I just bought the Daytona Spped Master Wheel Brush. When I opened it up, I was a bit disappointed in the material. I was hoping/expecting something soft, but it's just something slightly softer than hard plastic. As expected, when I tried it out, it did a horrible job on the rims spokes. But in the product's defense, it was definitely a lot easier cleaning behind the spokes (as Denalio pointed out). Just be careful not to pull it out too fast as it got my clothes all dirty from the dirt-brakedust-water flying off the brush).

The Chemical Guy's "Wheel and Rim Cleaner Gel" was really no better than PS21. Plus it's claim that it "sticks to the rim without dripping" is completely bogus. It ran just like the PS21 gel does.

I'm just going to continue with my trusty California Duster for quick in-between jobs, and with simply wash soap, water and my microfiber thing (don't even know what it's called. It came free with a car wash package a friend bought from Costco). It's just tiring on the hands with all the different angles in the 214's.

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2008 X5 4.8
White w/ Black Interior w/ Bamboo Trim | Premium | Sports + 214" | Tech | Cold Weather | Rear Climate | Premium Sound | Active Vent Seats | Heads-Up | Comfort Access | 3rd Row | Aero Kit | Huper Optik Tint | Clear Reflectors