I have a 2011 BMW 1 Series Sport. As you will know, rear drive BMWs are not much good in the snow. I live on a sloping road with a right-angled bend part way up and have a sloping drive. I can and do clear the drive and the local Council sends a large tractor with a plough for the road. It's not that much help, simply compacting the snow with its huge tyres and merely taking off the top surface. I've been wondering what would be best to improve this BMW trait. I've looked at Snow Socks but don't fancy the inconvenience of fitting and removing them. I've also pondered long and hard over winter or all weather tyres. Which brand would be best, and rear wheels only or all four corners?