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Home >> Audi >> 2009 >> S4 Standard >> Repair and Diagnosis >> Engine Performance >> System >> 4.2L - Fuel Injection And Ignition, Engine Code(S): BHF >> 28 Ignition/Glow plug system >> Ignition system, checking >> Technical data for ignition system
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Technical data for ignition system

Engine code letters  BHF 4.2 L 253 KW (344 HP) 
Ignition timing is determined by the control module.
Ignition timing cannot be adjusted.
 
Ignition system Individual coil system with 8 ignition coils connected directly to spark plugs via spark plug connectors (common component ignition coil and performance output stage).
Spark plugs Part number and manufacturer's designation
  Tightening torque 30 Nm
Firing order 1-5-4-8-6-3-7-2