Removing both exhaust turbochargers for cylinders 1 to 6
WARNING:
Hot surfaces
.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Electrostatic discharge .
Damage to or destruction of electrical components .
Electrostatic discharge .
Damage to or destruction of electrical components .
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
- Read and comply with user information on using the associated special tool 12 7 060.
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
- For additional information see: 61 35... NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .
NOTE:
RISK OF DAMAGE
Prior to replacing the exhaust turbocharger: Observe the notes on troubleshooting on the exhaust turbocharger .
Prior to replacing the exhaust turbocharger: Observe the notes on troubleshooting on the exhaust turbocharger .
NOTE:
TECHNICAL INFORMATION
For exhaust turbocharger damage: Check the pressure pipes, charge air cooler and intake plenum for foreign matter, damage and correct functionality.
If the oil return line is exchanged, then the connecting pipe to the oil sump must ALWAYS be cleaned, as the connecting pipe can coke.
For exhaust turbocharger damage: Check the pressure pipes, charge air cooler and intake plenum for foreign matter, damage and correct functionality.
If the oil return line is exchanged, then the connecting pipe to the oil sump must ALWAYS be cleaned, as the connecting pipe can coke.
Preliminary work
- Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
- Refer to REMOVING SUSPENSION STRUT BRACE .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE FRONT-END STRUT .
- Refer to REMOVING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
- Refer to REMOVING SEAL FOR FRONT HOOD .
- Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
- Refer to REMOVING UPPER CROSS CONNECTION .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
- Refer to REMOVING CLEAN AIR PIPE CYLINDERS 4-6 .
- Refer to PARTIALLY REMOVING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to REMOVING THE HOLDER OF THE POSITIVE BATTERY CABLE .
- Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 3 .
- Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 4 TO 6 .
- Refer to REMOVING THE OIL FILLER CAP .
- Refer to REMOVING THE FRONT SPOILER .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE LEFT AND RIGHT FRONT UNDERSHIELD .
- Refer to REMOVING THRUST FIELD .
- Refer to REMOVING THE RIGHT HAND FRONT BOTTOM SIDE COVER .
- Refer to RELEASING THE OIL DRAIN PLUG .
- Refer to TIGHTENING THE OIL DRAIN PLUG .
- Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
- Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
- Refer to REMOVING EXHAUST SYSTEM .
- Refer to REMOVING INTERMEDIATE PIPE .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 1 TO 3 .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 4 TO 6 .
- Refer to REMOVING BOTH CATALYTIC CONVERTERS .
- Refer to REMOVING THE FAN COWL .
- Refer to REMOVING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND EXHAUST TURBOCHARGER .
- Refer to PARTIALLY RELEASING THE AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
- Refer to REMOVING THE COOLANT RETURN LINE BETWEEN THE EXHAUST TURBOCHARGER AND THERMOSTAT .
- Refer to REMOVING THE CHARGE AIR DUCT FOR CYLINDERS 1-3 .
- Refer to REMOVING THE EXHAUST TURBOCHARGER HEAT SHIELD FOR CYLINDERS 1 TO 3 .
- Refer to REMOVING THE OIL RETURN LINE FOR THE CYLINDERS 4 TO 6 .
- Refer to REMOVING THE OIL FEED LINE FOR CYLINDERS 1 TO 3 .
Both exhaust turbochargers for cylinders 1 to 6
Remove the exhaust turbocharger for the cylinders 4 to 6
Exhaust turbocharger for the cylinders 4 to 6
NOTE:
RISK OF DAMAGE
Damage of the electric wastegate valve controller .
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller .
Damage of the electric wastegate valve controller .
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller .
- Do not pull on the electrical wastegate valve controller or on the coupling rod.
- Apply force only at the turbine housing and exhaust manifold.
- Do not pull on the compressor housing.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
- Loosen screw (1) .
- Guide out the oil feed line (2) for cylinders 4 to 6 and set aside.
- Catch and dispose of emerging motor oil.
- Loosen screws (1) .
- Feed out and remove the heat shield (2)
.
- Unlock lock (1) .
- Let the lock (1)
engage at the holder (arrow).
- Loosen screw (1) .
- Unlock and loosen lock (2) .
- Unlock and release the charge air duct (3) for cylinders 4 to 6.
- Guide out the charge air pipe (4)
for cylinders 4 to 6 and remove.NOTE: TECHNICAL INFORMATION
Exhaust manifold/exhaust turbocharger is not bolted to the underside, but clamped instead. When removing/replacing the exhaust manifold/exhaust turbocharger, the trim strip remains screwed on. - Protect the exhaust turbocharger from falling.
- Release the nuts in the sequence (4) to (1) .
- Guide out and remove the reinforcement plate (A)
.
Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Heavy component .
Heavy components can lead to injury or damage .- Remove and install heavy components with the aid of another person/other persons.
- Guide the exhaust turbocharger (1)
out of the trim strip (2)
and remove.
- Guide the seal (1) out of the marked area and remove.
Remove the exhaust turbocharger for cylinders 1 to 3
Exhaust turbocharger for the cylinders 1 to 3
NOTE:
RISK OF DAMAGE
Damage of the electric wastegate valve controller .
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller .
Damage of the electric wastegate valve controller .
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller .
- Do not pull on the electrical wastegate valve controller or on the coupling rod.
- Apply force only at the turbine housing and exhaust manifold.
- Do not pull on the compressor housing.
NOTE:
TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
- Release the screw (1) .
- Guide out the oil feed line (2)
for cylinders 1 to 3 and set it to the side.
Catch and dispose of emerging engine oil.
- Unlock plug connection (1) and disconnect.
- Unlock plug connection (2) and disconnect.
- Loosen screw (3) .
- Loosen screws (4) .
- Feed out the connecting bracket (5)
for cylinders 1 to 3 and remove it.NOTE: TECHNICAL INFORMATION
Exhaust manifold/exhaust turbocharger is not bolted to the underside, but clamped instead. When removing/replacing the exhaust manifold/exhaust turbocharger, the trim strip remains screwed on. - Protect the exhaust turbocharger from falling.
- Loosen the nuts in the sequence (4) to (1) .
- Guide out and remove the reinforcement plate (A)
.
Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Heavy component .
Heavy components can lead to injury or damage .- Remove and install heavy components with the aid of another person/other persons.
- Guide the exhaust turbocharger (1)
out of the trim strip (2)
and remove.
- Guide the seal (1) out of the marked area and remove.