Removing heat shield at bottom

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.

Preliminary work

Refer to DEACTIVATING VEHICLE ELECTRICAL SYSTEM .
Refer to REMOVING THE COVER PANEL OF THE MASTER DME CONTROL UNIT .
Refer to REMOVING THE COVER PANEL OF THE SLAVE DME CONTROL DEVICE .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
Refer to REMOVING LEFT AND RIGHT WIPER ARM .
Refer to REMOVING TRAILING LINK AT SPRING BOLT .
Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
Refer to REMOVING THE FRONT HOOD SEAL .
Refer to REMOVING THE CENTER ENGINE COMPARTMENT COVER .
Refer to RELEASING LEFT FRONT-END STRUT .
Refer to RELEASING THE RIGHT FRONT-END STRUT .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING FAN COWL WITH ELECTRIC MOTOR .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING UNDERBODY PLANKING ON LEFT AND RIGHT SIDE .
Refer to REMOVING THRUST FIELD .
Refer to DISCONNECTING THE EXHAUST SYSTEM .
Refer to REMOVING NEAR-ENGINE CATALYTIC CONVERTER AT THE BOTTOM OF THE CYLINDER BANK 1 .
Refer to REMOVING NEAR-ENGINE CATALYTIC CONVERTER AT THE BOTTOM OF THE CYLINDER BANK 2 .
Refer to REMOVING FRONT RIGHT WHEEL .
Refer to REMOVING THE FRONT RIGHT LOWER WHEEL ARCH COVER .
Refer to DRAINING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING DRIVE BELT .
Refer to REMOVING THE WHEEL ARCH COVER ON THE FRONT LEFT AND BOTTOM RIGHT .
Refer to DRAINING THE COOLANT FROM THE COOLANT PUMPS .
Refer to REMOVING LEFT AND RIGHT CHARGE AIR COOLER .
Refer to REMOVING THE ALTERNATOR .
Refer to REMOVING PRIMARY OXYGEN SENSOR FOR CYLINDERS 1 TO 4 .
Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
Refer to REPLACING HOLDER OF THE DME CONTROL UNIT FOR CYLINDERS 5 TO 8 .
Refer to REMOVING COOLANT EXPANSION TANK .
Refer to REMOVING EXPANSION TANK FOR THE CHARGE AIR COOLER .
Refer to LIFTING THE HEAT SHIELD AT THE SIDE .
Refer to REMOVING THE OXYGEN SENSOR MONITOR OF CYLINDER BANK 1 .
Refer to REMOVING THE OXYGEN SENSOR MONITOR OF CYLINDER BANK 2 .
Refer to REMOVING THE TANK VENTILATION LINE OF CYLINDER BANK 1 PARTIALLY .
Refer to REMOVING THE HOLDER WITH THE VEHICLE WIRING HARNESS FOR THE SENSOR SYSTEM OF CYLINDER BANK 1 .
Refer to REMOVING ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
Refer to REMOVING UPPER HEAT SHIELD .
Refer to REMOVING UPPER CATALYTIC CONVERTER NEAR ENGINE FROM CYLINDER BANK 1 .
Refer to REMOVING THE CATALYTIC CONVERTER NEAR THE ENGINE AT TOP OF CYLINDER BANK 2 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 2 .
Refer to REMOVING THE CLEAN AIR PIPE OF CYLINDER BANK 1 .
Refer to REMOVING LEFT MOUNT .
Refer to REMOVING RIGHT MOUNT .
Refer to REMOVING THE LEFT AND RIGHT 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.