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Home >> Audi >> 2009 >> S4 Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 4.2L - Engine Mechanical, Engine Code(S): BHF >> 00 - General, Technical Data >> Engine data >> Engine data

Engine data

Code letters BHF
Displacement ltr. 4,163
Output kW at RPM 221/6200
Torque Nm at RPM 380/2600 to 4700
Bore dia. mm 84.5
Stroke mm 92.8
Compression ratio 11.0
RON 98 * See note
Fuel injection and ignition system Bosch Motronic
Ignition sequence 1-5-4-8-6-3-7-2
Exhaust gas recirculation (EGR) No
Charging No
Knock control Yes
Variable valve timing Yes
Variable intake manifold Yes
Secondary air injection (AIR) system Yes

*Super unleaded RON 95 is permissible, but with reduced power.