Special tools required:
IMPORTANT: Aluminium screws/bolts must be replaced each time they are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
Bolt engine or engine block with steel bolts (1) and aluminium bolts (2) to special tool 11 4 440.
To release central bolt, bolt on special tools 11 9 261 and 11 9 265 as well.
Mount engine with special tool 11 3 370 to special tool 00 1 450.
Fig. 17: Engine Block With Steel And Aluminium Bolts
BMW ENGINE OIL SERVICE INCL. SUPPLEMENTARY SERVICE (N52K)
Special tools required:
The FRU item 00 00 250 comprises the BMW engine oil service incl. supplementary service.
Only the engine oil service will be described in these repair instructions.
The supplementary service is made up of the following operations which must be taken from the relevant repair instructions:
IMPORTANT: Adhere to exact filling quantities.
Overfilling the engine with engine oil will result in engine damage.
Checking and drip-off times must be observed.
IMPORTANT: When working on the engine oil, coolant or fuel circuit, you must always protect the alternator against contamination.
Risk of damage!
The alternator must therefore be covered with suitable apparatus.
Recycling:
Catch and dispose of drained engine oil in a suitable container.
Observe country-specific waste-disposal regulations.
NOTE: Adhere to the following work steps in sequence:
NOTE: Picture shows the E93 by way of example. Other model series may differ in certain details.
Release oil filter cap with special tool 11 9 240.
Engine oil flows out of the oil filter housing and back into the oil sump.
Fig. 18: Special Tool (11 9 240)
Remove and insert oil filter element (1) in direction of arrow.
Installation:
Replace oil filter element (1) and sealing rings (2).
Installation:
Moisten sealing rings (2) with engine oil.
Tightening torque: 11 42 1AZ.
Fig. 19: Sealing Rings
NOTE: For purposes of clarity, the picture shows the assembly underside protection and reinforcement plate removed.
Unclip service opening on reinforcement plate.
Open screw plug (1) in oil sump.
Drain engine oil.
Installation:
Replace sealing ring.
Tightening torque: 11 13 1AZ.
Pour in engine oil.
Fig. 20: Screw Plug
NOTE: Start engine and run at idle until oil pressure warning lamp goes out.
Turn off engine.
Check oil filter cap and screw plug (1) on oil sump for leaks.
Assemble engine.
Checking engine oil level:
REMOVING AND INSTALLING/REPLACING IGNITION COIL COVER (N52K)
Release screws.
Tightening torque: 11 12 6AZ.
Remove ignition coil cover (1).
Fig. 21: Ignition Coil Cover