Description
BMW E65 E66 Rear Left Door Lock 7202137 is an original part from the Locks and Latches group, designed for the rear left area of luxury BMW 7 Series E65/E66 limousines. It enables the proper operation of the locking mechanism, cooperation with the central locking system, and comfortable, secure closing of the rear passenger door.
Specifications and technical data
- SKU: 7386241
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7386241
- Substitutable numbers: 7386241, 51227386241
- Location on the vehicle: Rear, Left
- Gearbox type: Automatic
- Category: Exterior Locks & Lock Hardware
Door Lock Purpose and Function
The presented lock is dedicated for installation in the rear left door of BMW 7 Series E65/E66, ensuring proper locking of the door leaf and stable holding in the closed position. The component works with the factory central locking system, the interior and exterior handle mechanism, and the vehicle’s electrical system, which translates to cohesive operation of the entire cabin access system.
Thanks to its design compliant with the manufacturer’s standard, the lock retains factory mounting points and geometry, which facilitates installation and reduces the risk of door closing issues, noise, or improper seal fit.
Compatibility with BMW E65/E66 and Automatic Transmission
The part is designed to work with vehicles equipped with an automatic transmission, which is important for the logic of comfort and safety systems (including opening locks under specific drive conditions). Using a lock compliant with the factory BMW specification minimizes the risk of communication errors with control modules and ensures proper cooperation with the body electronics.
In practice, this means that after correct installation, the lock integrates with the existing vehicle wiring without the need for modifications to harnesses or interference with control unit software, which is particularly important in complex, high-end models.
Performance Characteristics and Benefits of Use
Using an original rear left door lock in a BMW E65/E66 allows for the restoration of proper opening and closing mechanism operation, eliminating common wear symptoms such as:
- problems with closing or accidental opening of the door while driving,
- no response to central locking commands,
- irregular operation of the passenger side door lock.
A properly selected lock contributes to everyday driving comfort, enhances the subjective feeling of body solidity, and supports maintaining a high level of passive safety. For owners of BMW 7 Series youngtimers, it is also a way to maintain the technical consistency of the vehicle with the original factory specification.
Condition, Installation, and Practical Application
The offered lock comes from the used parts group, allowing for an economical repair while maintaining the original BMW construction. The part is intended for direct installation in place of the factory rear left lock, using existing mounting points and factory vehicle wiring connectors.
In practice, installation involves removing the door trim, disconnecting the old mechanism, and connecting the new lock, following the manufacturer’s service procedures. A correctly installed part restores full locking functionality, cooperation with the central locking system, and proper operation of handles and interior locks.
Upgrade Expansion and Technical Knowledge
If you are planning a comprehensive repair or upgrade of the door lock area in your BMW and need other parts from the same group, such as latch mechanisms, actuators, or lock cylinders, check the available parts in the BMW Locks and Latches category.
For owners of the 7 Series E65/E66 who treat their cars as youngtimers and want to consciously select used components, an article describing modernization scenarios and parts selection for vehicles from the 1998–2012 period may be a useful source of information – you can find it here: Second Life for a Youngtimer – How Used Car Parts Revitalize Cars from 1998–2012.
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