Removing heat shield at bottom

WARNING: Hot exhaust system.
Risk of burning!

Any work must exclusively be carried out with an exhaust system that has cooled down.

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

WARNING: Hot fluids.
Risk of scalding!

Conduct all work in the vehicle wearing appropriate personal protective equipment only.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For additional information see: 11 00... OVERVIEW OF CONSUMABLES IN APPLICABLE BMW PARTS CATALOGUE .

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE TOP LEFT COVER IN THE ENGINE COMPARTMENT and REMOVE THE TOP RIGHT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE FRONT-END STRUT .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE INTAKE FILTER HOUSING ON THE LEFT .
Refer to REMOVING THE LEFT UNFILTERED-AIR DUCT .
Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
Refer to REMOVING OIL FILLER NECK .
Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING DRIVE BELT .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE WHEEL ARCH COVER AT THE BOTTOM FRONT LEFT AND BOTTOM RIGHT .
Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING RIGHT CHARGE AIR COOLER .
Refer to REMOVING LEFT CHARGE AIR COOLER .
Refer to REMOVING THE IGNITION COIL FROM CYLINDER 5 .
Refer to PARTIALLY RELEASING FUEL FEED LINE .
Refer to REMOVING HEAT SHIELD OF THE CRANKCASE VENTILATION FOR CYLINDERS 1 TO 4 .
Refer to REMOVING THE HEAT SHIELD OF THE CRANKCASE VENTILATION OF THE CYLINDERS 5 TO 8 .
Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
Refer to PARTIALLY DETACHING ACTIVATED CARBON FILTER LINE .
Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 5 TO 8 .
Refer to REMOVING THE LEFT INTAKE SILENCER BRACKET .
Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
Refer to REMOVING THE RIGHT INTAKE SILENCER BRACKET .
Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 1 TO 4 .
Refer to REMOVING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
Refer to REMOVING THE ALTERNATOR .
Refer to REMOVING THE CROSS OF THE TRANSMISSION WIRING HARNESS .
Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
Refer to REMOVING UPPER HEAT SHIELD .
Refer to DISCONNECTING THE EXHAUST SYSTEM .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING NEAR-ENGINE CATALYTIC CONVERTER AT THE BOTTOM OF THE CYLINDER BANK 1 .
Refer to REMOVING UPPER CATALYTIC CONVERTER NEAR ENGINE FROM CYLINDER BANK 1 .
Refer to REMOVING NEAR-ENGINE CATALYTIC CONVERTER AT THE BOTTOM OF THE CYLINDER BANK 2 .
Refer to REMOVING THE CATALYTIC CONVERTER NEAR THE ENGINE AT TOPPING OF CYLINDER BANK 2 .
Refer to REMOVING THE LEFT AND RIGHT EXHAUST TURBOCHARGER .
Refer to REMOVING FRONT HEAT SHIELD .
Refer to REMOVING HEAT SHIELD OF THE CYLINDER HEAD COVER FOR CYLINDERS 1 TO 4 .
Refer to REMOVING HEAT SHIELD OF CYLINDER HEAD COVER OF CYLINDERS 5 TO 8 .
Refer to REMOVING BOTH EXHAUST MANIFOLDS .

Loosen screws (1) .
Remove the heat shield (2) upwards.

Courtesy of BMW OF NORTH AMERICA, INC.