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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > Can't seem to clean this off



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      03-31-2007, 04:23 PM   #1
SpecC
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Can't seem to clean this off

Have no idea what this is, but it's been stained on my paint and windshield for some time now. Doesn't like to be scrubbed or clayed

Any suggestions?



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      03-31-2007, 05:45 PM   #2
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it almost looks like an acid burn to me. maybe you could pm picus for expert advise.
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      03-31-2007, 05:58 PM   #3
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looks like someone spit their dip on your car
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      03-31-2007, 07:56 PM   #4
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That's some toxic bird crap!
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      03-31-2007, 10:14 PM   #5
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Other than clay what have you tried on this? It looks like the long term remnants of a bird bomb to me.
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      03-31-2007, 11:08 PM   #6
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soap water, clay, wax and polish.
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      03-31-2007, 11:42 PM   #7
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Quote:
Originally Posted by pander5 View Post
Other than clay what have you tried on this? It looks like the long term remnants of a bird bomb to me.
yea it looks to me actually like the wiper took w/e it is off fine, so i have this feeling the OP didnt actually use clay and just said that because he thinks (incorrectly) that clay wont take it off
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      04-01-2007, 03:54 AM   #8
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Those pics are not after using clay...... id try again with clay

if its smooth to touch then its time for chemical cleaners.


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      04-01-2007, 08:35 AM   #9
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i would try some 3M imperial hand glaze... available at napa.

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      04-01-2007, 09:25 AM   #10
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It looks more like a chemical drip from having parked in a parking deck and maybe it has been left on too long. I would have thought claybar would have removed it. If it didn't then you will have to spend some rent money.

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      04-01-2007, 09:48 PM   #11
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Quote:
Originally Posted by firstkill View Post
Those pics are not after using clay...... id try again with clay

if its smooth to touch then its time for chemical cleaners.


fk
i took the pic when i got back from school since i was frustrated with it. it's been a month since i had seen the car and i always remembered that was on it. It was really dirty at the time but i was just trying to show that particular picture.

I'll give the hand glaze a try sometime this week. thanks for the tip
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      04-01-2007, 09:56 PM   #12
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Damn good luck w. that
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      04-02-2007, 11:34 PM   #13
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alcohol and water?
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      04-03-2007, 03:42 AM   #14
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Quote:
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alcohol and water?
never thought of that one! giving it a try first before the hand glaze
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      04-08-2007, 11:52 PM   #15
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Um, I would pretreat with some sort of Bug/Tar remover, spray with very hot water (let it sit for 5-10 min), and then pressure wash. It SHOULD get most of it off. If there is still crap there, use some quick detailer and lightly wipe. Then you can clay the area, and polish, and then finally wax. BTW that looks like bird crap.
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      04-16-2007, 02:56 PM   #16
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looks like bird crap, probably a bird eating berries. i've been told some of the berries they eat off trees/bushes have a pretty acidic content and can be more damaging. i had some bird poop actually etch the paint of an old car, i was never able to get it out.

good luck, that looks like it may come out, looks like the damage is still on top of the paint/clearcoat, mine looked more like it was 'inside' the paint
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      04-16-2007, 03:27 PM   #17
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Quote:
Originally Posted by prolix21 View Post
looks like bird crap, probably a bird eating berries. i've been told some of the berries they eat off trees/bushes have a pretty acidic content and can be more damaging. i had some bird poop actually etch the paint of an old car, i was never able to get it out.

good luck, that looks like it may come out, looks like the damage is still on top of the paint/clearcoat, mine looked more like it was 'inside' the paint
Looks like that one was eating peyote.
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      04-17-2007, 07:39 PM   #18
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Pine Tree Sap?

While driving my car in Italy during its Euopean Delivery, I refused to park my car in a crowded parking area for a B&B in Luca Italy, fearing door dings. So, I found a primo spot out on the street, but neglected to notice that I was parking under a tall pine tree. Next morning, to my horror, I found my car spotted with pine tree drippings that were like resin. An emergency trip to a do-it-yourself car wash removed a lot of it, but the residual looked a lot like your picture. It didn't even get removed by BMW when it came back to the U.S. I finally, got the last traces off with mineral spirits and much gentle rubbing. I followed up with my Porter Cable orbital buffer, using Griot's polishing compounds. No traces left.
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      04-17-2007, 09:31 PM   #19
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Quote:
Originally Posted by ironic View Post
alcohol and water?

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      04-21-2007, 01:48 PM   #20
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