
Adaptive Headlight / Low Beam Malfunctions - headlight access

a. I changed the low beam bulb thru the top .. hard but doable. It requires you take the shroud off and use and angle ratchet and small hands.
b. When i did that ... still same symptoms: Turn on car, lights flicker while warming up .... grows stronger than then shuts off. Adaptive Headlight Malfunction, Low Beam Malfunction are the error codes.
c. bought a ballast unit off of eBay ... and want to replace it. That you cant do thru the top. Sooooo

* can anyone tell me if this sounds like the ballast vs. say the 'controller'?
* can someone point me to directions to get in thru the wheel well ... I'm petrified to pull off bumper .. i'll get it back on but it won't be right.
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Old 05-02-2016, 05:17 PM
tonylito tonylito is offline
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Location: MA
 
Join Date: Jun 2013
Posts: 4
Mein Auto: 750
Low Beam and Adaptive Headlight Malfunction Error Messages ....
Replaced Xenon Bulb .. same problem:

still flickers as it warms up and then goes out - error returns.

Is this the Ballast ? Or control unit?

Seems that realoem might have them labeledbackwards?

http://www.realoem.com/bmw/enUS/show...diagId=63_1100

where 01 Headlight ballast moldule, xenon light
where 02 CONTROL UNIT XENON LIGHT

but ... but when i seach ballast on google or eBay .. it shows them reversed. Which is which.

Silver container on side of the assembly that you can see from engine compartment =?
Black Carrier with PCB on it that is accessible thru the wheel well = ?

which on is the likely culprit?
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