BMW 5251 Service Manual page 83

Engine Removal and installatid
4
Remove cylinder head top cover:
Remove plastic trim caps (arrows).
Remove cover retaining fasteners and lifl off cover.
-
Remove alternator cooling tube.
4
Drain engine coolant and remove coolant hoses:
* Remove expansion tank cap on coolant reservoir.
Place a 3 gallon pail beneath engine to capture coolant,
* Remove coolant drain plug located on exhaust side of
cylinder 2 of engine block (arrow).
NOTE-
Drain plug for M52 TU and M54 engine shown. Plug for M52
located between cylinders 4 and 5.
Drain radiator by removing plastic drain plug (arrow) from
bottom of radiator.
WARNING-
Use extreme caution when draining and disposing of engine
coolant Coolant is poisonous andlethal to humans andpets.
Pets are attracted to coolant because of its sweet smell and
taste. Seek medical attention immediately if coolant is ingest-
ed.
NOTE-
Catch and dispose of drained coolant according to local,
state, and federal laws.