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

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.

Replace sealing ring (1) and coat with oil.

Fig 1: Identifying Sealing Ring

G06852201

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Align lock (2) on gear unit to release pin (3).

Fit gear unit (1) up to stop.

Fig 2: Identifying Lock On Gear Unit

G06852202

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Fit retaining lug on retainer (1) as pictured.
Retainer (1) must snap firmly into correctly!

Fit special tool 72 0 010 onto retainer (1).

Fig 3: Fitting Special Tool (72 0 010) Onto Retainer

G06852203

Courtesy of BMW OF NORTH AMERICA, INC.

Set retainer (1) on gear unit (2) and snap into place with special tool 72 0 010 in direction of arrow.

Installation:

Check protective cap (3) for damage and replace if necessary.

Fig 4: Setting Retainer On Gear Unit Using Special Tool (72 0 010)

G06852204

Courtesy of BMW OF NORTH AMERICA, INC.

When replacing protective cap:

If necessary, cut off cable tie (1) from gear unit (2).

Fig 5: Identifying Cable Tie And Gear Unit

G06852205

Courtesy of BMW OF NORTH AMERICA, INC.