7160... Replacing release unit for trailer tow hitch: Notes

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335xi, and 2010 BMW 335i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Bumper trim shown removed for purposes of clarity.

Disconnect plug connection (1).

Unclip cable holder (2).

Fig 1: Identifying Plug Connection And Cable Holder

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Release screw (1).

Tightening torque 71 60 2AZ .

Installation:

Replace microencapsulated screw (1).

Fig 2: Identifying Microencapsulated Screw

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NOTE: Shown without gear unit for purposes of clarity.

Fit special tool 72 0 010 so that ribs (2) of retainer (1) are inserted into special tool.

Fig 3: Inserting Ribs Of Retainer Into Special Tool (72 0 010)

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IMPORTANT: Make sure special tool 72 0 010 is correctly positioned.
Special tool 72 0 010 must be inserted between trailer tow hitch (1) and gear unit (2).

Fig 4: Inserting Special Tool Between Trailer Tow Hitch And Gear Unit

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Drive special tool 72 0 010 in direction of arrow upwards and remove retainer of gear unit (1).

Detach gear unit (1).

Fig 5: Removing Gear Unit Retainer Using Special Tool (72 0 010)

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If it is not possible to detach the gear unit:

RELEASE GEAR UNIT .