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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > How far does polish go?



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      12-08-2009, 12:57 PM   #1
Gig103
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How far does polish go?

Does a little go a long way, or is a 32oz bottle of polish really necessary for doing just a few cars?
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      12-08-2009, 01:35 PM   #2
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For the weekend detailer, you may not use a full bottle in a year.
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      12-08-2009, 02:22 PM   #3
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Amount of Polish

Place a small amount (approx 3 x 1/16th-inch diameter or a 1 x 1 -inch X) of polish onto the centre of a clean primed pad
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      12-08-2009, 02:23 PM   #4
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I typically use 2oz or less per coat of polish on a mid sized car.
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      12-08-2009, 02:23 PM   #5
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A little does go a long way.

32oz bottle for your own car will last an eternity.

You shouldnt need to be polishing your car that much if its sealed and maintained correctly.

This is not to say you shouldnt buy a 32oz for only your car. But yes it is overkill.

16oz is a fair choice if available. 32 oz is for those in the industy or detailing cars as a side gig from weekend to weekend.
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      12-08-2009, 04:31 PM   #6
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The only time I use a lot of product is when preping the pad. Thats by far the most I use at any one time.
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      12-08-2009, 06:04 PM   #7
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Cool, I'll buy the 16oz polishes where I can (not all of them come in that size). Thanks everyone!
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      12-08-2009, 06:43 PM   #8
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After priming the pad, does the broken down polish in the pad cause any decreased efficacy of using progressive polishes on subsequent panels? I worry about going too thin on the polish and not getting the full desired effect.
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      12-09-2009, 10:51 AM   #9
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I've done 6-7 cars using the various 32oz polish bottles I have. I'd be hard pressed to tell the difference in weight from a new 32 oz bottle.

Best regards,
Wede
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      12-09-2009, 11:34 AM   #10
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Quote:
Originally Posted by RodTheFemur View Post
After priming the pad, does the broken down polish in the pad cause any decreased efficacy of using progressive polishes on subsequent panels? I worry about going too thin on the polish and not getting the full desired effect.
Not sure if this is the question you're asking, but use a different pad for a different polish. Normally, you do this anyway, since the more aggressive polishes usually will be on a more aggressive pad -- e.g., not set in stone, but I typically use SIP with orange, 106FF with white, 85RD with blue or black.

Also, if you're polishing a lot of panels, you'll need more than one pad because the polish will get dried out or caked into a pad after a few panels. Put it aside, switch to a new one, and you're good. Wash them all in soapy water when you're done, rinse them well, spin out excess water, then they'll be clean for the next time.
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      12-09-2009, 03:24 PM   #11
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I second exactly what BK said.
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      12-14-2009, 10:08 PM   #12
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i use about 4oz of polish per application on a 3 series size car. with compounds (M105 and Powergloss) however i like to use a bit more, about 6 ounces because i can work it longer. whats equally important for a good finished product is to change your pad after 2-3 panels
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      12-15-2009, 09:14 AM   #13
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IMHO, if you polish car as hobby always buy correcting compound in 16oz if available; cause if you wash your car correctly you don't need correction every year. Though maybe buy PO85RD in 32 oz for jewelling once a year.
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      12-15-2009, 12:35 PM   #14
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Thanks everyone. In regards to correction vs. jeweling -- I use the 2 bucket approach and so the only spot that has bad swirls it the trunk lid. Should I still use the 85D on every panel to jewel it, or just correct where it's necessary?
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      12-16-2009, 10:10 AM   #15
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Quote:
Originally Posted by Gig103 View Post
Thanks everyone. In regards to correction vs. jeweling -- I use the 2 bucket approach and so the only spot that has bad swirls it the trunk lid. Should I still use the 85D on every panel to jewel it, or just correct where it's necessary?
My rule of thumb is only correct as necessary, remember correcting is taking away clear coat. But jewelling with PO85RD doesn't even register consistenly on my Defelsko paint gauge (maybe 1uM if that compare to 5uM using Meg105 for correcting nasty swirl).
Have look at the paint after claying under halogen lights to see the rest of the car. What compound do you have right now? Maybe some pictures so some of the sponsors or us mortal may chime in on what the best to aprroach your situation.
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      12-16-2009, 12:17 PM   #16
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HPI - I have Menzerna Power Finish and 85D, with the new hydro pads (cyan and tangerine, equiv to orange and white I believe).

I will take pictures when I get closer to actually doing this
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