The Laurin & Klement BS (also known as the 10 HP) was a much improved successor of the Laurin & Klement B. The car was introduced in 1908 as a 2-seater Voiturette and went out of production in 1915.
The water-cooled, side-valve four-stroke engine with a L-head had a displacement of 1399cm ³ and a power output of 10 hp (7.4 kW). This helped to accelerate the 600-700-pound vehicle up to 40-50 km/h. The power was transferred through a gearbox and drive shaft to the rear wheels. The chassis of the car consisted of riveted steel U-profile beams.