wet sanding attempt

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  1. wet sanding attempt 
    #1
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    mistikempire's Car Details
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    I am going to attempt to remove scatches on my car by wet sanding as nothing which i have done seems to work
    I have baught a DA polisher, baught the green and blue polishing pads for it, Menzerna polishing compound, An as much as i do it, it isnt removing the squirls.

    Please could someone with good knowledge on wet sanding tell me all the things i would need to do it, iv seen videos on youtube how its done, i just want to know of all the materials i would need.

    so far from the videos iv watched on youtube i need

    Materials:
    2500 Grit sandpaper
    3000 Grit sandpaper
    Sanding block

    Tasks:
    1st leave the sandpaper to soak in water for atleast 1 hr
    2nd-Start rubbibg the scatch with the 2500 grit sandpaper in 1 direction, untill scratch is gone
    3rd-In a different direction rub over the area with the 3000 grit sandpaper
     
     

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    #2
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    Good luck pal, i don't know so sorry but i would advise that you find a scrap panel (BMW would be nice) and put some scratches on it and practice prior to '' testing it '' on your pride and joy. I did this years ago when experimenting with my cutting compounds and my rotary polisher, well worth it, it only takes one mistake and your off to the body shop. Scrap panels are often given away for nothing. Good Luck.
     
     

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    #3
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    Does this thread help mate?

    http://www.bimmerforums.co.uk/forum/...se-you-t82915/

    I've described what I did in post 5
     
     

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    #4
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    Can you feel the scratches if you drag your nail over them? What brand DA is it you have? and what colour is your paint?
    If it aint broke, don't fix it!!!
     
     

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    #5
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    Quote Originally Posted by shamM3 View Post
    Does this thread help mate?

    http://www.bimmerforums.co.uk/forum/...se-you-t82915/

    I've described what I did in post 5
    this is the guide i followed when i done my roof and it came out really well
     
     

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    #6
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    Dude, BMW paint is notoriously hard and can take some serious time to sort out. I have stahlblau E46 and a porter cable and it really does take the patience of a god!
    Wet sanding is not for the feint of heart either, as it looks hideous then you have to polish it. I bought a chippex kit and then spent sever hours wondering what the hell i'd done! It comes good in the end but as mentioned above, practice practice practice.
    Some paint is soft and some is hard...
     
     

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    #7
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    it does look awful at first,you look at it and think is this going to polish out.
    just be carful that you dont go through the laquer. if you see the water changing colour as you are rubbing you've gone too far.Make sure your polisher is up to the job aswell.
     
     

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    #8
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    If your DA isn't doing the job then rotary may be the way to go as you need to work upto circa 2500 -3000rpm and then back down. probably need to use at least 2-3 grades of polish too.

    I'd recomend reading these

    http://www.detailingworld.co.uk/foru...ad.php?t=63859

    http://www.detailingworld.co.uk/foru...ad.php?t=66024
     
     

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    #9
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    Aaah, detailing world....some of the guys on there have OCD to a scary degree!!
     
     

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