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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 06-10-2014, 07:35 PM
nashvegasr nashvegasr is offline
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Location: Nashville TN
 
Join Date: Jun 2014
Posts: 5
Mein Auto: 2009 M3 E93
E92/E93 Adaptive Headlamp Expert Needed

Hi everyone,

Hoping to connect w/ someone who knows about e92 headlamps. I have somehow broken the horizontal adjuster on my passenger side headlight - 2009 M3, e93, AHL/xenon/adaptive headlamp. Talking about the adjuster that moves the beam slightly LEFT AND RIGHT for adjustment, this is hidden beneath a capped hole in the fender of the car. NOT the adjuster on top of the headlamp that controls vertical adjustment.

When I turn it thru the hole in the frame, it click-click-clicks, as if something inside the headlight isn't connected. If the light is on, beam bounces / ratchets a bit. I may, um, have adjusted it too far in the wrong direction, but I"m not sure. The issue started when I moved the headlights from my other car, 335i, to the M3. In the process of adjusting the headlights to the different car, this happened. Probably my own fault.

Here's a reference pic showing the adjuster. This is what is not adjusting anymore. It moves about a half turn, then "clicks", like it's skipping.

What stinks here is that these are brand new (1/2014) headlights.

Can I disassemble the headlight and fix this? I've read alot about fixing the VERTICAL adjustment by popping a ball back in the socket, but not sure of what my options here are for the horizontal adjuster.

It's triggering an AHL failure about 75% of the time right now.

I know "buy a new housing" is on the table but I'm sure there's a way to figure this out. Trying to decide if I take the front bumper off, wrestle off the headlight again and take it apart.
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Last edited by nashvegasr; 06-10-2014 at 07:36 PM.
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  #2  
Old 06-11-2014, 10:58 AM
bimmertech113 bimmertech113 is offline
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Location: TN
 
Join Date: Sep 2012
Posts: 99
Mein Auto: a car
I'm a BMW master tech in the Nashville area. You want me to take a look at it? Just pm me if interested.


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  #3  
Old 06-11-2014, 02:06 PM
fdriller9 fdriller9 is online now
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Location: NJ/Philly
 
Join Date: Oct 2006
Posts: 3,051
Mein Auto: '06 AW 330xi
That piece you turn comes out. It is friction fit and there is an o-ring sealing it. Just pry it up and you will see the geared bottom. If that is ok (and if those teeth are ok, then the teeth inside the opening are ok too), then you probably turned the knob so much you unscrewed it from the carrier.

If you open the back, main door, you can push/pull on the projector carrier. If it's loose at all, you did what I described above or broken the assembly. It should be stationary. Most likely you unscrewed it all the way.

You can try pulling the projector carrier and seeing if you can align the adjustment mechanism again.
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Last edited by fdriller9; 06-11-2014 at 02:08 PM.
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  #4  
Old 06-11-2014, 09:37 PM
nashvegasr nashvegasr is offline
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Location: Nashville TN
 
Join Date: Jun 2014
Posts: 5
Mein Auto: 2009 M3 E93
Thanks all

Thanks - that's JUST what I needed (ie knowing that it might come apart and I have at least a shot at fixing it. I'll add it to the weekend project slate)
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  #5  
Old 06-11-2014, 09:38 PM
nashvegasr nashvegasr is offline
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Location: Nashville TN
 
Join Date: Jun 2014
Posts: 5
Mein Auto: 2009 M3 E93
Quote:
Originally Posted by bimmertech113 View Post
I'm a BMW master tech in the Nashville area. You want me to take a look at it? Just pm me if interested.


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I just may take you up on that. Thanks for the offer - much much appreciated. I'm going to give it a go myself first !
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