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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Help! E90 LCI Halogen to Xenon



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      05-23-2012, 08:49 PM   #133
davidzf
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Quote:
Originally Posted by Virterm View Post
Do you have a volt meter? Can u see if you get any voltage WITHOUT the bulb?
It must be related to wiring.....
I will be going through the same pain soon, just getting ready to swap my halogens with xenons on 2011 e90.....
Did you modify your wiring inside the headlight or on the original harness ?
hey dud,thank you for reply

I jump the pin5 to pin6 inside the headlight

add GND on pin2

nothing more

...

buy a volt meter or go to the dealler,Its a
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      05-23-2012, 09:53 PM   #134
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Quote:
Originally Posted by davidzf View Post
hey dud,thank you for reply

I jump the pin5 to pin6 inside the headlight

add GND on pin2

nothing more

...

buy a volt meter or go to the dealler,Its a
Just get an inexpensive multimeter. What I would suggest to do is as follows:
Disconnect the lights, or better just the AE bulb ( or cable) and see if the error goes away. Then, measure the voltage between ground and pin 1 (AE). Also, I would suggest to compare resistance ( ohm meter) on both lights AFTER disconnecting them. Measure between pins 1 and ground ( with and without bulb but WITHOUT POWER CONNECTED!!!!)
This way we should be able to see if the unit is even trying to power the AE and also if you have short in the housing.

Last edited by Virterm; 05-23-2012 at 10:25 PM.
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      05-23-2012, 10:24 PM   #135
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Quote:
Originally Posted by Virterm View Post
Just get an inexpensive multimeter. What I would suggest to do is as follows:
Disconnect the lights, or better just the AE bulb ( or cable) and see if the error goes away. Then, measure the voltage between ground and pin 1 (AE). Also, I would suggest to compare resistance ( ohm meter) on both lights AFTER disconnecting them. Measure between pins 1 and ground.
This way we should be able to see if the unit is even trying to power the AE and also if you have short in the housing.
Btw, the bulb resistance should be around 4 ohm....if I calculated correctly....
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      05-24-2012, 04:16 AM   #136
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Quote:
Originally Posted by Virterm View Post
Btw, the bulb resistance should be around 4 ohm....if I calculated correctly....
thanks alot
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      05-24-2012, 05:37 AM   #137
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Quote:
Originally Posted by Virterm View Post
Just get an inexpensive multimeter. What I would suggest to do is as follows:
Disconnect the lights, or better just the AE bulb ( or cable) and see if the error goes away. Then, measure the voltage between ground and pin 1 (AE). Also, I would suggest to compare resistance ( ohm meter) on both lights AFTER disconnecting them. Measure between pins 1 and ground ( with and without bulb but WITHOUT POWER CONNECTED!!!!)
This way we should be able to see if the unit is even trying to power the AE and also if you have short in the housing.
When you disconnect that offending bulb/light you actually need to reset the counter in order to get the voltage back, most likely your error will only get away after that as well.
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      05-24-2012, 06:04 AM   #138
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Quote:
Originally Posted by davidzf View Post
thanks alot
Also, forgot to ask but what AE bulbs do u have installed? OEM?
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      05-25-2012, 04:40 AM   #139
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Quote:
Originally Posted by Virterm View Post
Also, forgot to ask but what AE bulbs do u have installed? OEM?
yes,oem
the whole headlights are all oem.

I have measure the AE output voltage ,the right side is "0",I try to reset the short circuit counter with tool32,but it is not working.

......

I think I should put back the halogen on,then go to the dealer...
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      05-25-2012, 05:08 AM   #140
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Quote:
Originally Posted by davidzf View Post
yes,oem
the whole headlights are all oem.

I have measure the AE output voltage ,the right side is "0",I try to reset the short circuit counter with tool32,but it is not working.

......

I think I should put back the halogen on,then go to the dealer...
Did you measure resistance on the AE without power ?
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      05-25-2012, 05:16 AM   #141
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Quote:
Originally Posted by davidzf View Post
yes,oem
the whole headlights are all oem.

I have measure the AE output voltage ,the right side is "0",I try to reset the short circuit counter with tool32,but it is not working.

......

