How much horsepower does a S50B32 have?By oliviajones HomebmwHow much horsepower does a S50B32 have? How much horsepower does a S50B32 have? S50B32 (1995–1999) – 3. The S50B30 produces 210 kW (286 PS; 282 hp), has a bore of 86 mm (3.