2001 BMW 540i lock

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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 is located on the driv-
er's side.
WARNING-
Allow enqine to cool before beqinninq this procedure. 1
- Disconnect negative (-) cable from battery.
CAUTION-
Prior to disconnecting the battery, read the battery discon-
nection cautions
in 001 General Cautions and Warnings.
- Dra~n coolant. See 170 Radiator and Cooling System.
Remove plastic engine covers:
Press down on locking pins (arrows) and remove top
cover.
Pry out
trlm caps (A) from covers.
Remove fasteners from beneath
trlm caps and remove
side covers.
4 Remove left and right interior ventilation filter housing (lefl
side shown):
Release locking tabs
(A) or locking strap (early models,
not shown).
Rotate duct inward (arrow) to disconnect.
- Release spring lock (6) to unloclc ventilation housing.
Disconnect electrical harness from hood switch
(C).
Release locking clip and remove ventilation filter cover (0).
Remove filter housing.
Removal of right side ventilation duct is similar.

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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 (arrows) and remove oil lines from
left and right cylinder heads.

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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
housing.
- Detach dipsticlc tube from upper right timing cover,

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..
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).
4 Compress secondary chain tensioners and lock (arrows)
using BMW special tool 11 3 310 or a stiff wire.

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- -.
Cylinder Head and valvetrain1
Install exhaust camshaft bolts (arrows) finger tight.
Remove secondary timing chain tensioner
loclting tool.
< Fit secondary sprockets and chain to camshafts on left cylin-
der head. Center slots in sprocltets to threaded bores in end
of camshafts
(arrows).
Insert exhaust camshaft bolts (arrows) finger tight in exhaust
camshaft on left cylinder head.
Remove secondary timing chain tensioner locking tools from
chain tensioners.

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ICylinder Head and Valvetrain -.
Rotate engine clockwise (arrow) from 45" before TDC to
TDC position.
Secure crankshaft in
TDC position with BMW special tool
11 2 300.
4 Fit sprocket with primary chain to intaite camshaft on right
cylinder head:
Press timing chain tensioner rail against timing chain
(white arrow) to check that fastener holes are centered in
sprocket slots (black arrows) when slack is removed from
timing chain.
If necessary, remove sprocket and reposition.
Fit sprocket with chain to intake camshaft
5-8 with long bores aligned centrally.
Install bolts (arrows) and finger tighten cylinder
head

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Cylinder Head and valvetrain'
Fit sensor gear with mark (arrow) pointing upwards. Install
bolts and finger tighten.
4 Attach BMW special tool 11 7 380 to right cylinder head in
place of upper timing case cover.
Install BMW special tool
11 3 390 into 11 7 380.
Using BMW special tool 00 9 250, tighten adjustable ten-
sioner screw on
11 3 390 to 0.7 Nm (6.3 in-lb).
- T~ghten camshaft sprocket bolts in the following order:
1. Exhaust camshaft, left head.
2. Exhaust camshaft, right head.
3. Intake camshaft, left head.
4. Intake camshaft, right head.
Tightening torques Sprocket
to camshaft flange 15 Nm (I 1 ft-lb)
- Remove camshaft locking tools from both cylinder heads.
- Remove crankshaft locking tool.
4 lnstall oil lines to left and right cylinder heads.
- Remove adjustable timing chain tensioner tool and setup
block from right cylinder head.

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1 17-3
Camshaft Timing Chain
4 Crankshaft seal installation bushing, V-8
(Tool No. BMW 11 1 220)
4 Upper timing cover Installation tool, V-8
(Tool No. BMW 11
1 41 11412)
4 Crankshaft hub locking tools (6-cylinder engine with 2 piece
vibration dampener) (Tool No. BMW
11 2 150 11 1 2 410)
4 Cranltshaft loclting tool
(Tool No. BMW
11 2 300)
I I 4 Seal extractor tool set
(Tool No. BMW 11 2 380)