BMW 51217202146 Right System Latch

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To remove the inside door handle, begin by pulling off the inside door trim panel, undoing the interior handle lever, let go of the cable and take off the handle. When removing a front door latch assembly, you will have to remove a window regulator assembly; unplug wiring harnesses, release cables and release rods then loosen and remove the latch. The removal of front door exterior handle involves taking out lock cylinder (if necessary), rear cover and finally disengaging it from attachment. To take away the front door lock cylinder entails accessing then removing a single retaining bolt before pulling it out. In backdoor, start by removing inner trim panel and watershield, unplugging latch wiring, opening rod and opening cable in that order before removing latch assembly. To get rid of rear outer handle on a backdoor remove rear cover as well as pull it outwards while ensuring that latch lever is kept properly positioned. On installation however; you reverse these steps making sure components are properly sealed and secured; check functioning of the latch prior to closing door.

The electric door lock actuator is part of the door lock unit and is not available separately from BMW. Ensure the door window is closed before proceeding. Begin by removing the door handle and then the door panel. Unclip the electrical connection from the door lock and the wiring harness clip, followed by unclipping the lock rod from the door lock. Partially remove the vapor barrier from inside the door and feed out the wires from it, taking care to avoid damage, as a damaged vapor barrier should be replaced to prevent water leaks. While working inside the door cavity, unclip the bowden cable from the door lock assembly. When reinstalling, ensure that the lock cylinder drive is properly seated, and take care not to damage the lock seal during removal. Remove the screws and feed out the door lock from inside the door cavity, with installation being the reverse of removal.

The interior door handle is integral with the door trim and cannot be replaced separately. To access the front door latch assembly, fully open the window and raise it approximately 140 cm, then remove the door inner trim panel and carefully peel off the plastic sound insulation panel to access the latch components. Loosen the window clamp retaining bolts, tape or wedge the window into the closed position, and remove the nuts securing the window rear support bracket. If working on the driver's door, remove the lock cylinder, release the latch assembly wiring retaining clips, and disconnect the wiring connector(s). For vehicles from September 2000, pry the outer cable from the retaining bracket and disconnect the inner end from the lever on the latch. Loosen and remove the latch assembly retaining screws, maneuver it behind the rear window support rail, and out from the door with the latch button linkage. For the front door exterior handle up to September 2000, if working on the driver's door, remove the lock cylinder; for the passenger's door, pry out the grommet to expose the outer handle rear cover retaining bolt, remove the bolt, and pull the outer handle outwards to disengage the latch mechanism. For the front door exterior handle from September 2000, ensure the latch is in the 'installation position', pull the handle outwards, and turn the actuator screw counterclockwise before removing the handle. To access the front door lock cylinder, pry out the grommet to expose the lock cylinder retaining bolt, remove the bolt, and pull the lock cylinder from the door. For the rear door latch, remove the door inner trim panel and sound insulation material, disconnect the door latch wiring connector(s), loosen and remove the latch assembly retaining screws, and maneuver the latch from the door. For the rear door exterior handle up to September 2000, pry out the grommet to expose the outer handle rear cover retaining bolt, remove the bolt, and pull the outer handle outwards to disengage the latch mechanism. For the rear door exterior handle from September 2000, ensure the latch is in the 'installation position', insert the handle into the door, and tighten the retaining bolt securely. During installation, ensure the latch lever is positioned correctly, apply fresh locking compound to the latch screws, reconnect the wiring connector(s), and check the operation of the latch assembly before closing the door.

Silicone lubricant should not be used on the door latch, as latch faults have been traced to silicone contamination.

During installation, you should reverse the steps taken during removal, pay attention to proper sealing and securing of components, and check the latch's operation before closing the door.

The first step is to remove the window regulator assembly.

All latches, locks, and lock strikers should also be lubricated.

A light general-purpose oil should be used to lubricate the hinges of the hood, doors, and trunk.