Hvilken effekt har den firecylindrede motor i BMW E39? 


525td (2,5 liter med 85 kW (115 hk)) af 520d (2,0 liter med 100 kW (136 hk)), samtidig modelseriens eneste firecylindrede motorversion
Coates, John, The Naval Architecture and Oar Systems of Ancient Galleys, i Morrison, John S. & Gardiner, Robert (red.), The Age of the Galley: Mediterranean Oared Vessels Since Pre-Classical Times. Conway Maritime, London, 1995. , side 127-141.