Up here in Canada, Winter tires are pretty much mandatory past October 31st, and it's law in Québec.
1994 530i 5 speed - RIP due to a dipshit that can't do overshoulder checks and ran over the front end with his Jeep!
1989 325i - RIP due to a knucklehead that rammed the car in the butt doing 50 km/hr while I was stopped at a intersection!!
New ride: 1998 318i