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Old 05-17-2013, 09:35 AM   #1
Air0ne OP
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Thumbs down Headlight melted

Hi there,

It seems that my headlight has melted due to overheating. The problem is: I only used normal bulbs (No HID or anything else that strong)

Could someone tell me if it's a common issue?



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Old 05-17-2013, 09:40 AM   #2
jengel451
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You were using a 55W bulb? Seems odd
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Old 05-17-2013, 09:50 AM   #3
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Quote:
Originally Posted by jengel451 View Post
You were using a 55W bulb? Seems odd
Yes... but not a BMW one, a Sylvania
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Old 05-17-2013, 10:47 AM   #4
Motorfiets
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huh new one on me
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Old 05-17-2013, 10:59 AM   #5
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You are the first person to note something like this. To me it looks as though your bulb fused, and the damage is only to the bulb. So, I guess you got a lemon from Sylvania?
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Old 05-17-2013, 11:06 AM   #6
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if you can look through the bug guts and the glare and gaurd, you can see that the reflector bubbled.
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Old 05-17-2013, 12:08 PM   #7
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Originally Posted by smenon View Post
You are the first person to note something like this. To me it looks as though your bulb fused, and the damage is only to the bulb. So, I guess you got a lemon from Sylvania?
Really? Cause I already read on ADV that others had similar issues but I wasn't able to find that back...
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Old 05-17-2013, 12:37 PM   #8
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Quote:
Originally Posted by Air0ne View Post
Really? Cause I already read on ADV that others had similar issues but I wasn't able to find that back...

My recently-purchased 658 has the silvering "eroded" above the bulb, and a couple of blobs in the underlying black plastic. I've put a 35W HID kit in since, to ensure it doesn't get any worse; I'll probably add a small piece of aluminium tape over the darkened area at some stage too, to take the bad look off it...
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Old 05-17-2013, 01:34 PM   #9
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Originally Posted by dpm View Post
My recently-purchased 658 has the silvering "eroded" above the bulb, and a couple of blobs in the underlying black plastic. I've put a 35W HID kit in since, to ensure it doesn't get any worse; I'll probably add a small piece of aluminium tape over the darkened area at some stage too, to take the bad look off it...
Thx to give us your feedback. I'm feeling better now as I'm not completely alone
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Old 05-18-2013, 04:49 AM   #10
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AirOne ...
naw you are not alone ... there is a thread or two here somwhere of others with same issue more common on the hi-beam since the enclosure is smaller. I've got the problem as well, but not to the same "extent" ...

At one point there was talk of reporting it to the vehicle safety folks see if a recall might be in order but I don't think it ever took off.

BMW does not sell replacement reflectors, so unless you do a homebrew repair they will want to sell you a new HL assembly for some $400+ bucks.

On getting oils on the bulb, what my dad told me was that if you got oil "fingerprints" on the bulb that caused uneven heating of the bulb its self which would shorten bulb life - he always handled them with gloves on or a paper towel then wiped down with alcohol.

But even if you did this, I can't see how that would increase the amount of heat passed to the reflector by any significant amount ...
I'd guess the issue is that once the reflector starts erroding it absorbs more heat and the problem feeds on its self...

Disappointing to be sure

On repairing it, this is one comment I collected:

Headlight reflector repair

I used whatever kind of (chrome) paint was nearest or easiest to find at the store. I suppose bar b q or exhaust paint might hold up longer and perhaps plastic paint would stick better, never had a problem with any paint I used holding up but perhaps I just got lucky.

P.S. you need to use a patch saturated with rubbing alcohol to get the carbon and oil off where you are going to paint. only use a little and only where the oe paint is gone.


JRWooden screwed with this post 05-18-2013 at 05:01 AM
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Old 05-18-2013, 11:51 AM   #11
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My front light also got a little burned, by using an ordinary bulb.

The explanation from the dealer was that the bulb wasnt clicked into place completely (by me) and touched the surface of the reflector, thus burning it.

You re definitely not alone, this is quite a common issue.
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Old 05-18-2013, 11:53 AM   #12
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That said, I read a few weeks back that a vendor on fleabay now sells the housing, or at least the front part, way cheaper than the oem unit.
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Old 05-18-2013, 12:50 PM   #13
JRWooden
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Originally Posted by ebrabaek View Post
That said, I read a few weeks back that a vendor on fleabay now sells the housing, or at least the front part, way cheaper than the oem unit.
I can't find one on fleabay

I found this ... It's a nice pair, but not quite what I had in mind....

http://www.ebay.com/itm/BMW-Motorcyc...-/111000368551
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Old 05-18-2013, 03:25 PM   #14
Air0ne OP
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Quote:
Originally Posted by JRWooden View Post
AirOne ...
naw you are not alone ... there is a thread or two here somwhere of others with same issue more common on the hi-beam since the enclosure is smaller. I've got the problem as well, but not to the same "extent" ...

At one point there was talk of reporting it to the vehicle safety folks see if a recall might be in order but I don't think it ever took off.

BMW does not sell replacement reflectors, so unless you do a homebrew repair they will want to sell you a new HL assembly for some $400+ bucks.

On getting oils on the bulb, what my dad told me was that if you got oil "fingerprints" on the bulb that caused uneven heating of the bulb its self which would shorten bulb life - he always handled them with gloves on or a paper towel then wiped down with alcohol.

But even if you did this, I can't see how that would increase the amount of heat passed to the reflector by any significant amount ...
I'd guess the issue is that once the reflector starts erroding it absorbs more heat and the problem feeds on its self...

Disappointing to be sure

On repairing it, this is one comment I collected:

Headlight reflector repair

I used whatever kind of (chrome) paint was nearest or easiest to find at the store. I suppose bar b q or exhaust paint might hold up longer and perhaps plastic paint would stick better, never had a problem with any paint I used holding up but perhaps I just got lucky.

P.S. you need to use a patch saturated with rubbing alcohol to get the carbon and oil off where you are going to paint. only use a little and only where the oe paint is gone.

That means we have to remove the glass... is it easy to do?
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Old 05-18-2013, 03:26 PM   #15
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Quote:
Originally Posted by JRWooden View Post
I can't find one on fleabay

I found this ... It's a nice pair, but not quite what I had in mind....

http://www.ebay.com/itm/BMW-Motorcyc...-/111000368551
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