BMW X5 Owners & Service Manuals

BMW X5: Removing And Installing/Replacing Servomotor For Left Eccentric Shaft (N62/N62TU)

BMW X5 (G05) 2019-2024 Service & Repair Manual / Engine / Engine (N62TU V8) / Variable Valve Gear / 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:

IMPORTANT: Follow instructions issued by diagnosis tester.

Unlock plug (1) on servomotor (2) and disconnect.

Variable Valve Gear
Fig. 696: Identifying Plug On Servomotor

Unfasten screws.

Rotate servomotor (2) until no longer engaged in spline teeth of eccentric shaft.

Variable Valve Gear
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.

Variable Valve Gear
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:

IMPORTANT: Follow instructions issued by diagnosis tester.

Unlock plug (1) on servomotor (2) and disconnect.

Variable Valve Gear
Fig. 699: Identifying Plug On Servomotor

Unfasten screws.

Rotate servomotor (2) until no longer engaged in spline teeth of eccentric shaft.

Variable Valve Gear
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.

Variable Valve Gear
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:

Unfasten screws.

Remove eccentric shaft sensor (1).

Variable Valve Gear
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:

Unfasten screws.

Remove eccentric shaft sensor (1).

Variable Valve Gear
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.

Variable Valve Gear
Fig. 704: Locating Holder, Screws And Cover

Installation:

Insert tabs (1) in openings (2) and close cover.

Variable Valve Gear
Fig. 705: Locating Tabs And Cover

Unlock and detach plug connections on Valvetronic control unit (1).

Remove Valvetronic control unit (1).

Variable Valve Gear
Fig. 706: Identifying Valvetronic Control Unit

NOTE: Interrogate fault memory of DME control unit.

Check stored fault messages.

Rectify faults.

Then clear fault memory.

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