Determining the classification of the crankshaft main bearing shell

Preliminary work 

• Refer to REMOVE THE FRONT AXLE COMPLETELY WITH THE ENGINE AND TRANSMISSION .
• Refer to REMOVING THE ENGINE FROM THE FRONT AXLE .
• Refer to INSTALLING THE ENGINE ON THE ASSEMBLY JIG .
• Refer to REMOVING THE OIL FILLER CAP .
• Refer to RELEASING THE OIL DRAIN PLUG .
• Refer to TIGHTENING THE OIL DRAIN PLUG .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING ALL IGNITION COILS
• Refer to REMOVING ALL SPARK PLUGS .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVE THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
• Refer to REMOVE HIGH PRESSURE PUMP .
• Refer to REMOVING THE RAIL WITH INJECTORS OF CYLINDERS 1 TO 3 .
• Refer to REMOVING THE RAIL WITH INJECTORS OF CYLINDERS 4 TO 6 .
• Refer to INSTALLING BOTH ACTUATORS .
• Refer to REMOVING THE CYLINDER HEAD COVER .
• Refer to REMOVE TANK VENT VALVE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
• Refer to REMOVING THE OXYGEN SENSOR MONITOR .
• Refer to REMOVE CATALYTIC CONVERTER .
• Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVE THE COOLANT LINE BETWEEN THE COOLANT PUMP AND CYLINDER HEAD .
• Refer to BLOCKING ENGINE IN TDC FIRING POSITION .
• Refer to REMOVING CHAIN TENSIONER .
• Refer to RELEASING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to REMOVING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
• Refer to REMOVING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
• Refer to REMOVING INTAKE ADJUSTER .
• Refer to REMOVE EXHAUST CAMSHAFT ADJUSTER .
• Refer to REMOVE THE TEST GAUGES FOR SECURING THE CAMSHAFTS .
• Refer to REMOVING THE CYLINDER HEAD .
• Refer to REMOVING THE CYLINDER HEAD GASKET .
• Refer to REMOVING THE DRIVE BELT FOR THE STARTER MOTOR GENERATOR .
• Refer to REMOVE THE ACOUSTIC COVER OF THE OIL SUMP .
• Refer to REMOVING STARTER MOTOR
• Refer to REMOVING THE VIBRATION DAMPER .
• Refer to REMOVING FLYWHEEL .
• Refer to REMOVE FRONT AXLE DIFFERENTIAL .
• Refer to REMOVE BEARING BRACKET .
• Refer to REMOVE OIL PAN
• Refer to REMOVE THE OIL VACUUM PUMP .
• Refer to REMOVING THE OIL DEFLECTOR
• Refer to REMOVING ALL PISTONS WITH CONNECTING ROD .
• Refer to REMOVE REAR TIMING CASE COVER .
• Refer to REMOVING TIMING CHAIN .
• Refer to REMOVING CRANKSHAFT .

• Read off the code letters on the crankcase. 

  K = Clutch side

  Item numbers (7) to (1) describe the bearing seats 7 to 1. The code number is located on each of the crankshaft bearing caps.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Read off the code letters on the crankshaft. 

  K = Clutch side

  Item numbers (1) to (7) describe the bearing seats 1 to 7. The code number is located on each of the crankshaft bearing caps.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Enter the code letters of the crankcase  and the code letters of the crankshaft. 

  	Code letter on the crankcase	Key performance indicator on the crankshaft
  Bearing seat 1
  Bearing seat 2
  Bearing seat 3
  Bearing seat 4
  Bearing seat 5
  Bearing seat 6
  Bearing seat 7

  Check 

  Result 

  » All code letters are to be found in the table.

  Measure

  • Determine the classification of the main guide bearing shells based on further information.

    11 21... Table for the classification of main bearing shells 1, 2, 3, 5, 6 (B58TU1)

    11 21... Table for the classification of guide bearing shell 4 (B58TU1)

    11 21... Table for the classification of main bearing shell 7 (B58TU1)