BMW Unveils Quad-Turbo Six-Cylinder Diesel, the 394 HP, 561 LB-FT V8 Killer
2 May 2016, 15:11 UTC · By: Andrei Tutu / With rumors having been floating around for one year now, BMW has introduced a new quad-turbo L6 diesel, which will compete with Audi's new V8 TDI