11 00 050 Removing and installing engine (N51)
- 11 0 020
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released .
Aluminium screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic .
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
- Lift engine hood into assembly position.
- Remove exhaust system.
- Remove transmission.
- Drain engine oil.
- Disconnect negative battery lead.
- Remove air cleaner housing.
- Remove fan cowl with electric fan.
- Remove radiator.
- Remove Water Pump.
- Remove Thermostat.
- Detach all coolant hoses from engine.
- Remove left and right Fresh Air Duct.
- Remove intake air manifold.
- Detach vacuum line from brake booster.
- Unfasten ignition wiring harness and lay to one side.
- Unfasten engine wiring harness and lay to one side.
- Remove fuel injector rail and place to one side.
Release A/C compressor (1) and set down on front axle carrier.
Do not disconnect A/C lines.
Do not disconnect coolant pipe from crankcase.
Release power steering pump (1) and set down on front axle carrier.
If Dynamic Drive optional extra is fitted, release bracket.
Screw in towing hook (1).
Suspend special tool 11 0 020 from engine crane.
Suspend special tool 11 0 020 from the designated mounting eyelets (2) only.
Lift engine out with engine crane.
Release screws (1).
Remove lines (2) with oil-water heat exchanger in direction of arrow.
Assemble engine.
Check function of DME.