[rawdog573]

i cant really find any info on this. and im sure its normal operation but figured i would ask. my 335 has the xenon headlights and uses the far outer xenon bulb for hi and low. im assuming this is normal. but what would the inner headlight bulb be used for other than daytime running lights. if i change these out with led or another xenon bulb is there a way i can code the dme to use this as a normal function also?

[Jagtem]

I know they can be coded to operate as hi-beams/ flash-to-pass lights. There's a setting in the FRM to use either the outer xenons or the inner halogens as hi-beams/ flash-to-pass.

[rawdog573]

Originally Posted by Jagtem

I know they can be coded to operate as hi-beams/ flash-to-pass lights. There's a setting in the FRM to use either the outer xenons or the inner halogens as hi-beams/ flash-to-pass.

So it can only be changed with coding

[rawdog573]

Originally Posted by Jagtem

I know they can be coded to operate as hi-beams/ flash-to-pass lights. There's a setting in the FRM to use either the outer xenons or the inner halogens as hi-beams/ flash-to-pass.

I know it's hard to tell because it isn't dark outside but is there any reason why my driver side bulb in significantly brighter than the passenger side. One picture is with driver wide covered up. The brighter one is with driver side showing

[Jagtem]

That, I don't know. Is the bulb itself brighter, or is the aim off? The driver side should be aimed slightly lower on any LHD car.

[type-dRew]

Brighter because aim is off or one bulb was replaced and the other wasnt.

The inner bulb on adaptive lights is used as a cornering light, turn the wheel while pointing against a wall and you will see the light on the side you are turning illuminate that direction.

[rawdog573]

Originally Posted by type-dRew

Brighter because aim is off or one bulb was replaced and the other wasnt.

The inner bulb on adaptive lights is used as a cornering light, turn the wheel while pointing against a wall and you will see the light on the side you are turning illuminate that direction.

My Inner bulbs don't turn on when the wheel turns

[rawdog573]

Originally Posted by Jagtem

That, I don't know. Is the bulb itself brighter, or is the aim off? The driver side should be aimed slightly lower on any LHD car.

Bulb is brighter. I re adjusted my headlights because I wanted them slightly higher they were a little low. But the driver side itself is way brighter. I have them sitting even. I just ordered 2 new bulbs with a 600k brightness. Hopefully new bulbs fixes the issue. If not may be a ground problem

[type-dRew]

Originally Posted by rawdog573

My Inner bulbs don't turn on when the wheel turns

Adaptive headlights should always have that function unless its been coded out.

What year is the car?

[TheMidnightNarwhal]

Originally Posted by rawdog573

Bulb is brighter. I re adjusted my headlights because I wanted them slightly higher they were a little low. But the driver side itself is way brighter. I have them sitting even. I just ordered 2 new bulbs with a 600k brightness. Hopefully new bulbs fixes the issue. If not may be a ground problem

I think you meant 6000k rather than 600k? Also note that is the color temp NOT the brightness, it just changes the light color/tint. The higher it is the more white and blue it becomes. Actually the higher color temp you go the less lumens (brightness) output. OEM is 4700k to give you an idea but has a yellow ish tint.

I personally just ordered cheapo Amazon 6000k to compare brightness and tint since I like a whiter glow than yellow ish. If I lose to much output I won't keep them

As for your cornering lights try again at night with headlights to auto and put your indicator. It should turn on to. Also when you go to reverse, both cornering inner lights should light up when headlights are on.

If they still don't light up then perhaps they were coded out or bulb is dead. But I think you would get a warning... not 100% sure tho.

[rawdog573]

Originally Posted by TheMidnightNarwhal

I think you meant 6000k rather than 600k? Also not that is the color temp NOT the brgithenss. Actually the higher color temp you go the less lumens (brightness) you have. OEM is 4700k but has a yellow ish tint.

I personally just ordered cheapo Amazon 6000k to compare brightness since I like a whiter glow than yellow ish.

As for your corening lights try again at night with headlights to auto and put your indicator. It should turn on to. Also when you go to reverse, both cornering inner lights should light up.

If they still don't light up then perhaps they were codes out or bulb is dead. But I think yo would get a warning... not 100% sure tho.

Both bulbs work because I can turn them on for daytime running lights as a factory option. I keep them turned off because I don't like halogen lights. My car is an 2008. And I read factory it's 4300k. But I just bought 6000k for the color without loosing to much road light

[rawdog573]

Originally Posted by type-dRew

Adaptive headlights should always have that function unless its been coded out.

