Sideways BMW M1 Slot Car. RCSW44 is a model of the Group 5 Schnitzer BMW M1 Turbo. This Lubri backed car was driven at the Zolder round of the DRM in 1981 by Hans-Joachim Stuck . 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.