51 11 770 Removing and installing/replacing front left or right deformation element for bumper

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Necessary preliminary tasks:

Remove side engine compartment lid gasket mounting in working area. See 51 76 035 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT ENGINE COMPARTMENT LID SEAL LOCATOR .
Remove support for front bumper panel. See 51 11 050 REMOVING AND INSTALLING/REPLACING SUPPORT FOR FRONT BUMPER PANEL .
Release HIGH-PRESSURE NOZZLE OF HEADLIGHT CLEANING SYSTEM .

Release screw (1) on V-support (2).

Tightening torque 51 61 6AZ .

Release screws (3).

Fig 1: Identifying Screws Of Deformation Element For Bumper

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Unclip hose pipe (2) for headlight cleaning system at marked points and set down safely.

Release screws (1) on V-support (3).

Tightening torque 51 11 7AZ .

Feed out cross-struts (3).

Fig 2: Locating Hose Pipe

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Unclip air duct (1)

Installation note:

Make sure all retaining lugs are correctly latched on air duct (1).

Retaining lugs on air duct (1) must not be missing or damaged.

Fig 3: Removing Retaining Lugs On Air Duct

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Unclip wiring harness mounting (1).

Fig 4: Identifying Wiring Harness

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Release screws (2) on brake air duct (1). Remove brake air duct (1) in direction of arrow.

Fig 5: Releasing Screws On Brake Air Duct

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NOTE: For height adjustment, mark position of deformation element (4). Unfasten plug connection (3) and disconnect.

Release bolts (1) on engine support (2).

Tightening torque 51 11 3AZ .

Installation note:

Height adjustment, see 41 00... BODY GAP DIMENSIONS .

Fig 6: Identifying Plug Connection And Bolts On Engine Support

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Release screws (1) on cross-member (2).

Tightening torque 51 11 2AZ .

Fig 7: Identifying Screws On Cross-Member

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Unlock plug connections (1) and (2) and disconnect.

Fig 8: Identifying Plug Connections

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Unlock plug connection (1) on headlights (4) and disconnect.

Disengage Bowden cable (2) from engine compartment lid catch (3).

Release screws (5).

Tightening torque 51 23 2AZ .

Installation note:

Bowden cable (2) must be correctly engaged in engine compartment lid mounts.

Fig 9: Identifying Plug Connection, Bowden Cable And Screws

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Release screw (2).

Feed out deformation element complete with headlights (2) and lock support in direction of arrow and set down safely.

Fig 10: Removing Deformation Element

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Release screws (1).

Remove deformation element (2) from lock support (3).

Fig 11: Identifying Deformation Element And Screws

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