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      03-07-2015, 08:28 AM   #1
jwr0721
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Headlamp question

So it just occurred to me that the inner-most headlight has absolutely no purpose.

Is it even real, or is it just a globe of glass or plastic to keep the car "looking" like a BMW with quad headlights?
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      03-07-2015, 09:18 AM   #2
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It's for looks only. The outermost fixture contain the xenon lamp and a lens that changes the beam pattern from low beam to high on command.
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      03-07-2015, 01:26 PM   #3
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I'm surprised they couldn't think of something to do with it. I really don't like fake shit on cars. But oh well. It's a beautiful car.
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      03-07-2015, 01:28 PM   #4
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Yeah I figured that one out a while ago just playing around with the lights.
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      03-07-2015, 02:12 PM   #5
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Hmm... What happens if you pull the turn signal stalk toward you? Which light flashes? In my soon-to-be-replaced 06 E90 330i, the inner light flashes on when I do that, though it is also used as DRL.
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      03-07-2015, 02:17 PM   #6
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the inner light is a dummy lens , does absolutely nothing, the outer lens is a bi-xenon
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      03-07-2015, 02:53 PM   #7
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Quote:
Originally Posted by silverado View Post
Hmm... What happens if you pull the turn signal stalk toward you? Which light flashes? In my soon-to-be-replaced 06 E90 330i, the inner light flashes on when I do that, though it is also used as DRL.
Since its bi-xenon the shutter in the outer light lifts up. The inner one is just there to have the LED ring and have a dummy lens to look like other BMW.
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      03-07-2015, 03:09 PM   #8
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Quote:
Originally Posted by MrBucket
Quote:
Originally Posted by silverado View Post
Hmm... What happens if you pull the turn signal stalk toward you? Which light flashes? In my soon-to-be-replaced 06 E90 330i, the inner light flashes on when I do that, though it is also used as DRL.
Since its bi-xenon the shutter in the outer light lifts up. The inner one is just there to have the LED ring and have a dummy lens to look like other BMW.
Interesting. My E90 has xenon lights too, but the inner light is used for non-xenon flashing when you pull the stalk in.
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      03-07-2015, 08:29 PM   #9
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In a perfect world, they could do like Dodge did with the Hellcat Challenger and use it as a High Output air intake.
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      03-24-2016, 09:07 PM   #10
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i was just wondering about this an hour ago while drying the car after a wash. i thought that at the least it would be a DRL along with the halo's. oh well at least i don't have to wonder whether that bulb was broken or not
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      03-24-2016, 11:19 PM   #11
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Quote:
Originally Posted by G4Z808 View Post
the inner light is a dummy lens , does absolutely nothing, the outer lens is a bi-xenon
maybe it does something in other markets where halogen is the standard?
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      03-25-2016, 05:30 AM   #12
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They should configure it as an auxiliary driving/fog light.
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      03-25-2016, 11:16 AM   #13
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Those inner ones will never burn out.
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      03-25-2016, 12:02 PM   #14
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Quote:
Originally Posted by raleedy View Post
Those inner ones will never burn out.
HaHaHa... BMW even puts a heatsink on the top of it???
Wow, they could save a buck leaving that off
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      03-25-2016, 12:57 PM   #15
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Quote:
Originally Posted by Abstraction View Post
maybe it does something in other markets where halogen is the standard?
Yes, they're both used then (see pic).

What puzzles me is the cornering lights: on my E90 3-Series, the outer lamps were swivelling xenons like the M235i but the inner pair provided the cornering lamps (shining outwards rather than forwards). The M235i UK handbook says "In sharp turns ... either the fog lights or the cornering light switches on."

I have seen 1-Series using their fog lights as cornering lights but we don't have fog lights. However, the quote from the handbook suggests that there is another type of cornering light too. Is this another trick that the xenons can play?

And the inner heat-sinks? Are they really just dummies, seems expensive for something that's only visible when the bonnet is open.
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      03-25-2016, 12:59 PM   #16
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They should have used those dummy lights for cornering lights. That would have made good use.
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      03-26-2016, 05:38 AM   #17
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Quote:
Originally Posted by Spydeputy
Quote:
Originally Posted by raleedy View Post
Those inner ones will never burn out.
HaHaHa... BMW even puts a heatsink on the top of it???
Wow, they could save a buck leaving that off
The heatsinks are for LED's used as daytime lights
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      03-26-2016, 06:07 AM   #18
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Quote:
Originally Posted by G4Z808
the inner light is a dummy lens , does absolutely nothing, the outer lens is a bi-xenon
No, it is a cornering light !

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      03-26-2016, 07:45 AM   #19
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This was the same for my now departed 07 Z4MC. It also had Xenons. Seems pretty standard for BMWs with Non Halogen HLs.
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      03-26-2016, 12:41 PM   #20
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Quote:
Originally Posted by red-sauerkraut View Post
No, it is a cornering light !

Are you sure? On my E90 that was true but it had an obvious lens and instructions in the handbook on how to change the bulb. On the M235i, neither of these are true.

I have tried (call me sad) to get the cornering light to illuminate and then get out of the car to inspect it - I remain confused. Are there any special preconditions to making this work?
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