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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 05-26-2009, 11:08 AM
usedbimmer usedbimmer is offline
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Brown discoloration on side view mirrors.

I apologize in advance for not having a picture of this. I'll take one when I get home and post it here, but I'm hoping by chance someone else has this problem.

My sideview mirrors have a brown discolored ring around them. I cannot tell if the mirror coating has worn off, or if it's just oxidation or rust? Anyone else know what I'm talking about, have this problem or can offer a solution?

Thanks,


Rob
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  #2  
Old 05-26-2009, 11:20 AM
edjack edjack is offline
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Sounds like discoloration from the mirror heaters. They are controlled by outside temperature, and I believe there are three stages of heat. Is your cluster temp reading -40 deg?
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  #3  
Old 05-26-2009, 11:26 AM
kingbled kingbled is offline
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I have the same discoloration but my temp is reading at normal outside temp
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  #4  
Old 05-26-2009, 11:38 AM
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ttgxc ttgxc is offline
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Quote:
Originally Posted by kingbled View Post
I have the same discoloration but my temp is reading at normal outside temp
Same here. I think I read somewhere it's from rust. Mine is minimal and at the bottom of the mirror glass. No big deal really.
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  #5  
Old 05-26-2009, 12:29 PM
GlobalIntention GlobalIntention is offline
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I have same problem towards the bottom but nothing wrong with the temp reading -40 :/.
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  #6  
Old 05-26-2009, 12:48 PM
Neversaynever Neversaynever is offline
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I am not sure the discoloration is caused by the heaters. My driver's mirror has a bad case and my rear view mirror has a mild case of "the brown edge incursion". Anyway, I bought a new mirror (glass only) from Pelican for about $50. Pops right in. Rear view mirror is not nearly bad enough for action. BTW, I don't think the glass with heater is repairable.
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  #7  
Old 05-26-2009, 12:58 PM
edjack edjack is offline
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What do you mean by "repairable"? Not replaceable? Yes, it is. Just be careful in removing the old mirror; the wires are not very long.

BTW, if anyone does replace their driver's mirror, get the passenger side mirror instead. You'll get a convex mirror to help reduce the blind spot. It installs upside-down.
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  #8  
Old 05-26-2009, 01:21 PM
porksoda porksoda is offline
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The heated mirror usually goes brown after years of operation... it happens to all cars... just buy some new mirrors... make sure to get teh euro ones and you are set.
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  #9  
Old 05-26-2009, 01:29 PM
TheStig TheStig is offline
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Who needs heated mirrors? What is snow?







Looks like the part # is 51168119710.

Last edited by TheStig; 05-26-2009 at 01:31 PM.
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  #10  
Old 05-26-2009, 01:54 PM
porksoda porksoda is offline
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Quote:
Originally Posted by TheStig View Post
Who needs heated mirrors? What is snow?







Looks like the part # is 51168119710.
that is a pre-lci part #.

just so if anyone wants the euro mirror p/n it is 51168250438 it is part of the euro cat but can be ordered locally. Same part number for both left n right as they don't have objects may appear marking and also they both magnify same amount unlike the oem driver more than pass.
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  #11  
Old 05-26-2009, 03:19 PM
usedbimmer usedbimmer is offline
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Thanks Guys for the tips. I love this board. Always helpful. In answer to your question, Ed, my temp is reading just fine.
I am not really worried about the heated mirrors so much, anyway. New side mirros adds another thing to my cosmetics list:

Speaking of cosmetics, can anyone tell me what I can expect to pay for a new windshield?

My cosmetics list so far:

1. new windshield.
2. Get hood painted.
3. Replace side mirrors.

Those three things get done and the car looks like new.
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  #12  
Old 05-26-2009, 03:24 PM
porksoda porksoda is offline
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Quote:
Originally Posted by usedbimmer View Post
Thanks Guys for the tips. I love this board. Always helpful. In answer to your question, Ed, my temp is reading just fine.
I am not really worried about the heated mirrors so much, anyway. New side mirros adds another thing to my cosmetics list:

Speaking of cosmetics, can anyone tell me what I can expect to pay for a new windshield?

My cosmetics list so far:

1. new windshield.
2. Get hood painted.
3. Replace side mirrors.

Those three things get done and the car looks like new.
I can tell you the

3. the european with wide angle side mirrors cost me 80 per side... i just got them today.... the non euro without the wide angle and one more maginifaction vs the other was just only 5 or 10 bucks cheaper.
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  #13  
Old 05-26-2009, 03:33 PM
Danzola Danzola is offline
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My pass. Side has it around the edge. I believe it's delamination on the back side of the glass. I don't think anything causes it other than poor surface prep before there coated. They have to be replaced. Sounds like a pain to do.
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  #14  
Old 05-26-2009, 04:52 PM
usedbimmer usedbimmer is offline
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Looking at it closely, it seems so much like it's a surface stain that could be removed.
If it's a rust stain, I would think something like Ascorbic Acid could remove it.

