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Old 08-06-2017, 11:39 AM   #1
Scomar44
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What's causing this?

Hi. I'm in the middle of polishing a BMW 420d M performance Estoril Blue and when I've finished correcting I'm left with tiny marks that's only noticeable when direct light is on it.
It looks like tree sap.
I've did a full decontamination and clay bar. You can't notice it on the untouched paintwork but once polished ( using a DAS pro 6+ with CG hexlogic pads) it stands out like a sore thumb.

What's causing this?

I've used megs 105 & 205 and also Scholl S20 black
Orange & green hexlogic.

Thanks.

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Old 08-06-2017, 12:34 PM   #2
Surrey Sam
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That looks like a small stone chip to me, the rest of the texture seen is hi/low spots from the Factory orange peel paint finish.
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Old 08-06-2017, 05:48 PM   #3
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So a wet sand required to remove the orange peel if it is that?
It only seems to be on the bonnet.

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Old 08-06-2017, 06:33 PM   #4
Surrey Sam
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Yes, there are a few methods to reduce and remove orange peel. Wet sanding is one.

However, you should be able to see orange peel easily enough, all over the car, not just specifically in your polished area. More pictures or a video clip would help try understand what exactly it is, you're seeing.
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Old 08-06-2017, 07:03 PM   #5
chongo
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A better picture out of the sun and under some light would help.
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Old 08-06-2017, 08:32 PM   #6
Moet1974
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Quote:
Originally Posted by Surrey Sam View Post
That looks like a small stone chip to me, the rest of the texture seen is hi/low spots from the Factory orange peel paint finish.
100% this. BMW orange peel!! Before polishing it mutes the reflections. After it reveals the highs and lows like a sore thumb. Yes wet sanding is the best option as you take far fewer microns off vs trying to compound it out. Check some videos online out bud!
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Old 10-06-2017, 01:34 AM   #7
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Bmw orange peel is pretty horrendous, but from that picture it looks to be a respray with even worse orange peel. You say its only on the bonnet, maybe just the bonnet had been resprayed?

If so only way to remedy that is wet sanding or denim pads.
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