Special Tools Required

WARNING:

Risk of injury!

Carry out work on the power window unit only when the power window motor is de-energized.

Necessary preliminary tasks:

Slacken hook screws (1) with special tool 51 3 240 on ring gear.

Tightening torque, see 51 32 1AZ in 51 32 FRONT DOOR WINDOWS .

Fig 1: Slackening Hook Screws Using Special Tool 51 3 240

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Slacken hook screw on ring gear (1) until it can be easily twisted out at the inner star (2).

Fig 2: Identifying Ring Gear & Inner Star

Courtesy of BMW OF NORTH AMERICA, INC.

Open door window glass (1) until hook screws (2) are accessible.

IMPORTANT:

Risk of injury!

Disconnect plug connection (3) at power window motor (risk of trapping).

Release hook screws (2) (turn in clockwise direction).

Fig 3: Identifying Window Glass, Hook Screws & Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Door window glass (3) remove for purposes of clarity.

Raise holder (1) at lug (2) and remove door window glass (3) in upward direction.

Fig 4: Raising Holder At Lug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure door window glass (1) is correctly seated on holder (2) and window guide (3).

Carry out function check on power window unit and anti-trapping protection.

If necessary, normalize power window unit.

Fig 5: Identifying Door Window Glass With Holder & Window Guide

Courtesy of BMW OF NORTH AMERICA, INC.