BMW X5: Removing And Installing/Replacing Servomotor For Left Eccentric Shaft (N62/N62TU)
REMOVING AND INSTALLING/REPLACING SERVOMOTOR FOR LEFT ECCENTRIC SHAFT (N62/N62TU)
IMPORTANT: Follow instructions issued by diagnosis tester.
Risk of damage to intermediate shaft.
(cylinder bank 5 to 8)
Necessary preliminary tasks:
- Connect diagnosis tester.
- Unfasten acoustic cover screws. Raise acoustic cover and remove towards front.
- Remove ignition coil cover
IMPORTANT: Follow instructions issued by diagnosis tester.
Unlock plug (1) on servomotor (2) and disconnect.
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Fig. 696: Identifying Plug On Servomotor
Unfasten screws.
Rotate servomotor (2) until no longer engaged in spline teeth of eccentric shaft.
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Fig. 697: Rotating Servomotor
Installation:
Replace sealing ring on spacer.
Install servomotor (1) and screw in up to spacer.
Rotate servomotor (1) into correct installation position.
Install and tighten down screws.
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Fig. 698: Rotating Servomotor Into Correct Installation Position
Installation:
Read out fault memory of control unit of Digital Motor Electronics (DME).
Check stored fault messages.
Rectify faults.
Now clear the fault memory.
REMOVING AND INSTALLING/REPLACING SERVOMOTOR FOR RIGHT ECCENTRIC SHAFT (N62/N62TU)
IMPORTANT: Follow instructions issued by diagnosis tester.
Risk of damage to intermediate shaft.
(cylinder bank 1 to 4)
Necessary preliminary tasks:
- Connect diagnosis tester
- Unfasten acoustic cover screws. Raise acoustic cover and remove towards front.
- Remove ignition coil cover
IMPORTANT: Follow instructions issued by diagnosis tester.
Unlock plug (1) on servomotor (2) and disconnect.
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Fig. 699: Identifying Plug On Servomotor
Unfasten screws.
Rotate servomotor (2) until no longer engaged in spline teeth of eccentric shaft.
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Fig. 700: Rotating Servomotor
Installation:
Replace sealing ring on spacer.
Install servomotor (1) and screw in up to spacer.
Rotate servomotor (1) into correct installation position.
Install and tighten down screws.
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Fig. 701: Identifying Sealing Ring
Installation:
Read out fault memory of control unit of Digital Motor Electronics (DME).
Check stored fault messages.
Rectify faults.
Now clear the fault memory.
REMOVING AND INSTALLING/REPLACING LEFT ECCENTRIC SHAFT SENSOR (N62/N62TU)
(cylinder bank 5 to 8)
Necessary preliminary tasks:
- Remove left cylinder head cover.
Unfasten screws.
Remove eccentric shaft sensor (1).
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Fig. 702: Locating Eccentric Shaft Sensor Screw
Installation:
Read out fault memory of control unit of Digital Motor Electronics (DME).
Check stored fault messages.
Rectify faults.
Now clear the fault memory.
REMOVING AND INSTALLING/REPLACING RIGHT ECCENTRIC SHAFT SENSOR (N62/N62TU)
(cylinder bank 1 to 4)
Necessary preliminary tasks:
- Remove right cylinder head cover.
Unfasten screws.
Remove eccentric shaft sensor (1).
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Fig. 703: Locating Eccentric Shaft Sensor Screw
Installation:
Read out fault memory of control unit of Digital Motor Electronics (DME).
Check stored fault messages.
Rectify faults.
Now clear the fault memory.
REPLACING CONTROL UNIT (VALVETRONIC)
Switch off ignition.
Disconnect battery leads.
CAUTION: Follow instructions for removing and installing electronic control units.
Observe following instructions before replacing control unit: Program control unit.
Remove right fresh air duct.
Release screw and remove holder (1).
Release screws and remove cover (2) from control unit box.
NOTE: Release screws on seal (3) only when removing wiring harness.
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Fig. 704: Locating Holder, Screws And Cover
Installation:
Insert tabs (1) in openings (2) and close cover.
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Fig. 705: Locating Tabs And Cover
Unlock and detach plug connections on Valvetronic control unit (1).
Remove Valvetronic control unit (1).
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Fig. 706: Identifying Valvetronic Control Unit
NOTE: Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Then clear fault memory.
