Adjusting Left Or Right Door (M4 Coupe, M4 Convertible)

IMPORTANT: Do not damage adjoining body components.

Minor corrections (realignment work) are permitted if the existing adjustment options are not sufficient.

NOTE: Observe Gap Dimensions: See BODY DIMENSIONS .
The door must be provided with all add-on parts for correct adjustment.
Adjust screwed body components from rear to front.

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken lock striker, remove if necessary.

Height adjustment (Z):

Slacken screws (1) until door can still just be moved. Adjust height of door.

If the range of adjustment is not sufficient, also slacken screws (2) and adjust height of door.

NOTE: Carry out adjustment in longitudinal direction (X) and in transition to side panel (Y) for hinges only, as otherwise height adjustment is lost.

Adjusting in longitudinal direction (X):

Slacken screw (2) on upper hinge and adjust door in longitudinal direction. Then adjust door at lower hinge in longitudinal direction.

Adjusting in transition to side panel (Y):

Slacken screws (1) on upper hinge and adjust door in transition to side panel. Then adjust door at lower hinge in transition to side panel.

Tightening torque 41 51 FRONT DOORS .

Check that adjoining body components are flush in terms of height and correct if necessary.

NOTE: Height adjustment of door must not be influenced by lock striker.

When closing the door, the lock striker must not touch or scrape against the door lock. Look out for scratch marks.

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken screws (1) until lock striker can still just be moved.

Move lock striker sideways in order to adjust transition between door and rear side panel.

Tightening torque 51 21 DOOR LOCKS, HANDLES, FITTINGS, FRONT .

NOTE: When the door is closed, the lock striker must not touch or scrape against the door lock. Look out for scratch marks.

After Installation note:

If the hinge is slackened on the body side, the area of the hinge must be sealed in a u-shape with sealant (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten all bolts to specified torque.
Initialize POWER WINDOW .
Touch up unpainted surfaces in the appropriate color.