Honda Bmw 5 Service Manual

Cylinder Head Removal and Installation I 
Remove cylinder head cover mounting studs  (arrows) from 
center  of cylinder head. 
- Remove  crankshaft loclting tool from transmission  bell hous- 
Ing. 
Lift primary chain and hold under tension, then  rotate engine 
at  vibration damper in opposite direction  of normal rotation 
(counterclocltwise)  approximately 30. 
CAUTION- 
By turning crankshait3O0, pistons are movedaway  from top 
dead  center,  to prevent possible  valve interference  to pistons...

11 3-38 
I Cylinder Head Removal and Installation 
< Turn eccentric shaft  of special  tool to pretension  intake cam- 
shaft bearing  caps. Remove nuts  on all intake  camshaft  bear- 
ing  caps. 
- Slowly  release tension  on eccentric shaft  and remove BMW 
spec~al tools.  Remove  bearing caps and  set as~de in order. 
Remove  camshaft and store  safely. 
- Repeat procedure for exhaust  camshaft. 
4 Secure hydraulic  lifters in lifter bores using  BMW speclal tool 
11 3 250, or remove lifters using...

. - -- - 
Cylinder Head Removal  and Installation -- 
Remove bolts  (arrows) holding timing chain  cover to cylinder 
head.  (Photo  shows camshafts  and camshaft  bearing caps in 
place). 
4 Using BMW special  tool 11 2 250 or equivalent,  loosen cylin- 
der  head  bolts in several  stages,  in sequence shown.  Discard 
head  bolts. 
NOJE- 
BMW special  tool 11 2 250 is a thin-walled  Torx El2 socket 
with an extended reach. The cylinder  head bolts are re- 
cessed into  the head below the 
camshaft...

11 3-40 
I Cylinder Head Removal  and Installation 
Lubricate  camshafts,  camshaft carriers, bearing caps, hy- 
draulic lifters,  friction washers,  splined shafts and spline  hubs 
with  assembly lubricant before installation. 
4 Check that two cylinder  head aligning  sleeves (arrows) are 
correctly  positioned  in block  and are not damaged. 
- Apply  elastic sealing compound  Three Bond 1209 8 to cor- 
ner  joints  on  cylinder block to timing chain cover. 
- Place  new cylinder  head gasket  on...

. - .. 
Cylinder Head Removal  and installation] -- 
- Secure cylinder head bolts  by torquing  an additional 90 
each  for Stage 2 and 3. 
Tightening torques 
Cylinder  head to engine  block 
(aluminum  block) 
Stage 
1 40  Nm  (30 it-lb) 
Stage 2 +90° 
Stage  3 80 
4 lnstall intake camshaft  position  sensor (arrow). 
4 Install lower secondary chain  guide. Tighten tom bolts to 
specifications.  The bolt on the intake camshaft  side is long 
and  extends  into the engine block. 
4 Install and tighten...

1 13-42 
I Cylinder Head Removal and Installation 
4 Before installing camshaft carriers, examine bearing points 
(arrows)  on hydraulic  lifter bores  for signs  of wear. 
4 Center camshaft carrier with  hydraulic lifters on pins (ar- 
rows)  at bearing positions 2 and 7. 
Note marks on carriers: (E) for intake side  and (A) for exhaust 
side. 
Lift  timing chain and put exhaust cam onto  exhaust camshaft 
carrier. Place intake  camshaft on camshaft  carrier.   

.- 
Cylinder Head Removal  and Installation 
4 Rotate  camshafts  until intake  and exhaust  lobes  for cylinder 
1 face  each  other  (arrows). 
CAUTION- 
Be sure  that cranlcshaft is stillpositioned  at least 30 away 
from 
TDC. 
- Place bearing  caps on cams,  but do not install  retaining nuts. 
4 Fit BMW special tool 11 3 260 (A) and 11 3 270 (B) to cylin- 
der head over  intake camshaft  and screw  long bolts  (arrows) 
into spark  plug threads. 
CAUTIOI\C 
Do not overtighten bolts  in spark plug...

11 3-44 
I Cylinder Head Removal and Installation 
4 Secure camshafts  in TDC position using BMW special tool 
set 
11 3 240. 
4 In  necessary,  turn camshaft slightly so that  special tools  are 
squarely  seated on cylinder  head. 
4 Lift timing  chain and hold  under tension.   

Cylinder Head Removal  and Installation 
4 While maintaining  tension on timing chain, rotate crankshaft 
at  vibration damper from 
30 before TDC in direction  of rota- 
tion  (clockwise) until number 
1 cylinder  is  at TDC position 
with  line between  the 
OIT (arrow) on front  pulley lined up 
with  boss  on lower timing chain  cover.   

1 13-46 
Cylinder  Head Removal and Installation 
Double 
VANOS Timing 
Chain Components 
1.  Impulse  wheel mounting  nut 
2.  Exhaust  camshaft impulse 
wheel 
3. Spring  plate, exhaust 
4.  Thrust  spacer (T 
= 3.5 mm) 
5. Splined  shaft 
6. Torx screw 
7. Exhaust camshaft secondary 
sprocket 
8.  Secondary  timing chain 
9.  Splined  sleeve 
10.  Primary  sprocket 
11.  Threaded  locating stud 
12.  Secondary  chain tensioner 
13.  Secondary  chain lower guide 
14.  Sprocket  mounting  nut 
15....