Remove the acoustic cover of the oil sump

Preliminary work 

• Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• 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 THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING THE BULKHEAD UPPER PART .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING THE IGNITION COIL .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
• Refer to REMOVING STAND FOR THE HOOD GASKET LEFT AND RIGHT .
• Refer to INSTALLING THE ENGINE BRIDGE .
• Refer to REMOVING THE FRONT LEFT AND RIGHT WHEELS .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
• Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
• Refer to REMOVING COVER ON THE EXHAUST SYSTEM .
• Refer to REMOVING REAR UNDERBODY PROTECTION .
• Refer to REMOVING THE COVER PANEL FOR THE FRONT AXLE LEFT AND RIGHT .
• Refer to DETACHING STEERING SHAFT AT BOTTOM FROM STEERING GEAR .
• Refer to RELEASING THE EPS WIRING HARNESS FROM THE ELECTROMECHANICAL STEERING GEAR .
• Refer to DETACHING THE LINE CONNECTION OF THE RIDE HEIGHT SENSOR .
• Refer to IF INSTALLED: DISCONNECT THE VACUUM LINE OF THE ENGINE MOUNTS .
• Refer to RELEASING THE ELECTRIC COOLANT PUMP AND COOLANT HOSES FROM THE FRONT AXLE SUPPORT .
• Refer to DETACHING THE ANTI-ROLL BAR LINK FROM THE ANTI-ROLL BAR ON THE RIGHT AND LEFT .
• Refer to RELEASING THE ENGINE SUPPORT BRACKETS ON THE LEFT AND RIGHT ENGINE MOUNTS .
• Refer to RAISING THE ENGINE WITH THE ENGINE BRIDGE .
• Refer to PREPARING THE SPECIAL TOOL .
• Refer to SUPPORT THE FRONT AXLE SUPPORT .
• Refer to DETACHING AND LOWERING THE FRONT AXLE SUPPORT .

Prerequisite 

Disconnect all negative battery cables.

• Unlock and loosen connector (1).
• Loosen nut (2).
• Guide the positive battery cable (3) out of the clamp (4) and lay to one side.

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• Unlock and loosen the clamps (1).
• Remove the wiring harness section of the automatic transmission (2) and place to one side.

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• Loosen the expanding rivet (1).

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• Loosen expanding rivet (1).
• Undo Christmas tree clip (2).

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• Loosen expanding rivet (1).

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• Loosen expanding rivet (1).
• Feed out the acoustic cover (2) toward the rear bottom and remove.

  Courtesy of BMW OF NORTH AMERICA, INC.