What year is the car?

2008. And no they don't turn on in reverse or turning. My headlights are always set to auto. I never turn them otherwise. They only time they come on is if I use the flash to pass. Or daytime running light which I have daytime lights turned off

[type-dRew]

Originally Posted by rawdog573

2008. And no they don't turn on in reverse or turning. My headlights are always set to auto. I never turn them otherwise. They only time they come on is if I use the flash to pass. Or daytime running light which I have daytime lights turned off

Oh, so they do come on then? Its just been coded for flash to pass.

[rawdog573]

Originally Posted by type-dRew

Oh, so they do come on then? Its just been coded for flash to pass.

Yea just flash to pass that's it. I've never messed with the coding in the car yet. I'm the third owner. Original had it from factory. Second wonder didn't even own it a year and it sat in his garage because it wasn't a daily. So as far as coding it's all factory

[e90yyc]

Originally Posted by rawdog573

2008. And no they don't turn on in reverse or turning. My headlights are always set to auto. I never turn them otherwise. They only time they come on is if I use the flash to pass. Or daytime running light which I have daytime lights turned off

When you're driving, do your headlights turn with the car?

While all E90 xenons are self-leveling, not all are adaptive.

If you don't have adaptive headlights (that turn), then those inner bulbs do nothing other than flash-to-pass or DRL at reduced brightness.

As for the difference in brightness, as TypeDreezy mentioned, it's probably an issue of one bulb having been replaced. That's most likely. But! On my car, I had a brightness imbalance on my actual xenons. Replaced the bulbs; problem was still there. Turned out there was "fogging" on the inside of my headlight/projector lens, probably caused by moisture or other contamination after the dealership didn't full attach the backing cover (noobs).

Worth a look, but probably just mismatched (age) bulbs. You'd likely notice anything that would physically diminish light output from your halogens.

[rawdog573]

Originally Posted by e90yyc

When you're driving, do your headlights turn with the car?

While all E90 xenons are self-leveling, not all are adaptive.

If you don't have adaptive headlights (that turn), then those inner bulbs do nothing other than flash-to-pass or DRL at reduced brightness.

As for the difference in brightness, as TypeDreezy mentioned, it's probably an issue of one bulb having been replaced. That's most likely. But! On my car, I had a brightness imbalance on my actual xenons. Replaced the bulbs; problem was still there. Turned out there was "fogging" on the inside of my headlight/projector lens, probably caused by moisture or other contamination after the dealership didn't full attach the backing cover (noobs).

Worth a look, but probably just mismatched (age) bulbs. You'd likely notice anything that would physically diminish light output from your halogens.

Yes there adaptive. They turn when I turn. And I was also thinking maybe one was replaced before. As far as backing cover. I've never seen moisture in my headlights assembly. They only time I took the Dover off was when I replaced my angel eyes with less for white look and noticed when the covered went back on they were sloppy so I threw a bead of silicone all the way around the edge and they went on snuck and sealed after that. So no issues there

[type-dRew]

The projector itself has a common issue of getting a fog/haze on the back of it diminishing light thrown, very common with our lights. Not something you can 'seal' out. But it definitely cant be made worse from a bum light seal.

[type-dRew]

https://www.bimmerfest.com/forums/sh...d.php?t=808560

[rawdog573]

Originally Posted by type-dRew

The projector itself has a common issue of getting a fog/haze on the back of it diminishing light thrown, very common with our lights. Not something you can 'seal' out. But it definitely cant be made worse from a bum light seal.

Is there a way to tell just by looking at it if it's bad. I know I'll find out for sure when my new lights come in. But like if I pull the bulb out and look in there is it noticeable

[type-dRew]

Originally Posted by type-dRew

https://www.bimmerfest.com/forums/sh...d.php?t=808560

Originally Posted by rawdog573

Is there a way to tell just by looking at it if it's bad. I know I'll find out for sure when my new lights come in. But like if I pull the bulb out and look in there is it noticeable

Just check that link, its real obvious. Mine are fogged badly.

[rawdog573]

Originally Posted by type-dRew

Just check that link, its real obvious. Mine are fogged badly.

Cool thanks. Once I get my new lights in I'll
Check it out

[e90yyc]

Originally Posted by rawdog573

Cool thanks. Once I get my new lights in I'll
Check it out

Worth checking for sure, but the fogging referred to affects the projector lens specifically. So if your only issue is the inner halogens, that thread likely won't apply. Interested read nonetheless!