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Home >> BMW >> 2017 >> M3 Automatic DCT Trans >> Repair and Diagnosis >> Body & Frame >> Windows >> Body Equipment - Repair (F80) >> 51 21 Door Locks, Handles, Fittings, Front >> 51 21 225 Removing and installing or replacing inside door opener in left or right front door

51 21 225 Removing and installing or replacing inside door opener in left or right front door

Necessary preliminary tasks: 

NOTE: Graphic is similar.

Lever out lock (2)

Pull off Bowden cable housing (3) towards rear/top - the Bowden cable feeds out of its own accord in the process.

Installation note: 

To install the Bowden cable, press inner door handle (1) opposite to direction of arrow.

G04752630Courtesy of BMW OF NORTH AMERICA, INC.

Drill out welding spots (1) on door opener (2) with 8 mm dia. weld spot drill bit and remove door opener (2).

NOTE: Door opener is welded to door trim panel only on initial installation. The door opener is screw-connected on second installation. If applicable, release screws instead of welding spots.
G10097080Courtesy of BMW OF NORTH AMERICA, INC.

Replacement: 

Saw off welding pins (1) along edge (2).

G10097081Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Increased risk of damage through welding pin marked red.
Welding pins are not to be completely shortened.
When welding pins are completely shortened, repair screw may leave a pressure mark in the visible area.
Welding pins must protrude by at least dimension (x).
x = 2 mm
G10097082Courtesy of BMW OF NORTH AMERICA, INC.

Insert door opener in door trim panel.

Installation note: 

Welding pins (1) are not to protrude over door trim panel (2).

G10097083Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Secure door opener (1) on door trim panel (3) with repair screw (2).

Tightening torque: 51 41 2AZ .

G10097084Courtesy of BMW OF NORTH AMERICA, INC.