generation: BBK 4.2 V8

Introduction Audi’s BBK was a 4.2-litre, 40 valve V8 petrol engine that was first introduced in the Audi B6 S4. Key features of the BBK engine included its: Cast aluminium alloy block with 90-degree ‘V’ angle; Die-forged steel crankshaft with five main bearings; Cast aluminium alloy cylinder head; Chain-driven double overhead camshafts; Five valves per […]