250 grey cast iron; , die-forged steel crankshaft with five diameter main bearings, two chain-driven counter-rotating balance shafts suppressing second degree free inertial forces and oil pump, horizontal-baffled oil sump. The water pump bolts to the side of the block, under the intake manifold, and is driven by a toothed belt and a pulley on the back of the intake-side balance shaft. cylinder head & valvetrain cast aluminium alloy; four valves per cylinder, 16 valves total, low-friction roller finger cam followers with automatic hydraulic valve clearance compensation, toothed chain-driven double overhead camshaft (DOHC), continuous vane-adjustable variable intake valve timing, Audi variants have two-stage "valvelift" inlet valve lift variable control aspiration hot-film air mass meter, cast alloy throttle body with electronically controlled Bosch E-Gas throttle valve, plastic variable length controlled intake manifold with charge movement flaps controlling combustion chamber air movement, IHI water-cooled turbocharger incorporated in exhaust manifold, sandwiched central front-mounted intercooler (FMIC) fuel system fully demand-controlled and returnless; – fuel tank–mounted low-pressure fuel pump; Fuel Stratified Injection (FSI): single-piston high-pressure injection pump driven by a four-lobe cam on the exhaust camshaft supplying up to fuel pressure in the stainless steel common rail fuel rail, four combustion chamber sited direct injection sequential solenoid-controlled six-hole fuel injectors, air-guided combustion process, multi-pulse dual-stage injection during the induction and compression stroke with homogeneous mixing, stratified lean-burn operation with excess air at part load, 95 RON ultra-low sulphur unleaded petrol ignition system & engine management centrally positioned longlife spark plugs, mapped direct ignition with four individual direct-acting single spark coils; Bosch Motronic MED 17 electronic engine control unit (ECU), cylinder-selective knock control via two knock sensors, permanent lambda control exhaust system cast iron exhaust manifold (with integrated turbocharger), close-coupled and main catalytic converters – both ceramic DIN-rated motive power & torque outputs and applications – Non-valvelift variants at 4,300–6,000 rpm; at 1,700–5,000 rpm — CAWA: VW Tiguan at 4,300–6,200 rpm; at 1,700–4,200 rpm — CCZC: Audi Q3, engine is installed transversely, VW Tiguan at 4,500–6,200 rpm; at 1,700–4,500 rpm — CCZD: VW Tiguan at 5,100–6,000 rpm; at 1,800–5,000 rpm — CCTA/CBFA: 2009 VW Golf Mk5 GTI (US only), VW Golf Mk6 GTI (US only), Audi Q3 (US Only), VW Jetta Mk5, VW Jetta Mk6, VW Passat B6, VW CC, Audi A3 (8P) at 5,100–6,000 rpm; at 1,700–5,000 rpm — CAWB: Audi A3 Cabriolet, VW Scirocco, VW Tiguan, CCZA: Audi TT, Škoda Superb Mk2 (3T), Škoda