BMW 7 Series: Removing And Installing/Replacing Oil Pump (N63)
Notes
IMPORTANT: All adjusting procedures on the chain drive must be observed.
A timing chain which is tensioned too tautly can cause noises in the chain drive.
A timing chain that is too slack can cause the timing chain to jump.
Risk of damage in oil pump drive.
Necessary preliminary work
- DRAIN ENGINE OIL.
- REMOVE UPPER OIL SUMP SECTION.
Unscrew nuts (2).
Tightening torque: 11 41 1AZ.
Remove intake pipe (1).
Installation note: Replace O-ring.
.png)
Fig. 400: Identifying Intake Pipe And Screws
Release all nuts (1) using special tool 11 7 201.
Tightening torque 11 41 5 AZ.
Remove oil pump drive gear.
NOTE: Illustration shows engine removed.
.png)
Fig. 401: Removing Nuts Using Special Tool 11 7 201
Unscrew nuts (1).
Release screws, remove oil pump (1) with aid of a second person.
Installation note: Replace screws.
Tightening torque 11 41 2AZ.
.png)
Fig. 402: Identifying Oil Pump And Nuts
Detach oil lines (1) upwards in direction of arrow.
.png)
Fig. 403: Detaching Oil Lines Upwards In Direction Of Arrow
Installation note: Replace sealing rings (1).
Apply light coat of oil to sealing ring (1).
Coat sealing ring (2) with suitable lubricant.
.png)
Fig. 404: Identifying Sealing Ring
Installation note: Replace O-ring (1) for oil feed line.
.png)
Fig. 405: Identifying O-Ring Of Oil Feed Line
Fit oil lines (1) in direction of arrow.
.png)
Fig. 406: Fitting Oil Lines In Direction Of Arrow
Installation note: If the oil pump is renewed, the oil deflector must be converted.
Release screws (1).
Tightening torque: 11 41 6 AZ.
Modify oil deflector (2).
.png)
Fig. 407: Identifying Oil Deflector And Screws
Fit special tool 11 8 920 on special tool 11 9 280.
.png)
Fig. 408: Fitting Special Tool 11 8 920 On Special Tool 11 9 280
IMPORTANT: Left-hand thread on oil pump screw connection.
Do not grip oil pump drive with a pair of pliers risk of damage.
.png)
Fig. 409: [Caution - Do Not Grip Oil Pump Drive With Pair Of Pliers Risk Of
Damage]
IMPORTANT: Nut (1) has left-hand thread.
Position special tool 11 8 920 on sprocket.
Slacken nut (1).
.png)
Fig. 410: Positioning Special Tool 11 8 920 On Sprocket
Installation note: Check mounting flats on pump shaft (1) for damage.
.png)
Fig. 411: Checking Mounting Flats On Pump Shaft For Damage
IMPORTANT: Nut (1) has left-hand thread.
Grip pump with assistance of a second person.
Secure nut (1) with special tool 00 9 120.
Tightening torque: 11 41 4
.png)
Fig. 412: Securing Nut With Special Tool 00 9 120
Join and secure nuts (1).
Tightening torque 11 41 2 AZ.
.png)
Fig. 413: Identifying Oil Pump And Nuts
Install oil pump drive gear.
Secure all nuts (1) with special tool 11 7 201.
Tightening torque 11 41 5 AZ.
.png)
Fig. 414: Tightening Nuts Using Special Tool 11 7 201
Adjust oil pump timing chain
Pretension oil pump adjusting sleeve (1) with a hexagon socket wrench.
Adjustment value 10 mm +2.
.png)
Fig. 415: Pretensioning Oil Pump Adjusting Sleeve With Hexagon Socket Wrench
Minimally preload timing chain (1) with special tool 51 0 342.
Read off measured value A on special tool 51 0 342 and note down.
IMPORTANT: Do not use force to preload timing chain (1).
.png)
Fig. 416: Measuring Value A On Special Tool 51 0 342
Using a screwdriver (1), preload timing chain to minimal extent in direction of arrow.
Read off measured value B on special tool 51 0 342 and note down.
IMPORTANT: Do not use force preload timing chain.
Measured value A minus measured value B results in the adjustment value.
Adjustment value 10 mm +2.
.png)
Fig. 417: Measuring Value B On Special Tool 51 0 342
Join and secure screw (2).
Tightening torque 11 41 2 AZ.
.png)
Fig. 418: Identifying Oil Pump And Nuts
Assemble engine.
READ NEXT:
Removing And Installing/Replacing Roller Chain For Oil Pump Drive
(N63)
Special tools required:
11 7 201
22 13 485
Necessary preliminary tasks:
Drain engine oil.
Remove flywheel.
Remove bottom of oil sump.
NOTE: Support bush (2) is included in delivery specificat
Oil Filter And Lines
OIL RETURN COVER
IMPORTANT: Risk of fire.
In the event of oil leakage in the Vee, the leakage oil may be ignited on hot
components.
Necessary preliminary work
Remove both exhaust turbochargers.
R
Water Pump With Drive
Removing And Installing/Renewing Coolant Pump (N63)
WARNING: Risk of scalding!
Only perform this work after engine has cooled down.
Recycling
Catch and dispose of drained coolant in a suitable collect
SEE MORE:
Fuses
General information
The fuses are located at different places in the
vehicle.
Safety information
Warning
Incorrect and repaired fuses can overload electrical
lines and components. There is a risk of
fire. Never attempt to repair a blown fuse. Do
not replace a nonworking fuse with a substitute
of ano
Parking Brake
ADJUSTING PARKING BRAKE
The parking brake test must be carried out on the dynamic brake analyzer as
follows.
Release position:
Wheel circumferential force right/left < or = 300 N.
Press parking brake button:
Car must be pulled uniformly out of brake roller or drive of brake
roller is dea
