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Hey Guys there is a thread on this stuff over on CL but I didn't see anything here and the F probably has the biggest brake dust problem of all (unless you've switched from OEM brake pads). Here's a copy of the post I put over on CL:

welp, I think this stuff works OK...It's not great but what I do like besides a little less dust is it puts a nice shine on the rims. Like most of you I"m not big armor all fan but I wax my wheels about once a month or every other month and if you apply this after wax I don't see how it could hurt the wheel finish.

Now, that said I don't think I'll use this after the rebate expires. Right now you can get it for about less than $2 after rebate.

Wheel protectant rebate (must buy another AA product along with the WP):
http://www.armorall.com/pdf/wheel_rebate.pdf

$2 off AA coupon (can be used on both AA products along with rebate-$4 total savings):
http://www.facebook.com/ArmorAll?v=app_4949752878

Example of my purchase: $7.99 (WP) + $3.79 (AA Tire Foam) - $2 coupon - $2 coupon - $7.99 rebate (possibly only $5.99 rebate if they notice I used a $2 coupon). So best case scenario I make $.21 on the deal, worse case I've only paid $1.79 plus tax for both products.

As far as the tire foam I know it probably contains petroleum distillates since it's a AA product but our tires probably aren't going to last long enough for it to matter.

At the after rebate price it's definitely worth a try (I already got my rebate for the first bottle I bought so it's a legit rebate).

Here's a pic of my wheel just for fun:
 

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I have been using this and it works good. You get some build up in the corners, but I use a little compressed air and it all comes right off. Not like before when it starts getting into the clear coat. It is just a silane spray which makes the rim unreactive to break dust or other dirt particles. It is not a wax, it uses a silane compound (Decamethylcyclopentasiloxane) containing silicone with chemical functional groups on the silicone that have physical properties which make them either attract or repel certain particles. Waxes are composed of carbon and hydrogen chain molecules. I don't know if the silicone in the silane additive is phyically bonding to the clearcoat rim surface or it just dries and it is just sitting on top to coat it, but the other functional groups on this silicone molecule in the silane are free up and branch out to repel the dust/dirt particles. I am guessing it just coats the rim since it has a dry time and comes off when you wash the rim and then you have to reapply. I am a scientist and have use silanes to coat various particles to make them attract or repel other particles or fluids. Never thought to use them on a car rim.
 

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I used it and saw no difference whatsoever in my brake dust accumulation. I sprayed have of each rim and took pictures to document it but it was just as if I hadn't used anything at all.
 

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Hmmm make sure the rim is really clean before applying. There is the wait time before driving, 1 hr. Maybe you need to wait longer for it to dry. Like I said I usually would drive the first time after washing and the front rims would be covered in dust. With this after applying and driving they are still clean accept in the deep corners it builds up, but I hit it with some compressed air and it come right off. After you wash you will have to re-apply. It won't last 4 week like it says. A week in between washing is good. Rims are much easier to clean.
 

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Hmmm make sure the rim is really clean before applying. There is the wait time before driving, 1 hr. Maybe you need to wait longer for it to dry. Like I said I usually would drive the first time after washing and the front rims would be covered in dust. With this after applying and driving they are still clean accept in the deep corners it builds up, but I hit it with some compressed air and it come right off. After you wash you will have to re-apply. It won't last 4 week like it says. A week in between washing is good. Rims are much easier to clean.
I scrubbed the rim clean and let it dry for an hour in 100+ degree arizona sun I'm pretty sure it was well dried. Oh well now I have aftermarket rims and there is no way I'm spraying this stuff on the finish, they are matte black and I don't want any glossy sheen to them.

I think at the rate you need to use it you might as well just buy new pads and save the trouble.
 
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