I've taken them off (seasonal) but they did quite well for trips to the ski hill. They were a bit more noisy but overall I'm pleased. I've gotta get a set of 18" rims tho so I don't have to go through having them mounted and dismounted. Man the tire store sure jacked up my rims in that process!

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2007 328i Sport, Monaco Blue
2011 X35D - sold -Space Grey
2004 X5 4.4i - sold - Kalahari Beige
2001 X5 3.0i - sold - Pearl Beige
2006 325i Sport, Sonora Beige
2000 323i - sold - Sienna Red