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M2 Technical Topics > Cosmetic Maintenance (Wash/Wax/Detailing/Exterior Restoration & Repairs) > New Car - Tiny Clearcoat Bubble

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      08-01-2021, 03:41 PM   #1
bramsuer
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Just picked the car up this weekend, and I cleaned it up yesterday. Afterwards I gave it a thorough inspection and found a small bubble in the clearcoat.

Before I decide what to do with this, can anybody tell me if you've had experience with something like this?

My thought is it would need to be wetsanded and buffed but not sure if that will do the trick or not.
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      08-02-2021, 12:19 PM   #2
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Are you sure the car doesnt have PPF? Cant imagine the clear coat would do this.
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      08-02-2021, 01:25 PM   #3
bramsuer
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Quote:
Originally Posted by BallHog5873 View Post
Are you sure the car doesnt have PPF? Cant imagine the clear coat would do this.
No PPF, brand new car from factory. I did a little more research and it's called a dirt nib, contamination in the paint room during spray. Not all that uncommon apparently. I've never personally seen it on factory paint tho.
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      08-02-2021, 07:12 PM   #4
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Unless you are good at wet sanding the nub, taking top coat back a ways, then respray clear with blend techniques and edging it in??? then just take it to the dealer or a pro and get it done correct.

Honestly it would spike me every time I see it; not in any way being cute here, but if you can afford the car, then have it done correctly, and celebrate a fine finished clear coat surface. You will be glad you did.
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      08-02-2021, 08:19 PM   #5
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      08-03-2021, 06:21 AM   #6
bramsuer
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Quote:
Originally Posted by zkeeper View Post
Unless you are good at wet sanding the nub, taking top coat back a ways, then respray clear with blend techniques and edging it in??? then just take it to the dealer or a pro and get it done correct.

Honestly it would spike me every time I see it; not in any way being cute here, but if you can afford the car, then have it done correctly, and celebrate a fine finished clear coat surface. You will be glad you did.
I'm afraid to do any painting on a brand new car, would really prefer to avoid that if possible. Any chance you think it can be just wet sanded and buffed?
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      08-03-2021, 03:44 PM   #7
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That little nib would have to be carefully "razored" or cut back somehow. You would want not to wet sand long and hard enough on the nib to get to level with surface. Maybe this nib is not that hard...can't tell with pix.

If you can get it level, then yes very fine wet sanding and then compounding it out from paint correction to perfecting it might get it. You just don't want to keep getting the area larger and larger trying to "even it out" for a blended sanding. You want to keep area as small as necessary as you are removing some top coat -- then when the wet sanding is not "seeing" any scratches (they are there though, as scratching finer and finer is what has been done)...it should be ready to compound out with say, a Griots Correcting Cream and then a good perfecting cream. Good luck...if you are handy with this sort of thing, go for it, otherwise, head off to a really reputable body shop and pay for the smiles.

Last edited by zkeeper; 08-03-2021 at 03:49 PM..
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      08-04-2021, 11:51 PM   #8
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I don't think you can tackle this yourself without compromising the clear. The nib is way taller than the thickness of the clear.
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      08-13-2021, 10:52 AM   #9
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