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Home >> BMW >> 2021 >> 330e >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Technical Data (G20) >> 11 12 CYLINDER HEAD WITH LID (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i, M340i xDrive)

11 12 CYLINDER HEAD WITH LID (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i, M340i xDrive)

1112 TECHNICAL DATA OVERVIEW

Check for cylinder head watertightness 
  Temperature of the cylinder head  60°C
Check for cylinder head watertightness 
  Testing pressure  max. 3.0 bar
Cleaning the intake ports 
  Blast duration with walnut shell granules  Approx. 20 s
  Blast duration with pure compressed air for the complete blowing out of walnut shell granules  Approx. 10 s
Cleaning the intake ports 
  Operating pressure  6 bar... 8 bar
Cross deviation from flatness 
    max. 0.05 mm
Longitudinal deviation from flatness 
    max. 0.10 mm