BMW X5: Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they arereleased.
The end faces of aluminum screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
- Read out fault memory of DME control unit
- Switch off ignition
NOTE: Installation location of pulse generator for crankshaft is underneath starter motor.
Preparatory tasks:
- Remove intake air manifold.
Detach plug (1) from crankshaft pulse generator (2).
Release screw.
Installation
Replace aluminum screws.
Tightening torque 12 14 2AZ.
Withdraw pulse generator (2) from crankcase.
Installation:
Replace sealing ring.
NOTE: Check stored fault messages. Now clear the fault memory.
Fig. 13: Locating Pulse Generator Plug
REPLACING INLET 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.
- Switch off ignition
- Remove If necessary, remove radiator cover
Unlock plug (1) and remove.
Release bolt.
Installation:
Replace screw.
Tightening torque 12 14 3AZ.
Remove pulse generator (2).
Fig. 14: Locating Pulse Generator Plug
NOTE: Check stored fault messages.
Now clear the fault memory.
READ NEXT:
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
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
SEE MORE:
Shelf
Note: With mounting material.
SI number: 0 01 00 (549)
Order number: 00 0 250
Shelf
Fig. 29: Identifying Shelf (00 0 250)
DRAWER BLOCK
Note: With 5 lockable drawers
SI number: 0 01 00 (549)
Order number: 00 0 260
Drawer block
Fig. 30: Identifying Drawer Block (00 0 260)
REAR PANEL (2 PCS.)
Note: F
Massage function
Principle
Depending on the program, the massage function
ensures relaxed muscles and better blood
circulation and can avoid fatigue.
General information
Eight different massage programs can be selected:
Hip activation.
Upper-body activation.
Whole body activation.
Back massage.
Shoulder massag
