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2010 2011 BMW 5 Series Forum F10 repairing a scratch, compounding |
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08-25-2015, 07:18 AM | #1 |
Second Lieutenant
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repairing a scratch, compounding
So i repaired a 3" scratch with touch up paint and used enough paint & clearcoat that the scratch is no longer a scratch but looks like a scar with the repair paint slightly elevated above surrounding paint.
I wet sanded with 2000 grit (FYI car is jet black) and then I used meguiars ultimate compound with DA orbiter compound pads to repair the paint scuffing caused by the sanding. Also then polished with meguiars polish. So I didn't sand enough and there is still the raised "scar". I'm just worried that if I sand too much there will be a point where compounding won't be able to repair the surrounding paint. Is this right? |
08-25-2015, 12:49 PM | #2 |
Captain
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It sounds like you're on the right track. There is some concern that you can wet sand too much and sand through the surrounding clear. Experience helps here. I sand a little at a time, and then wipe dry the area to see where the repair is still high. When the area you are sanding is wet, it isn't as easy to see how you're doing. Using a sanding block can help to ensure that you are sanding the "scar" as you put it, and not putting as much pressure on the surrounding paint.
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08-25-2015, 03:14 PM | #3 |
Captain
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Drives: 2013 535xi
Join Date: Dec 2009
Location: Nanoose Bay, BC
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Next time you repair a scratch or paint chip, consider using something like the Langka paint chip kit and your touch-up paint. It does what is advertised - it removes the excess (as in raised) touch-up paint so that your repair is nearly invisible. I think it needs to be used on touch-up paint that is relatively fresh, so it won't fix your current scar.
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2013 535xi, Carbon Black, beige interior, M Sport package, HUD, DDC & ARS, ACS springs, Kelleners wheels
2010 Z4 35i, Crimson Red, beige interior, 6sp manual, Adapative Suspension 2000 528i, Cosmo Black, beige interior, Sport package (retired) |
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09-14-2015, 09:37 PM | #6 |
Second Lieutenant
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Haven't messed with it. It looks better than initial scratch so I may just leave it alone for now. Got a new scratch to deal with so I'll try to do better with it. Having small children and having a scratch-free car are mutually exclusive...
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10-23-2015, 04:16 AM | #7 |
ZEROdoubleZERO
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I had a scratch on my right rear quarter panel just below the gas cap. I started to wet sand it down with 2000 and just before I had it completely gone my girl came outside and was like " when are we going to dinner?" So I started to hurry and ended up sanding thru the paint into the primer! My mistake, you have to be free from distractions and really pay attention. My car is titianium silver metallic and the paint seems to be real thin, so I would be very carefull. Maybe the darker cars have a thicker coat of paint but not ti silver. I'm going to sand down and repaint the quarter panel myself, the dealer wants $1100! I'll try myself first with paint from (automotive touch up paint.com), I've used it to paint my reflectors and it matches perfectly. They sell it buy the pint, quart or gallon and they also sell it in a spray can. If I screw it up then I can always have the dealer fix it, we'll see.
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