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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wash, Wax, Detailing and Cosmetic protection/repairs > substitute for P21S

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      12-13-2009, 09:25 AM   #1
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substitute for P21S

I like P21S for my wheels, especially the gel formula. It really gets the job done, but its so expensive. Is there a cheaper alternative product?
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      12-13-2009, 01:16 PM   #2
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How About Chemical guys Diablo?
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      12-13-2009, 04:10 PM   #3
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Originally Posted by kei169 View Post
How About Chemical guys Diablo?
Great alternative to P21S. We just got the gallons of the Diablo Gel Wheel Cleaner in stock as well.

It's great you can dilute the Diablo 3:1 or more for really light cleanings and still have it be an effective and safe product on virtually any wheel finish.
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      12-13-2009, 08:36 PM   #4
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I've heard you can water it down, though I haven't actually tried myself
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      12-13-2009, 08:40 PM   #5
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I dilute the P21s gel down a bit for my own use. When frequently washing my car in the summer, I don't need it full strength - it's just a waste. Soap/water (or ONR) usually does the trick, but I do keep a 3:1 diluted bottle of P21s around.

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      12-13-2009, 11:07 PM   #6
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I use Diablo and it works great. But, if you maintain your car regularly, you should only need car wash soap and agitation. I use Diablo mainly on my wife's DD cuz I'm too lazy to put sealant on the wheels. On my M, which I maintain alot more frequently than my wife's X5, I try to only use soap and water cuz I just learned that diablo will strip the sealant.
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      12-13-2009, 11:16 PM   #7
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I used it this past weekend. I did a 50/50 mix and it worked wonders. Couple sprays here and there. Awesome job. Did a wash with ONR and added some OTC wax and all my co workers believe that my car looks better than when I first recieved it. Extra comments on the wheels though!
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