Installing the left exhaust turbocharger for the cylinders 7 to 12

• Replace exhaust manifold seals.

  Parts:  Exhaust manifold seals

• Position the exhaust manifold seals (1)  with the bulge (arrows) to the outside.

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• Position exhaust turbocharger.
• Make sure that all retaining strips (1)  are fitted again.

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• Replace flange nuts.

  Parts:  Flange nuts

• Tighten the screws (1)  to (11)  .

Exhaust manifold with exhaust turbocharger to cylinder head
M8 Flange nut Replace nuts.	tightening torque	15 Nm

• Remove the special tool 2 451 701  from the exhaust manifold.

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• Position the coolant feed line at the exhaust turbocharger.
• Tighten down screw (1)  .

Coolant feed line to exhaust turbocharger
M6x10	Tightening torque	8 Nm

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• Install oil return line.
• Tighten down screws (1)  .

Oil return line at the exhaust turbocharger
M6x10	Tightening torque	8 Nm

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• Tighten down screw (2)  .

Oil return line to crankcase
M6x10	Tightening torque	8 Nm

• Connect and lock connector (1)  of the blow-off valve.

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• Connect and lock the connector (1)  of the wastegate valve controller.

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• Connect coolant return line and secure with spring strap clamp (2)  .

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• Position ground cable.
• Tighten down screw (1)  .

Ground cable to engine block
M6	Tightening torque	8 Nm

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• Replace sealing rings.

  Parts:  Sealing ring

• Position oil feed line.
• Tighten the banjo bolt (1)  .

Oil feed line on cylinder head
Banjo bolt M14 Replace banjo bolt and seals	Joining torque	15 Nm
	Angle of rotation	60°

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• Position the heat shield (1)  .
• Tighten screw connection of the heat shield (1)  .

Heat shield to starter/crankcase
M6x15	Tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Heat shield to starter/crankcase
M6x12	Tightening torque	8 Nm

• Tighten screw connection of the heat shield (1)  on the engine support bracket.

Heat shield to engine support arm
M6	Tightening torque	10 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

• Position heat shield.
• Tighten down screws (2)  .

Heat shield of exhaust manifold to cylinder head
M8x16	Tightening torque	8 Nm

• Tighten down screws (1)  .

Heat shield to heat shield of exhaust manifold
M6x12	Tightening torque	8 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING CHARGE AIR PIPE ON LEFT .
• Refer to INSTALLING LEFT CLEAN AIR PIPE .
• Refer to INSTALLING TOP CLEAN AIR PIPE ON LEFT .
• Refer to INSTALLING ALTERNATOR 2 .
• Refer to INSTALLING AIR CONDITIONING COMPRESSOR .
• Refer to INSTALLING THE HOLDER FOR THE DME CONTROL UNIT ON THE LEFT .
• Refer to INSTALLING THE DME CONTROL UNIT FOR CYLINDERS 7 TO 12 .
• Refer to CONNECTING ALL THE CONNECTORS TO THE DME CONTROL UNIT FOR CYLINDERS 7 TO 12 .
• Refer to INSTALLING COVER FOR THE LEFT DME CONTROL UNIT .
• Refer to INSTALLING THE LEFT ENGINE SUPPORT BRACKET .
• Refer to INSTALLING THE CATALYTIC CONVERTER FOR CYLINDERS 7 TO 12 (FRONT AXLE REMOVED) .
• Refer to CONNECTING THE LEFT EXHAUST GAS TEMPERATURE PROBE .
• Refer to CONNECTING TRANSMISSION OIL LINES .
• Refer to INSTALLING EXHAUST SYSTEM .
• Refer to INSTALLING FRONT AXLE DIFFERENTIAL .
• Refer to SECURING THE JUNCTURE SHAFT IN FRONT ON THE FRONT AXLE DIFFERENTIAL .
• Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
• Refer to CHECKING THE DRIVE BELT FOR ALTERNATOR 2 .
• Refer to INSTALLING FRONT AXLE COMPLETELY .
• Refer to SECURING THE HOLDER ON THE FRONT AXLE SUPPORT .
• Refer to RAISING FRONT AXLE SUPPORT .
• Refer to TIGHTENING THE BOLTS ON THE FRONT AXLE SUPPORT .
• Refer to ATTACHING SWIVEL BEARING IN INSTALLATION POSITION .
• Refer to SECURING THE AIR SUSPENSIONS STRUTS IN THE FRONT .
• Refer to REMOVING THE MOBILE LIFTING TABLE .
• Refer to ATTACHING COOLANT HOSES TO FRONT SUBFRAME .
• Refer to ATTACHING THE THERMOSTAT OR TRANSMISSION OIL COOLER LINE ON THE FRONT SUBFRAME .
• Refer to LOWERING THE ENGINE AND DETACHING THE ENGINE BRIDGE .
• Refer to ATTACHING THE UNIVERSAL JOINT TO STEERING GEAR .
• Refer to INSTALLING THE UNIVERSAL JOINT AT THE BOTTOM OF THE STEERING SHAFT .
• Refer to INSTALLING THE OUTPUT SHAFTS .
• Refer to IF INSTALLED: CONNECTING THE CONNECTOR OF THE ACTIVE STABILIZER .
• Refer to IF INSTALLED: SECURING THE LINE FOR THE VERTICAL ACCELERATION SENSOR ON THE RIGHT AND LEFT .
• Refer to ATTACHING THE CABLE OF THE WHEEL RPM SENSOR ON THE LEFT AND RIGHT .
• Refer to INSTALLING THE BRAKE CALIPER AT THE FRONT LEFT AND RIGHT .
• Refer to SECURING THE RIGHT AND LEFT OUTPUT SHAFTS ON THE WHEEL BEARING .
• Refer to IF INSTALLED: INSTALLING THE SILENCER OF THE STATIONARY HEATING .
• Refer to INSTALLING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
• Refer to INSTALLING LEFT AND RIGHT BRAKE VENTILATION DUCT .
• Refer to SECURING THE WIRING HARNESS FOR THE EPS ON THE FRONT AXLE SUPPORT .
• Refer to INSTALLING THE REINFORCEMENT STRUT ON THE RIGHT ENGINE MOUNT .
• Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY ON THE LEFT AND RIGHT .
• Refer to INSTALLING THE FRONT LEFT AND RIGHT WHEELS .
• Refer to INSTALLING RIGHT AIR DUCT .
• Refer to INSTALLING THE LEFT-HAND AIR DUCT .
• Refer to INSTALLING THE CENTER COWL UPPER PART .
• Refer to INSTALLING WINDSHIELD PANEL COVER .
• Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
• Refer to INSTALLING TENSION STRUT ON SHOCK TOWER .
• Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING THE MOUNT OF THE HOOD SEAL .
• Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
• Refer to INSTALLING LEFT INTAKE SILENCER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE CENTER TOP CROSS CONNECTION .
• Refer to INSTALLING BUMPER COVER, FRONT .
• Refer to INSTALLING FRONT SECTION OF THE FRONT WHEEL ARCH COVER (PARTIALLY REMOVED) .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
• Refer to CHECKING THE COOLANT LEVEL IN THE HIGH-TEMPERATURE COOLANT CIRCUIT AND TOPPING UP AS NEEDED .
• Refer to CONNECTING ALL BATTERY GROUND LEADS .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .
• Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to EVACUATING AND CHARGING CONDITIONING .