The 1979 MY BMW R 100 S comes with standard fittings such as a hydraulic telescopic fork as a front suspension, dual adjustable shocks in the rear, a dual seat, pillion grab rails, a small, nose-fairing with a windshield, an analogue instrumentation panel, dual front disc brakes coupled to a rear drum brake, die-cast aluminium wheels and a chromed, dual exhaust system.
Also, a maximum power output of 70 horsepower and 76 Nm of torque is achieved by its four-stroke, air-cooled, 980cc, boxer opposed two cylinder powerplant that is paired to a five-speed manual transmission with a shaft final drive.