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Home >> BMW >> 2004 >> 645Ci 2D Convertible, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Equipment - Repair Instructions >> Front Manually operated windows >> 51 32 170 Removing and installing/replacing door window glass, front left or right

51 32 170 Removing and installing/replacing door window glass, front left or right

Necessary preliminary tasks: 

Door window glass (1) must be opened to dimension (A).

A= approx. 350 mm

Fig 1: Identifying Door Window Glass Dimension
G03287660Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Disconnect plug connection (1) from power window motor (2) (risk of trapping).
Fig 2: Disconnecting Plug Connection From Power Window Motor
G03287661Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) through bore on inner door panel (2).

Installation: 

Insert door window glass (3) with clamping plate (4) in mounting (5).

Tightening torque, refer to 51 32 2AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 645CI .

Fig 3: Releasing Screw Through Bore On Inner Door Panel
G03287662Courtesy of BMW OF NORTH AMERICA, INC.

Slide locking clip (1) in direction of arrow.

Turn door window glass (3) and feed towards top rear out of guide rail (2).

Fig 4: Sliding Locking Clip
G03287663Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Adjust door window glass.

Installation: 

Sliding block (1) must be correctly positioned in guide (2).

Clamping plate (4) must be correctly engaged with shim (3) on door window glass (5).

Fig 5: Identifying Correct Positioning Of Sliding Box In Guide
G03287664Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Lever out catch (2) from shim (4) and remove with clamping plate (3) from door window glass (1).

Lever out catches (5) and remove clamping plate (3) from shim (4).

Fig 6: Removing Clamping Plate From Shim
G03287665Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Catches (2 and 5) must not be damaged.