I have been running the Powerstop Revolution Ceramic pads for about 3 years now, with excellent results. Almost no visible dust, and braking performance to me feels just like the OE. You can usually get some really good buys on Ebay or Amazon on these.

I try to use these on all my vehicles now. I installed a set of "top of the line" ceramics purchased locally from one of the big chains, on my Pontiac van a couple of years ago. They were advertised as low dust. Very disappointing, though, as they generate considerable ugly dust!

Tradeoff for buying online is that I can't simply run down to the local big chain store for free lifetime warranty replacements when I wear a set out.

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2009 X5 3.0
2001 X5 4.4 - Sold