Here at Fields BMW Northfield, we're always excited to see a new BMW vehicle. That's why we're thrilled that the 2018 model year is officially here to unveil updated cars that offer the latest tech and performance tweaks. One 2018 model that hasn't yet made it to our lot but recently caught our eye is the 2018 BMW M3 CS, a limited-edition performance car that pushes the 2018 BMW 3 Series…