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LHD to RHD headlight conversion Pre-LCI or LCI ++
Published by Autotuned M3
10-09-2010
LHD to RHD headlight conversion Pre-LCI or LCI ++

For those of your purchasing headlights, Sometimes you run on a great deal for some RHD headlights. Or, those of your who need RHD headlights can only find LHD headlights. The thing is, they are exactly the same. However, there is one quick mod you must do inorder to create the correct cutoff line so that you don't blind oncoming traffic.

(Headlights can remain on car while this modification is done)

1: Open the rear cover

2: Look on the Lowbeam projector for a small plastic arm and flip it Left or Right depending on what you need (LHD/RHD)

3: Grab a Beer and Enjoy


There is a spring loaded mechanism inside the projector shutter. With this simple arm you can change the cutoff line to either LHD or RHD. I will include pics of the mechanism and the difference it makes when you flip this shutter.

Feel free to ask any questions

AT
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  #1  
By pengful on 10-10-2010, 12:11 AM
Is this true? My god! All this while I thought there was some great mystery to LHD & RHD headlights.
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  #2  
By Autotuned M3 on 10-10-2010, 05:00 PM
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Quote:
Originally Posted by pengful View Post
Is this true? My god! All this while I thought there was some great mystery to LHD & RHD headlights.
yup thats it
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  #3  
By saeng on 11-30-2010, 05:59 PM
Do u have any pic when you remove the projector from the headlight?
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  #4  
By saeng on 11-30-2010, 06:00 PM
Can u pm me?
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  #5  
By Autotuned M3 on 12-06-2010, 09:52 AM
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Quote:
Originally Posted by saeng View Post
Can u pm me?
PM'd
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  #6  
By saeng on 12-06-2010, 12:55 PM
I just needed a diy when you remove the projector from the headlight?
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  #7  
By Karthy on 12-08-2010, 11:04 PM
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yeahhh i was great!!! that u can remove the projector without cracking it open!!!

i would like to know how to remove the projector lens?
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  #8  
By Autotuned M3 on 01-16-2011, 04:12 PM
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removing the projector from the headlight in a PAIN IN THE A*S

Takes alot of patience..
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  #9  
By Karthy on 07-18-2011, 03:23 PM
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woww

hahaha Ok thx u very much i will do it tomorrow
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  #10  
By shyestsparks on 11-28-2011, 10:12 PM
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Quick question; so for LHD is it like this? -----\_____ on the metal shutter inside? And for RHD is it like this? ____\----- when looking from behind the headlight assembly. Are they the same for both headlights? Thanks.
Last edited by shyestsparks; 11-28-2011 at 10:49 PM.
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  #11  
By boysie on 12-13-2011, 07:14 AM
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LHD to RHD conversion

I know your post is old but I found it on a search for relevant threads. I have a similar problem, but my car is LHD and wish to import. You can't modify LHD headlamps in this way (just RHD) so you have to replace. I'm told that after market replacement headlights may not "talk" to the E91 software, and so can cause further problems if you fit them. Do you have experience of this?
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  #12  
By kiwi29 on 12-13-2011, 08:03 AM
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does this allow you to see better ? or how does this work? sorry not familiar with rhd and lhd distinctions in the lights
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  #13  
By boysie on 12-13-2011, 11:03 AM
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Quote:
Originally Posted by kiwi29 View Post
does this allow you to see better ? or how does this work? sorry not familiar with rhd and lhd distinctions in the lights
I have a LHD 330d E91, brought into UK from Germany. To register in UK, it needs RHD headlamps (because the LHD headlamp light beam is aligned incorrectly).
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  #14  
By kiwi29 on 12-13-2011, 06:33 PM
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Quote:
Originally Posted by boysie View Post
I have a LHD 330d E91, brought into UK from Germany. To register in UK, it needs RHD headlamps (because the LHD headlamp light beam is aligned incorrectly).
ohhhh i see, so this wont lift the level of the lights ? my lights seem to point too low to the floor imo and i thought this would be the fix :/ but thank you for letting me know
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  #15  
By bmw130i on 12-14-2011, 06:51 PM
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Just installed a LDH right side AHL Bi-Xenon to a RHD car and changed the beam shape to suit RHD. For a RHD the right side off beam on the right side headlamp - driver side - needs to point downwards so it does not blind incoming traffic.

Worked perfectly

Once the beam shape is adjusted, one may also need to adjust the vertical and horizontal aim of the light. This is done from above the headlamp (no need to open the headlamp assembly) - open the bonnet and have a look at the headlamp from above - same position as you would check the cooling water level. There is a plastic adjustment screw mid rear of the headlamp assembly that will adjust the vertical aim and quite hard to see trough a fender hole at the side of the headlamp, the horizontal aim adjuster.
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  #16  
By ems23 on 01-17-2012, 07:31 PM
Can you do this with the lights in the car, and without removing the wheels, wheel arches etc?
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  #17  
By Singh97 on 05-05-2012, 10:14 PM
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Sorry for bringing up this old DYI..
Can somebody clear that in which direction the arm should be for US spec (LHD) cars. The arm should be facing downwards or upwards??
Also is the setting same for both side headlights (Driver's and passenger's)??
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  #18  
By ed.w on 05-30-2012, 09:38 PM
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hi all,

Can i just put my finger in and pull the button ?
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  #19  
By Terryk on 05-07-2013, 11:47 AM
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sorry for bringing up this thread but I just wanted to write that you can do the trick with the lever only if you have projectors (Bi xenon lights) headlights.
if not, then you have to buy another pair of headlights. I forced to buy a used RHD pair when I decided to get uk plates.
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  #20  
By Simply335 on 05-23-2013, 06:50 AM
hi guys i know this is an old thread but i opnly came across this...

can anyone confirm if this applies do LCI xenon headlights too?
i have pre LCI halogen RHD and thinking of conversion to LCI bixenon headlights...
live in the UK but i have links in Germany so i could get quite easy cheaper headlight units but question is if the beam can be adjusted to UK?
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  #21  
By ryuunfujihara on 02-10-2014, 08:57 AM
Does anyone know if the LCI Halogen headlights have this switch also?
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