BMW 7 Series: Removing And Installing/Replacing Acoustic Cover (N63)

Remove acoustic cover (1) in following steps:

• Raise
• Remove in direction of travel

Installation: Insert acoustic cover (1) into existing rubber guides.

Fig. 18: Identifying Acoustic Cover

REMOVING AND INSTALLING/REPLACING ENGINE (N63)

Necessary preliminary work

• Move ENGINE COMPARTMENT LID into service position
• Drain COOLANT
• Disconnect battery positive lead from terminal
• Drain off AIR CONDITIONING SYSTEM
• Remove right SUSPENSION CROSS-BRACE
• Remove RADIATOR
• Remove both INTAKE SILENCER HOUSINGS
• Disconnect coolant hoses from engine
• Disconnect coolant hoses from charge air cooler
• Disconnect line from tank vent valve
• Detach power steering pump from holder
• Remove UNIVERSAL JOINT
• Remove GEARBOX

Fig. 19: Identifying Wiring Harness And Electronics Box

Release wiring harness (1) from electronics box (2) and secure on engine against falling off.

Release wiring harness from supplementary electronics box (1) and secure on engine against falling off.

Fig. 20: Identifying Supplementary Electronics Box

Slacken nut (1).

Remove battery earth lead (2).

Fig. 21: Identifying Slacken Nut And Battery Earth Lead

Unlock and detach vacuum line (1) from vacuum pump.

Fig. 22: Identifying Vacuum Line

Release screw (1).

Remove air conditioning line (2).

Fig. 23: Identifying Screw And Air Conditioning Line

Release and disconnect coolant hoses (1).

Illustration shows N57

Fig. 24: Identifying Coolant Hoses

Unfasten hose clip (1).

Release screw (2).

Press off oil line from oil reservoir to intake pipe section with special tool to prevent oil from escaping.

Installation note: Replace hose clamp.

Fig. 25: Identifying Oil Reservoir Hose Clip And Screw

Remove intake pipe section (1) in direction of arrow from holder (2).

Remove intake pipe in upward direction.

Fig. 26: Removing Intake Pipe Section In Direction Of Arrow From Holder

Unfasten hose clip (1).

Detach coolant hose from water valve.

Release hose clamp and detach coolant hose (2).

Fig. 27: Identifying Hose Clip And Coolant Hose

Unlock and disconnect fuel delivery line (1), seal off with special tool 13 5 160.

Seal off fuel delivery line (2) with special tool 13 5 162.

Fig. 28: Identifying Fuel Delivery Line

Release screw (1). Tightening torque 17 22 4AZ.

Detach oil lines from oil filter housing.

Catch and dispose of emerging oil.

Fig. 29: Identifying Oil Pipes Screw

Release screws (1) on ENGINE MOUNT on left and right.

Fig. 30: Identifying Screws On Engine Mount On Left And Right

IMPORTANT: Before lifting the engine, the lifting lugs must be checked for damage (cracks) and to ensure they are seated securely.

Suspend special tool from lifting eyes (1) at front and rear.

11 0 020 Lift out engine with special tool.

Fig. 31: Lifting Out Engine With Special Tool (11 0 020)

Mount engine on assembly stand.

Assemble engine.

Top up COOLANT and vent cooling system.

Check COOLING SYSTEM for leaks.

RISK OF INJURY IF OIL COMES INTO CONTACT WITH EYES AND SKIN

Danger of injury!

Contact with eyes or skin may result in injury!

Possible symptoms are:

• Impaired sight
• Irritation of the eyes
• Reddening of the skin
• Rough and cracked skin

Protective measures/rules of conduct

• Wear safety goggles
• Wear oil-resistant protective gloves
• Observe country-specific safety regulations

First aid measures

• Eye contact: Rinse eyes immediately with plenty of water for at least 15 minutes; if available, use an eye-rinsing bottle. If irritation of the eyes persists, consult a doctor.
• Skin contact: Wash off with soap and water immediately. If irritation persists, consult a doctor.

NOTE: Do not use solvents/thinners.

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