Honda Bmw 5 Service Manual

. . 
Cylinder Head and Valvetrain 
Install exhaust  camshaft impulse wheel, aligning pointer (B) 
with top edge of cylinder  head (A). Install mounting  nuts (ar- 
rows) finger tight. 
4 Pull out exhaust camshaft splined shaft to  stop. 
- Press down on secondary  chain tensioner  and remove ten- 
sioner  lock-down tool. 
Preload primary  chain: 
- Tighten  adjusting screw  on BMW special tool 11 4 220 to 
specified torque. 
Tightening torque  Primary chain tensioner preload 
0.7 Nm (6 in-lb)   

1 16-36 
I Cylinder Head and Valvetrain 
4 Preload  exhaust camshaft spring  plate  by pressing on im- 
pulse wheel  while tightening  mounting nuts  (arrows) 
fingel 
tight. 
4 Install BMW special tool 11 6 150 (VANOS setup bracket)  to 
front  of cylinder  head timing case. Install  nuts (arrows)  finger 
tight,  then tighten  down uniformly until special tool  is in full 
contact with cylinder  head. 
CAUTION-- 
Male  sure aNgas1ef material Is removed  from face of cyiin- 
der head.  Clean sealing...

- 
. - - -- Cylinder Head and valvetrain] 
Turn engine  over twice  in direction  of rotation  until cylinder 1 
intake  and exhaust  camshaft  lobes (arrows)  face each  other. 
- Lock crankshaft  in TDC  position  with BMW special tool 
11 2 300. 
4 Place BMW special  tool  set 11 3 240 over  camshafts  and 
measure clearances. 
NOTE- 
@ If  the exhaust  side of the tool  (A) is not flush with  the head, 
camshaft  timing is incorrect.  Reset camshaft timing as  de- 
scribed  in 11 
7 Camshaft  Timing...

I Cylinder Head and Valvetrain 
- Remove adjustable primary timing chain tensioner tool  and 
reinstall  primary chain tensioner  cylinder to  cylinder head. 
Tightening  torque 
Primary chain tensioner  cylinder 
to 70 Nm (52 ft-lb) 
cylinder  head 
- Remove flywheel locking  tool from  crankcase.  Replace spe- 
cial tool  bore sealing  plug. 
- Remove camshaft locking  tools from cylinder  head 
Install intake camshaft  cover and cylinder  head cover. 
Check for correct seating  of half-moon seals (A)...

Cylinder Head and valvetrain1 
Camshaft removal and installation 
(M62 engine) 
Camshafts, removing (M62 engine) 
Special 
BMW service tools should always  be used to remove 
and  install  the camshafts. Removal  of the  camshafts without 
the  special tools  can result  in personal injury and  lor cylinder 
head  damage. 
NOTE- 
Cylinder  bank 1-4 is referred  to as  the  right  cylinder bank 
and is  located  on the  passenger  side.  Cylinder bank 5-8 is 
referred  to as  the  left cylinder  bank and...

-. . 
Cylinder Head and Valvetrain -- v . -- --- -- 
4 Remove air filter  housing and ducts: 
Loosen hose  clamps as necessary and disconnect electri- 
cal  harnesses. 
- Remove air filter  housing mounting  fastener (arrow). 
Loosen hose clamp at throttle body. 
Remove  air filter  housing  with  mass air  flow sensor and 
duct. 
Disconnect  the following electrical  harness connectors. 
Knoclc sensors (A). 
Thermostat housing (B). 
Throttle  position sensor/throttle position switch and idle 
valve...

Cylinder Head and Valvetrain 
< Disconnect fuel injector  electrical connectors from injectors. 
Pry  corner  of wire lock clip  (arrow) on first  injector. 
* Repeat  for all injectors. 
Lift  wiring  ducts off  and set aside. 
4 Remove right  and left side ignition coil  mounting nuts (ar- 
rows)  and coils. 
NOTE- 
Male note  of location  for ground  straps (arrow A). 
- Remove spark plugs. 
- Disconnect positive  (+)jumper junction from top of lefl cylin- 
der  head  cover. 
4 Remove retaining nuts...

11 6-42 
/ Cvlinder Head and Valvetrain 
4 Using  crankshaft  center bolt,  rotate engine clockwise one 
complete  rotation until the  first cylinder  is  at TDC. 
4 Confirm  TDC position. Lobes  of camshafts for cylinder  head 
1-4 (passengers side) should  point  up (arrows). 
4 Remove timing chain  tensioner (arrow) from right side  upper 
timing chain cover. 
- Remove secondary air injection pipes  in front  of upper timing 
chain  covers. 
- Remove left  and right coolant  hoses from  coolant pump...

Cylinder Head and valvetrain1 
4 Remove camshaft position sensor (A) from timing chain cov- 
er.  Remove bolts 
(arrows) from timing chain covers  and re- 
move  covers from  right and left cylinder  heads. 
4 Counterhold  intalte carnshaft  on right cylinder  head 
4 Counterhold right intalte camshaft and remove sprocltet 
mounting  bolts 
(arrows) from  right cylinder head. 
Remove carnshaft  impulse wheel and primary  chain 
sprocket. 
- Slide primary  timing chain off sprocltet and suspend chain...

.. 
ICylinder Head and Valvetrain -.I 
4 Counterhold left intake camshaft  and remove sprocket 
mounting  bolts 
(arrows) from left cylinder  head. 
Remove  primary chain  sprocket. 
Slide  primary  timing chain off sprocket  and 
supend timing 
chain  with stiff wire  to prevent  it from dropping  into lower 
timing chain  cover. 
4 Using cranltshaft center  bolt, rotate engine counterclockwise 
to 
45 before TDC position. 45 V.OT mark on  pulley will 
align  with  boss  cast on engine block 
(arrow)....