I think I should put back the halogen on,then go to the dealer...
I would suggest to check for short first. This could be preventing you from resetting the counter.... However I don't think that this is it. Please look at the thread from my email the other day, they talk about resetting the counter. But again, have your light disconnected or at least pin 1 to make sure that there is no short to ground so the FRM will not try to protect itself. If you find a short with ohmmeter, we will know exactly the cause of this problem. It must be either short to ground or just over current protection caused by 35w power consumption. You never unswered my question about coding off cold and warm checks for bulbs , did you do that?

Last edited by Virterm; 05-25-2012 at 05:31 AM.
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      08-07-2012, 03:54 AM   #142
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ok,let I finish the title now

for e90lci's frm3,pin out toAE with xenon is different with which with halogen .

I rewiring it,now Its all ok!

yeah~

thank you all Virterm\Ninja\carlos...
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      08-07-2012, 04:49 AM   #143
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Quote:
Originally Posted by davidzf View Post
ok,let I finish the title now

for e90lci's frm3,pin out toAE with xenon is different with which with halogen .

I rewiring it,now Its all ok!

yeah~

thank you all Virterm\Ninja\carlos...
what is the procedure to work from halogen to xenon?
what you rewiring?
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      08-07-2012, 10:57 AM   #144
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Quote:
Originally Posted by Alex_WLY View Post
what is the procedure to work from halogen to xenon?
what you rewiring?
hi alex,I solved my short circuit problem with AE

I rewiring 2 wire from frm module to the headlight.
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      09-12-2012, 08:22 AM   #145
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Quote:
Originally Posted by DESI4life10 View Post
Sorry, I got it mixed up.

If you follow the back of the headlight towards the fender you will see like a black pastic plug on the fendor. Remove that plug and it will reveal another + like screw hole that moves the projector left and right.
This thread has helped me a lot with the coding, as I'm also doing the conversion recently. I'm going from pre-lci halo to pre-lci euro non-adaptive, does anyone know if I can do the same left/right adjustment? should have taken some pics before putting them on the car, but just couldn't wait.
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      09-12-2012, 05:36 PM   #146
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Quote:
Originally Posted by davidzf View Post
hi alex,I solved my short circuit problem with AE

I rewiring 2 wire from frm module to the headlight.
what wires need to change?
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      09-12-2012, 05:40 PM   #147
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Quote:
Originally Posted by Alex_WLY View Post
what wires need to change?
You don't need to change anything unless you did something wrong with wiring inside your headlights
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      09-13-2012, 10:54 AM   #148
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Quote:
Originally Posted by Virterm View Post
You don't need to change anything unless you did something wrong with wiring inside your headlights
headlights are original.
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      09-13-2012, 01:03 PM   #149
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Quote:
Originally Posted by Alex_WLY View Post
headlights are original.
Well, if you are moving from halogen to xenons you need to either modify your OEM harness or light housing inside. You can find several sets of instruction on this forum. There is no need to modify wiring at the other end of the OEM harness.
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      09-14-2012, 04:37 AM   #150
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my car has xenon.
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      09-14-2012, 06:37 AM   #151
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Quote:
Originally Posted by Alex_WLY View Post
my car has xenon.
Then, it would just be plug and play
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      11-13-2012, 09:19 PM   #152
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Hi David, I noticed your post about issue with RH AE not working after retrofitting from LCI Halogen to LCI Xenon with FRM3, I have the same problem can you tell me how you fixed it?
Regards
Jason
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      11-16-2012, 02:48 AM   #153
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my car was nLCI with xenon.
after retofit to LCI front/rear was the same problem.AE form right doesn't work.
but the problem isn't the coding.you have cu change cable from FRM to headlights like an LCI diagram.
cables dosen't the same from nLCI to LCI.

from nLCI the wire from AE is located in PIN 1,but from LCI wire from PIN 1 it's for three leds.

That is the problem for which angel eyes doesn't make dimming.
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      12-13-2012, 05:35 AM   #154
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Hi All,

i have purchased a set of xenons and new footwell module for my e87 and i can't get them to work. I went to dealer to code the footwell module for xenons but few seconds after the car is turned on, angel eyes goes of. Computer is giving a short circuit fault. Could any one help with this please? i tried to add an error canceller and also changing pin 5 to pin 6 but no luck.
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