11 00 050 Removing And Installing Engine (N52K)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 11 0 020 . See 00 0 020 SPECIAL TOOL BOARD II COMPLETE .
IMPORTANT:
Aluminum-magnesium materials. No
steel screws/bolts may be used due to the threat of electrochemical corrosion. A magnesium crankcase requires aluminum screws/bolts exclusively. Aluminum screws/bolts must be replaced each time they are released
. Aluminum screws/bolts are permitted with and without color coding (blue). For reliable identification: Aluminum 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 . See 51 00... SERVICE POSITION OF ENGINE HOOD/BONNET .
- Remove exhaust system. See 18 00 020 REMOVING AND INSTALLING/REPLACING COMPLETE EXHAUST SYSTEM (N52/N52K/N51) .
- Remove transmission. See 23 00 017 REMOVING AND INSTALLING TRANSMISSION (GS6-17BZ) N51/N52/N52K/N53 or 24 00 032 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (GA6L45R) .
- Drain engine oil. See 11 00... ENGINE OIL SERVICE (N52K) .
- Clamp off battery negative lead. See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
- Remove intake filter housing. See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING (N52/N52K/N53) .
- Remove fan cowl with electric fan. See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N52/ N52K/ N53) .
- Remove radiator. See 17 11 000 REMOVING AND INSTALLING RADIATOR (N43, N45, N46, N52, N52K, N53) .
- Remove water pump . See 11 51 000 REMOVING AND INSTALLING/REPLACING WATER PUMP (N52K) .
- Remove coolant thermostat. See 11 53 000 REMOVING AND INSTALLING/REPLACING COOLANT THERMOSTAT (N52K) .
- Detach all coolant hoses from engine.
- Remove left and right fresh air duct . See 51 13 115 REMOVING AND INSTALLING/REPLACING COWL PANEL COVER .
- Remove microfilter housing. See 64 31 092 REMOVING AND INSTALLING/REPLACING MICROFILTER HOUSING (LOWER SECTION) .
- Remove intake air manifold. See 11 61 050 REMOVING AND INSTALLING AIR INTAKE MANIFOLD (N52K) .
- Detach vacuum line from brake booster. See 34 33 071 REPLACING VACUUM HOSE FOR BRAKE BOOSTER (N52 ON BRAKE BOOSTER) .
- Unfasten ignition wiring harness and lay to one side. See 12 51 100 REPLACING WIRING HARNESS SECTION FOR IGNITION COIL (N52K, N51) .
- Unfasten engine wiring harness and lay to one side. See 12 51 001 REPLACING WIRING HARNESS SECTION FOR ENGINE (N52K, N51) .
- Remove fuel injector rail and place to one side. See 13 53 240 REPLACING COMPLETE INJECTION PIPE (N52/N52K) .
Release air-conditioning compressor (1) and set down on front axle carrier. See Fig 1.
NOTE:
E60/E61 only.
Release power steering pump (1) and set down on front axle carrier. See Fig 2.
NOTE:
Do not disconnect hydraulic lines.
NOTE:
For vehicles with optional equipment SA229 (Dynamic Drive), bracket must be released.
Screw towing eye (1) into cylinder head.
Tightening torque. See 11 12 9AZ in CYLINDER HEAD WITH COVER .
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.
NOTE:
For vehicles with optional equipment SA205 (automatic transmission), engine must be raised approx. 10 cm.
Release bolts (1).
Remove lines (2) with oil-water heat exchanger in direction of arrow.
Assemble engine.
Check function of DME.