Car Door Lock Actuator 51217368449 for BMW 7 Series G12 (2016-2019) | Auto Body System Central Locki

Usage & Installation

Typical Use Case: This part is used to replace a faulty door lock actuator. Common symptoms of a failing actuator include: the door not locking/unlocking with the remote or interior button, erratic locking behavior (e.g., locks repeatedly popping up and down), or a rattling noise from the door panel .

Installation Guide (General Overview): Replacing a door lock actuator is a moderately complex DIY task that requires mechanical aptitude. While specific steps vary by vehicle model, the general process involves:

1. Disassembly: Carefully removing the interior door panel to access the lock mechanism. This typically involves removing screws, clips, and possibly the door handle and speaker .
2. Removal: Disconnecting the electrical connector and any mechanical linkages (rods) connected to the old actuator. Then, unbolting the actuator assembly from the door structure.
3. Installation: Reversing the removal process to install the new actuator, ensuring all connections are secure and linkages are properly reattached.
4. Testing: Before fully reassembling the door panel, test the new actuator multiple times using both the remote and interior controls to ensure proper function.

Note: It is highly recommended to consult a vehicle-specific repair manual or watch a detailed tutorial video for your exact BMW model before attempting installation .

Purchasing Guide

Where to Buy: This part is widely available on major B2B e-commerce platforms like ajfpt.com and through various automotive parts suppliers .

Price Range: Prices vary significantly depending on the supplier, order quantity, and whether it's a genuine OEM part or a high-quality aftermarket equivalent. Expect a broad range from budget options to premium-priced units .

Supplier Verification: When purchasing, especially online, it's crucial to check the supplier's ratings, reviews, and certifications (like ISO 9001) to ensure product quality and reliability .

Compatibility Check: Always double-check the OE number (51217368449) against your vehicle's specific model and production year to ensure a perfect fit .

Evaluation & Reviews

While specific user reviews for this exact part number are not aggregated in the search results, evaluating a door lock actuator generally involves considering:

• Fitment: Does it fit perfectly without requiring modifications?
• Performance: Is the operation smooth, quiet, and immediate?
• Durability: How long does it last under regular use? High-quality materials like corrosion-resistant metal and high-strength plastic contribute to longevity .
• Ease of Installation: Is the installation process straightforward for qualified technicians?

After-Sales Service & Warranty

Warranty: Many suppliers offer a warranty on their parts, ranging from 12 months to longer periods. The availability and terms of the warranty depend on the specific supplier .

BMW Extended Warranty: If your vehicle is still covered by BMW's factory or extended warranty, repairs using genuine parts at authorized dealers may be covered .

Recalls & Safety: It's always good practice to check with official sources (like BMW or government recall websites) for any active recalls related to your vehicle's door lock system .