FixVault

Ignition Timing

IGNITION TIMING SPECIFICATIONS

Application RPM Specification
1974
  2002 & 2002A 1500 25°BTDC
  2002 tii 2700 25°BTDC
1975
  2002 Series 2800 25°BTDC
1976
  2002 Series
    California 2800 25°BTDC
    Federal 2400 27°BTDC
1977-79
  320i
    California 2400 25°BTDC
    Federal 2200 25°BTDC

With engine at normal operating temperature, connect a timing light and tachometer to vehicle. Disconnect and plug distributor vacuum line. Start engine and adjust speed to specifications. See IGNITION TIMING SPECIFICATIONS table . To adjust ignition timing, rotate distributor until center of steel ball embedded in flywheel is visible at edge of inspection hole.