BMW N45, a 2004 compact straight-4 automobile piston engine
BMW | Formula BMW | Mini (BMW) | BMW Motorrad | BMW 3 Series | BMW M3 | BMW 3/15 | BMW 003 | BMW M1 | BMW 3 Series (E90) | JPS Team BMW | BMW V12 LMR | BMW US Manufacturing Company | BMW R75 | BMW PGA Championship | BMW New Class | BMW Motorsport | BMW Masters | BMW M70 | BMW M5 | BMW in motorsport | BMW GS parallel-twin | BMW E9 | BMW 801 | BMW 1 Series | Performance BMW | BMW Z4 | BMW xDrive | BMW X5 | BMW USA's |