Install both exhaust manifolds

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• Clean sealing surfaces (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.

• Clean sealing surfaces (1)  .
• Replace seals (1)  .

  Parts:  Seals

• Position seals (1)  .

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• Install seal (1)  with the side of the bead (2)  (seal cavity) toward the exhaust manifold (3)  .

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• Position exhaust manifold (2)  .
• Replace screws (1)  .

  Parts:  Screws

• Tighten down screws (1)  .

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• Position exhaust manifold (2)  .
• Replace screws (1)  .

  Parts:  Screws

• Tighten down screws (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING FRONT HEAT SHIELD .
• Refer to INSTALLING LEFT AND RIGHT EXHAUST TURBOCHARGERS .
• Refer to MOUNTING FIXTURE ON THE RIGHT .
• Refer to INSTALLING LEFT MOUNT .
• Refer to INSTALLING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
• Refer to INSTALLING CLEAN AIR PIPE OF CYLINDER BANK 1 .
• Refer to INSTALLING CATALYTIC CONVERTER NEAR THE ENGINE ABOVE CYLINDER BANK 1 .
• Refer to INSTALLING UPPER CATALYTIC CONVERTER NEAR ENGINE FOR BANK 2 .
• Refer to INSTALLING HEAT SHIELD, TOP .
• Refer to INSTALLING CONDUIT ON BANK 2 .
• Refer to INSTALLING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
• Refer to INSTALLING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 1 .
• Refer to INSTALLING THE TANK VENTILATION LINE OF CYLINDER BANK 1 PARTIALLY .
• Refer to INSTALLING CONDUIT ON BANK 1 .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR OF CYLINDER BANK 1 .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR OF CYLINDER BANK 2 .
• Refer to CHECKING THE POSITION OF THE HEAT SHIELD .
• Refer to INSTALLING EXPANSION TANK FOR THE CHARGE AIR COOLER .
• Refer to INSTALLING COOLANT EXPANSION TANK .
• Refer to INSTALLING THE LAMBDA OXYGEN SENSOR FOR CYLINDERS 5 TO 8 .
• Refer to INSTALLING THE PRIMARY OXYGEN SENSOR FOR CYLINDERS 1 TO 4 .
• Refer to INSTALLING THE CHARGE AIR COOLER ON THE LEFT AND RIGHT .
• Refer to CLOSING THE COOLANT PUMPS .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to INSTALLING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to REMOVING UNDERBODY PROTECTION AT SIDE RIGHT AND LEFT .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE FRONT RIGHT WHEEL .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to INSTALLING FAN COWL WITH ELECTRIC MOTOR .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING RIGHT INTAKE SILENCER HOUSING .
• Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to TIGHTENING THE LEFT FRONT-END STRUT .
• Refer to TIGHTENING THE FRONT-END STRUT ON THE RIGHT .
• Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE FRONT HOOD SEAL .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
• Refer to ATTACHING WINDSHIELD PANEL COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE COVER PANEL OF THE SLAVE DME CONTROL UNIT .
• Refer to INSTALLING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
• Refer to ACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
• Refer to CHECKING ENGINE OIL LEVEL .