Honda Bmw 5 Service Manual

Engine Removal and lnstallationl 
M52 TU, M54 engine:  Disconnect electrical harness connec- 
tor at fuel  tank venting  valve 
(A). Disconnect  vent hose  at fit- 
ting  (arrow). 
- Working under intake manifold, disconnect  the following: 
Engine oil  dipstick tube support. 
Oil separator return line  from 
dipsticlc tube. 
Intake air temperature sensorelectrical harness  connector 
(underside  of intake manifold near throttle  body). 
M52 TU, M54 engine: Resonance  valve electrical harness...

.- 
-6val and Installation - 
< Remove  intake manifold mounting hardware (arrows). 
NOTE- 
M52 TU engine shown. M52 and M54 engines  are similar. 
Liit up manifold just enough  to remove  positive  cables from 
starter  motor terminal 
50 (arrow). 
- Remove  intake manifold  from cylinder head  while carefully 
checking  for electrical  connections,  tie wraps,  and hoses. 
CAUTION- 
Stuff  clean rags into  open intake ports to prevent  any parts 
from falling  into the engine  intake. 
4 Remove...

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...

110-12 
Engine Removal  and Installation 
4 Remove  hoses from thermostat housing  by releasing locks 
(arrows). If applicable,  detach electrical harness connector 
for  thermostat  housing. 
NOTE- 
Two different  types of hose  fasteners  are used  on the E39 
car;  lock clamp  type as shown above  or standard  band 
clamps. 
- On  vehicles equipped with mechanical cooling  fan: Remove 
belt-driven cooling  fan and  radiator as  described in 
170 Ra- 
diator  and Cooling 
System. 
CAUTION- 
32 mm...

Engine Removal  and Installation 
4 Working at E-box  at right rear  of engine compartment: 
Disconnect  engine electrical  harness connectors 
(arrows). 
Lift off harness looms and lay over engine. 
- Remove  polyribbed  drive belts. Mark direction  of rotation if 
belts will  be reused. See 020 Maintenance. 
- Remove exhaust system and transmission from  car. See 180 
Exhaust System, 230 Manual Transmission or 240 Auto- 
matic Transmission. 
NOJE- 
Detach  automatic  transmission  cooler lines from...

110-14 
I Engine Removal and Installation 
4 M52 TU, M54 engine: Separate oxygen sensor electrical har- 
ness  connectors 
(arrows) and mounting clip (A) on right  side 
of  engine. 
CA UTIOW 
Be  sure to mark oxygen sensor connectors  so that  they  can 
be  assembled correctly  Do not interchange  connectors. 
4 Remove chassis ground  strap (arrow) at right engine rnount- 
ing  pedestal. 
4 Install an  engine lifting device (BMW 11 0 000 or equivalent) 
to  the  front  and rear engine  supports and...

110-15 
Engine Removal  and lnstallation 
- Installation is  reverse of removal,  noting the following: 
Replace all  gaskets. O-rings and seals. 
Use  new fuel  injector seals 
Check  that engine drive  belts properly engage  pulley 
grooves. 
Inspect  O-ring seal between mass air  flow sensor and air 
filter housing.  To facilitate  reassembly,  coat seal with acid- 
free  grease. 
Change engine oil  and filter  and 
check all other fluid levels. 
See 
020 Maintenance. 
Refill  and bleed  cooling...

110-16 
Engine Removal and Installation 
ENGINE, REMOVAL AND 
INSTALLATION (V-8 MODELS) 
NOTE- 
Engine removal  procedures  are similar for all V-8 models. 
When differences  exist, they are noted  at the  beginning of 
each step. Engine  are referred to  by engine code.  If neces- 
sary,  See 
100 Engine-General  for engine code andappli- 
cation information. 
Be  sure  to cover  all painted  surfaces before  beginning the 
removal  procedure.  As an aid  to installation,  label all com- 
ponents,...

- .. -. 
-. Engine Removal and in=/ 
4 Remove left interior ventilation  duct: 
Release  duct locking tabs  (A). Early models: release 
loclc 
ing strap. 
* Rotate duct  inward (arrow)  to detach. 
Release spring 
loclc (El)  to unlock ventilation housing. 
Disconnect electrical  harness connector from  hood switch 
(C). 
Release locking clip  and remove ventilation filter cover (D). 
Slide air  housing away from  inner fender to  remove. 
Removal 
of right  side ventilation duct is similar. 
4 Remove...

I Engine Removal and Installation 
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- 
--- 
Working  at  rear of intake manifold: 
Disconnect  brake  booster  vacuum line (A). 
Disconnect  fuel  tank vent line 
(6). 
Disconnect  hoses  (C and D) at coolant  manifold 
- Remove  transmission...