BMW X5: Replacing Pulse Generator On Inlet Camshaft (N52K)
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
Necessary preliminary tasks:
- Read out fault memory of DME control unit; if necessary, work through test schedules
- Switch off ignition
Lever out expansion rivets (1).
Press lock (2) and raise intake duct (3).
Detach intake duct (3) from air filter housing and remove.
Fig. 15: Locating Ignition Coil Covers Screws And Holder
Unclip Bowden cable for engine bonnet/hood actuator from transverse reinforcement (1).
Release screws on left and right sides. Tightening torque 51 71 4AZ.
Remove cross-brace (1).
Fig. 16: Identifying Plug Connector
Installation:
Replace screw.
Tightening torque 12 14 3AZ.
Remove pulse generator (2).
Fig. 17: Locating Pulse Generator And Screw
NOTE: Check stored fault messages.
Now clear the fault memory.
REPLACING EXHAUST CAMSHAFT PULSE GENERATOR (N52, N52K, N51, N53)
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
Necessary preliminary tasks:
- Read out fault memory of DME control unit; if necessary, work through test schedules
- If necessary, remove radiator cover
Unlock plug (1) and remove. Release bolt.
Release bolt.
Fig. 18: Locating Ignition Coil Covers Screws And Holder
Installation:
Fig. 19: Identifying Plug Connector
Replace screw.
Tightening torque 12 14 4AZ. Remove pulse generator (2).
Fig. 20: Locating Pulse Generator
NOTE: Check stored fault messages.
Now clear the fault memory.
REPLACING PULSE GENERATOR ON EXHAUST CAMSHAFT (N52K)
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
Necessary preliminary tasks:
- Read out fault memory of DME control unit.
- Switch off ignition
Lever out expansion rivets (1).
Press lock (2) and raise intake duct (3).
Detach intake duct (3) from air filter housing and remove.
Fig. 21: Locating Ignition Coil Covers Screws And Holder
Installation:
Fig. 22: Identifying Plug Connector
Replace screw.
Tightening torque 12 14 4AZ. Remove pulse generator (2).
Fig. 23: Locating Pulse Generator
NOTE: Check stored fault messages.
Now clear the fault memory.
READ NEXT:
Replacing Control Unit (DME)
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Switch off ignition
Disconnect battery negative lead.
Remove microf
Alternator With Drive
REPLACING ALTERNATOR BELT PULLEY
Special tools required:
12 7 110.
Remove and install alternator drive belt.
Depending on alternator type, grip shaft with:
hexagon socket
multi-tooth socket or
Regulator
REPLACING VOLTAGE REGULATOR
Necessary preliminary tasks:
Switch off ignition.
Disconnect battery negative lead.
Notes on removing and installing electronic control units.
Remove alternator.
Bo
SEE MORE:
Ignition Management
Most of the ignition system components have remained the same for all NG6
engines for 2007. There are some
minor changes to the ignition coils that apply to all versions. The coils have
been optimized for more durability.
Spark Plugs
The spark plugs for the N51 and N52KP remain the same as N52. Ho
Replacing Radial Seal For Drive Flange Of Front Differential
Special tools required:
23 0 020
31 5 130
33 1 150
Necessary preliminary tasks:
Remove reinforcement plate.
Mark position of nut with respect to shaft with punch marks (arrow).
Lever out lockplate (1) with a suitable tool.
Fig. 107: Locating Lockplate
IMPORTANT: Risk of damage!
Do not plac
