Sideways BMW 320 Slot Car. RCSW42 is a model of the Group 5 BMW 320 Turbo. This Fruit of the loom backed GS Tuning car was driven at the Norisring round of the DRM in 1978 by Markus Hottinger. The adjustable sidewinder chassis features a separate motor mount fitted with a 20.000 rpm flat 6 motor. Most of the parts are supplied by Slot.it.