Volkswagen BHK-Black engine and 6spd gearboxA VW BHK engine is a 3. 2L VR6 gasoline engine, commonly found in Volkswagen and Audi vehicles. It is a naturally aspirated engine and is often paired with a 6 speed gearbox. Vehicles that typically use the BHK engine with a 6 speed manual or DSG transmission include: Audi A3 3. 2 Quattro (20042009) Audi TT Mk2 3. 2 Quattro (20062010) Volkswagen Golf R32 Mk5 (20052009) These models feature the BHK engine in an all wheel drive layout (Haldex based)