11 00 050 Removing And Installing Engine (N62)

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, refer to ENGINE - SPECIAL TOOLS - 645CI .

Special Tools Required:

11 0 020

Necessary Preliminary Tasks:

Disconnect battery negative lead. Refer to 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Lift engine hood into assembly position. Refer to 51 00 ... SERVICE POSITION OF ENGINE HOOD .
Remove radiator design cover.
Remove air cleaner housing. Refer to 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING .
Remove tension strut. Refer to 51 71 373 REMOVING AND INSTALLING/REPLACING TENSION STRUT ON SPRING STRUT DOME .
Remove fresh air duct. Refer to 64 31 053 REMOVING AND INSTALLING OR REPLACING FRESH AIR DUCT .
Detach steering spindle from steering gear.
Release engine wiring harness from electronics box.
Drain coolant.
Remove coolant expansion tank.
Remove radiator.
Remove A/C compressor drive belt.
Remove alternator drive belt. Refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (N62/N62TU) .
Disconnect fuel line.
Remove front/middle underbody protection.
Remove reinforcement plate.
Remove all lambda oxygen sensors.
Remove exhaust system.
Remove transmission.

NOTE: Do not detach oil lines from automatic transmission to heat exchanger at oil sum.

IMPORTANT: Risk of damage to oil lines on steering gear.

Secure starter motor (1) with transmission screw (2) against falling out.

Fig 1: Securing Starter Motor With Transmission Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Detach oil line (1) at screw connection (2).

Set oil line (1) down in engine compartment at front and secure against falling out.

Fig 2: Detaching Oil Line At Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release power steering pump (1).

Secure against falling out by applying a cable tie (2) to stabilizer bar (3).

Fig 3: Applying Cable Tie To Stabilizer Bar

Courtesy of BMW OF NORTH AMERICA, INC.

Release A/C compressor (1).

NOTE: Secure all connecting leads with cable ties (3) against falling down.

Fig 4: Securing Connecting Leads With Cable Ties

Courtesy of BMW OF NORTH AMERICA, INC.

Release and disconnect coolant hoses (1).

Unlock heater hose (2) and detach in direction of arrow.

Fig 5: Removing Heater Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Plug-in connections of coolant hoses are correctly fitted when they snap into place with a clearly audible click.

Unlock coolant hose (1) on auxiliary water pump and detach in direction of arrow.

Fig 6: Unlocking Coolant Hose On Auxiliary Water Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Remove auxiliary water pump.

Unlock hose (1) and detach from secondary air pump.

Secure automatic transmission heat exchanger (2) with cable tie (3) against falling down.

NOTE: Engine removed for purposes of clarity.

Fig 7: Securing A/T Heat Exchanger With Cable Tie

Courtesy of BMW OF NORTH AMERICA, INC.

Secure engine wiring harness (2) with cable tie (3) on suction bridge against falling out.

Mount special tool 11 0 020 on engine.

Fig 8: Mounting Special Tool 11 0 020 On Engine

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) on left and right engine brackets.

Unfasten ground strap (2).

Fig 9: Releasing Nut (1) On Left And Right Engine Brackets And Unfastening Ground Strap (2)

Courtesy of BMW OF NORTH AMERICA, INC.

Remove engine.

Assemble engine.

Vent cooling system and check for leaks. Refer to 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS .

Installation:

Risk of damage to automatic fluid lines and servo fluid lines.