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Home >> BMW >> 2007 >> M Coupe >> Repair and Diagnosis >> Electrical >> Gauges >> Body Equipment - Repair Instructions >> 21 Front Door Locks, Hand >> 51 21 310 Removing and installing/replacing window cavity cover strip on front door

51 21 310 Removing and installing/replacing window cavity cover strip on front door

Necessary preliminary tasks: 

Fig 1: Detaching Inner Window Cavity Cover Strip From Retainers Towards Top
G04749741Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Window cavity cover strip comes in one part for outside (4) and inside (2).

Pop cover (1) out of front door.

Detach inner window cavity cover strip (2) from retainers (3) towards top.

Detach outer window cavity cover strip (4) from outer door panel towards inside/top.

Installation: 

Coat window cavity cover strip (1) with water before fitting.

Installation: 

If necessary, detach faulty retainers (1) from inner door panel and replace.

Fig 2: Detaching Faulty Retainers From Inner Door Panel
G04749742Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Following parts of window cavity cover strip (6) must not be damaged or missing:

  1. Catches
  2. Inner window cavity cover strip
  3. Sealing lips
  4. Outer window cavity cover strip
  5. Aluminum strip
Fig 3: Identifying Catches, Aluminum Strip & Outer Window Cavity Cover Strip
G04749743Courtesy of BMW OF NORTH AMERICA, INC.