Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSBMW2011550XI 4.4, N63REPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEM - REPAIRINTAKE SILENCER13 71... REMOVING ACOUSTIC COVERS (N57 D30 O/T 1)

2011 BMW 550xi 4.4, N63

13 71... Removing acoustic covers (N57 D30 O/T 1)

2011 BMW 550xi 4.4, N63SECTION 13 71... Removing acoustic covers (N57 D30 O/T 1)

Necessary preliminary work:

Only if rear acoustic cover needs to removed:
Remove INTAKE SILENCER HOUSING .

Remove ACOUSTIC INSULATION for bulkhead, center.
Only if front acoustic cover needs to removed:
Remove FAN COWL .
Only if bottom acoustic cover needs to removed:
Remove front UNDERBODY PROTECTION .

Only F12 and all-wheel drive vehicles:

Remove STIFFENING PLATE
Only if acoustic cover on oil sump needs to removed:
Lower front axle support . See 31 11 506 LOWERING/RAISING FRONT AXLE SUPPORT (UNIVERSAL LIFTER) or 31 11 506 LOWERING/RAISING FRONT AXLE SUPPORT (ALL-WHEEL DRIVE VEHICLE) .

Remove rear acoustic cover:

Release positive battery cable (1) from clamps.

Release expanding rivets (2).

Remove rear acoustic cover (3).

Fig 1: Identifying Acoustic Cover, Positive Battery Cable And Rivets

Courtesy of BMW OF NORTH AMERICA, INC.

Remove front acoustic cover:

Release screws (1).

Remove front acoustic cover (2).

Fig 2: Identifying Acoustic Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove bottom acoustic cover:

Release screws (1).

Remove bottom acoustic cover (2).

Fig 3: Identifying Acoustic Cover Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove front acoustic cover on oil sump:

Release positive battery cable from clamp (1).

Unfasten screws (2).

Feed out front acoustic cover (3) on oil sump to the rear and remove.

Fig 4: Identifying Acoustic Cover Screws And Positive Battery Cable Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.