Door Lock Repair Kit Instructions for 1999-2006 BMW E46 3-Series, M3, E83 X3 and E53 X5
The following links will are instructions found online for repairing and replacing the Door Lock assembly for BMW 3, 5, X3, X5 models (E46, E90, E83, E53).
Picture Instructions for Removing Door Lock from car door:
Video Instructions for Repairing Lock Apparatus (concise):
(3) Part Series removal and installation (thorough):
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German Audio Tech Team