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Home >> BMW >> 1981 >> 633CSi Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up - 6 CYL >> Compression Pressure >> Compression Pressure Specifications

Compression Pressure Specifications

Application Pressure
528i
  Good Above 156 psi (11 kg/cm2 )
  Normal 142-156 psi (10-11 kgcm2 )
  Poor Below 142 psi (10 kg/cm2 )
633CSi & 733i
  Good Above 142 psi (10 kg/cm2 )
  Normal 121-142 psi (8.5-10 kg/cm2 )
  Poor Below 121 (8 kg/cm2 )
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