I think I'll experiment a little bit before I pay a fortune on new mirrors.
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  #15  
Old 05-26-2009, 08:46 PM
Neversaynever Neversaynever is offline
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Edjack, by repairable I meant fixing the existing mirror and reinstalling (don't think that is possible). I definitely meant replace and thought I said that. Popping the old one out is done by tilting the mirror toward the car and toward the sky, then prying gently from the lower left corner. My two cents.
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  #16  
Old 05-26-2009, 08:47 PM
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I got it this past winter. It seems to be a issue with the blue tint mirrors on the BMW's. I don't think have seen this on any other cars.

I was told the only thing you can do is replace the glass.
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  #17  
Old 05-26-2009, 09:12 PM
porksoda porksoda is offline
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Quote:
Originally Posted by usedbimmer View Post
Looking at it closely, it seems so much like it's a surface stain that could be removed.
If it's a rust stain, I would think something like Ascorbic Acid could remove it.

I think I'll experiment a little bit before I pay a fortune on new mirrors.
its the mirror film that corrodes. give it a shot let us know what happens.
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  #18  
Old 05-26-2009, 09:13 PM
porksoda porksoda is offline
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Originally Posted by mgianetto View Post
I got it this past winter. It seems to be a issue with the blue tint mirrors on the BMW's. I don't think have seen this on any other cars.

I was told the only thing you can do is replace the glass.
it happens on all makes and models from cadillacs to civics.. i have seen it on all cars... its more obvious in cold climate areas.
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  #19  
Old 05-26-2009, 10:05 PM
usedbimmer usedbimmer is offline
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I took a good look at it while it was not in direct sunlight. Nope. Don't think this can be cleaned. Needs to be replaced.
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  #20  
Old 05-27-2009, 11:50 AM
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QSilver7 QSilver7 is offline
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mirror "brown ring" and ASPHERICAL mirror replacement

The reason that you see more of this "brown ring" failure happening in colder climates is due to the more varied temperature swings. As some have already stated, the side view mirrors are heated...but they only heat up at specific temperatures for various lenghts of time (again, based on ambient temps).

Even if you DON'T live in snow country...you can benefit from heated mirrors. Condensation can build up on the side view mirrors if you live where there's heavy fog or rain...or very humid air when the temps drops into the 40s-50s.

(pic of "brown ring" or (aka) "rust"...but it is not rust but just the failure of the reflective medium on the back of the mirror glass)



Replacing the side view mirrors is EASY...as explained in a post above...just tilt the bottom of the mirror outward enough to get your fingers underneath...then just pop the glass off the FOUR clips on the motor assembly. It takes all of 15 seconds at the most to remove the mirror glass:



And the ASPHERICAL (wide angle) mirrors are the shizz nitts!! If you have to replace one of the side view mirror glasses...I highly recommend upgrading to this type over the plain glass we get here in the states...or the regular convex (passenger side) mirror. See images below of what the ASPHERICAL (wide angle) mirror looks like:






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2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #21  
Old 05-27-2009, 02:00 PM
franka franka is offline
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Brown color is from the mirror surface degradation starting at the edge.

It is not rust.
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  #22  
Old 05-27-2009, 03:43 PM
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Quote:
Originally Posted by QSilver7 View Post
...
(pic of "brown ring" or (aka) "rust"...but it is not rust but just the failure of the reflective medium on the back of the mirror glass)


Quote:
Originally Posted by franka View Post
Brown color is from the mirror surface degradation starting at the edge.

It is not rust.
(you & me against the world, brother)
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #23  
Old 05-27-2009, 04:53 PM
Neversaynever Neversaynever is offline
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This a really great post. Nice pics on the mirror replacement and convex euro replacement. I even have some of the "brown" encroaching on my rear view mirror.
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  #24  
Old 05-27-2009, 05:59 PM
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16valex 16valex is offline
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Now here is a trivia for you guys. Why does it always starts to degrade from the bottom?
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  #25  
Old 05-27-2009, 06:07 PM
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QSilver7 QSilver7 is offline
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I would presume that the degradation of the reflective medium occurs on the sections of the mirror that are the most exposed to the elements...and that would be the bottom and left edge (on the driver's mirror LHD)...and the bottom and right edge (on the pass mirror LHD).
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2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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