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11 7-66
I Camshaft Timing Chain
4 install cylinder head cover:
Check for correct seating of half-moon seals
(A) in back of
cylinder head cover.
Use a small amount of Three Bond
1209 8 or equivalent
sealant at corners
(B) of half-moon cutouts. Seal corners
in front of cylinder head at VANOS control unit.
Tightening torque
Cylinder head cover to cylinder head
10 Nm (89 in-lb)
- Remainder of reassembly is reverse of removal, noting the
following:
Secure all coolant hoses, thermostat housing, engine cool-
ant drains.
Install new engine oil filter and oil. See
119 Lubrication
System.
Refill and bleed cooling system as described in
170 Radi-
ator and Cooling system.
Use scan tool to check VANOS operation with engine
idling.
Tightening torques Coolant drain plug to cylinder block
25 Nm (18 ft-lb)
Radiator cooling fan (viscous clutch)
to coolant pump
40 Nm (30 ft-lb)
Radiator drain screw to radrator 2.5 Nm (22 in-lb)
Vibration damper hub to crankshaft 41 0 Nm
(300 ft-ib)
TIMING CHAIN
(M62 ENGINE TO 911998)
Timing chains, removing
(M62 engine to 911 998)
Camshaft timing chain removal requires that the engine oil
pan be removed.
Special
BMW service tools are needed for timing chain re-
moval and installation procedures. The special tools assure
propertiming of thevaivetrain. Precise marks to set the timing
on the camshafts are not provided for reassembly. Read the
procedures through before beginning the job.
CAUTION-
Special BMW service tools are needed for this procedure.
Read the procedure through before beginning the job. If the
camshafts are notproperly timed, the pistons can contact the
valves.
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WARNING
Your common sense, good
judgement, and general alertness are
crucial to saie and
successiul sewice
work. Beiore attempting any work on
your BMW be sure to read 001
General Warnings and Cautions
and the copyright page
a1 the iront of
the manual. Review tliese warnings
and cautions each time you prepare
to work on your
BMW. Please also
read any warnings and
cautions that
accompany the procedures in the
manual.
Towing 010-20
Traction control
see Brakes, ABS, ASC or DSC
system
Traction strut
see Rear suspension, suspension
arms
Transmission fluid
200-4
see Maintenance
see also Automatic transmission
see also Manuai transmission
Transmission
fluid heat exchanger
see Cooling system
Transmission input shaft oil seat
see Manual transmission
Transmission lubricant
200-4 see also Automatic transmission
see also Manual
lransmission
Transmission output shafl oil seal
see Manual transmission
Transmission pilot bearing
replacing 210-16
Transmission service see Manual transmission, oil seals
Trim, interior
see interior trim
see also Steering, steering column
trim
Trunk lid
412-2 soft close (SCA) 515-13
see also Trunkltailgale loci(
see also Central iocl
TrunWtailgate lock
tailgate loci( emergency release
400-5, 515-21 tailgatelrear window locl(ing 515-14
trunk lock 51 5-1 9
lrey positions 515-7
Turn signai assembly
see Switches
see also Lights
UIS see Interior protection
U-joint
see Driveshaft
Upholstery see Maintenance, leather upholstery
and trim Vacuum
booster
see Brakes
Valve guides
see Cylinder
head and valvetrain
Valve seals
see Cylinder head and valvetrain
Valve seats
see Cylinder head and valvetrain
Valves see Cylinder head and
vaivelrain
Valvetrain see Cylinder head and valvetrain
VANOS control unit,
removinglinstalling
M52 engine 117-14
M52 TU i M54 engine 117-36 double VANOS
function
117-34 timing chain service 113-46. 116-28
timing, adjusting
M52 engine 117-22
M52 TU l M54 engine 117-43
Vehicle identification number (VIN)
010-12
Ventilation microfilter
see
AIC
see also Maintenance
Viscous clutch see Cooling
system, cooling tan
Voitage and polarity
600-5
Voltage tests
see Electrical system, troubleshooting
