Install all roller cam followers

• Observe the classification of the roller cam followers.

  The classification in digits from 1 to 5 has been printed on the roller cam follower.

  Classification	Idle speed
  1	Repair case - slow engine speed when idling
  2	Installed as standard/Initial installation
  3	Installed as standard/Initial installation
  4	Installed as standard/Initial installation
  5	Repair case - high engine speed when idling

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install the roller cam follower (1) on the intake side.
• Make sure that the roller cam follower (1) is correctly positioned on the hydraulic valve clearance compensating element (arrows) and the intake valves.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Install the roller cam follower (1) on the exhaust side.
• Make sure that the roller cam follower (1) is positioned correctly on the hydraulic valve clearance compensating elements (arrows) and the exhaust valves.

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up Work 

• Refer to INSTALL INTAKE CAMSHAFT .
• Refer to INSTALL EXHAUST CAMSHAFT .
• Refer to INSTALLING THE INTAKE ADJUSTER .
• Refer to INSTALL EXHAUST CAMSHAFT ADJUSTER .
• Refer to BLOCKING THE CAMSHAFTS
• Refer to PRELOAD TIMING CHAIN .
• Refer to TIGHTENING THE VANOS CENTRAL VALVE .
• Refer to DISASSEMBLING ALL SPECIAL TOOLS
• Refer to CHECKING CAMSHAFT TIMING .
• Refer to INSTALLING THE THERMOSTAT ON THE TRANSMISSION OIL LINES .
• Refer to SECURING THE OIL SUMP ACOUSTIC COVER .
• Refer to CHECKING INSTALLATION POSITION OF ROLLER CAM FOLLOWERS
• Refer to INSTALLING ALL INTERMEDIATE LEVERS .
• Refer to INSTALLING ALL GATES .
• Refer to CHECKING THE POSITION OF THE INTAKE CAMSHAFT .
• Refer to INSTALLING THE TORSION SPRINGS .
• Refer to INSTALLING SERVOMOTOR FOR THE ECCENTRIC SHAFT .
• Refer to INSTALLING CYLINDER HEAD COVER .
• Refer to INSTALLING BOTH ACTUATORS .
• Refer to PREPARE THE INJECTORS FOR INSTALLATION .
• Refer to INSTALLING THE RAIL
• Refer to PREPARE FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP
• Refer to INSTALL HIGH PRESSURE PUMP .
• Refer to INSTALLING FUEL DELIVERY LINE .
• Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
• Refer to INSTALLING ALL SPARK PLUGS .
• Refer to INSTALLING THE IGNITION COILS .
• Refer to INSTALL THE CYLINDER HEAD COVER ACOUSTIC COVER
• Refer to INSTALLING THE INTAKE PLENUM .
• Refer to INSTALLING THE TANK VENT VALVE .
• Refer to INSTALL CONTROL UNIT BRACKET .
• Refer to INSTALL THE INTEGRATED POWER SUPPLY MODULE (PDM) .
• Refer to INSTALLING THE DME CONTROL UNIT .
• Refer to INSTALL THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to INSTALL FRONT ENGINE ENCAPSULATION .
• Refer to INSTALLING AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
• Refer to CONNECT THE COOLANT LINE OF HIGH-TEMPERATURE COOLANT CIRCUIT
• Refer to CONNECT THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT
• Refer to INSTALL CHARGE AIR LINE .
• Refer to INSTALLING CLEAN AIR PIPE .
• Refer to INSTALL RESONATOR .
• Refer to INSTALLING CENTER BULKHEAD LOWER SECTION
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to FASTENING HIGH-VOLTAGE CABLES ON THE ELECTRICAL MACHINE ELECTRONICS .
• Refer to INSTALLING RIGHT SEALING FRAME
• Refer to INSTALLING LEFT SEALING FRAME .
• Refer to INSTALLING THE CENTER BULKHEAD UPPER PART
• Refer to INSTALL TENSION STRUT ON SHOCK TOWER .
• Refer to INSTALLING COWL PANEL COVER .
• Refer to INSTALL LEFT AND RIGHT WIPER ARM .
• Refer to INSTALL THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALL THE SEAL FOR THE BONNET .
• Refer to FILL THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE
• Refer to BLEEDING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to BLEED THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to CHECKING/TOPPING UP OIL LEVEL IN AUTOMATIC TRANSMISSION .
• Refer to CHECK ENGINE OIL LEVEL .
• Refer to INSTALL ACOUSTIC COVER .
• Refer to INSTALLING THE REAR STIFFENING PLATE .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT STIFFENING PLATE .
• Refer to INSTALL THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to TAKE BONNET OUT OF THE SERVICE POSITION .