Abnormal sound of a door lock block may be caused by different factors. Below are some common causes and possible solutions:

Insufficient lubrication: Lack of proper lubrication in the lock block may result in abnormal sound due to friction. Suitable lubricant can be used to lubricate the lock block.

Loose components: Some components in the lock block may generate abnormal sound due to wear or looseness. Check if the lock block and its connecting components are firm, and tighten or replace them if necessary.

Accumulation of dust or foreign matters: Dust or foreign matters may accumulate in the lock block and interfere with its normal operation. Compressed air can be used to clean the inside of the lock block and prevent foreign objects from being stuck.

Damage or aging: If the lock block has aged or damaged, it should be inspected. If any obvious crack or wear is discovered, it should be replaced.

Electrical problems: The abnormal sound of an electric door lock of a car may be caused by motor or wiring problems.

Advantages of vika BMW door lock block:

1. The frame of vika BMW door lock block is made of high-strength steel plates, which provide tensile strength of 15000N, lead to 36% performance improvement, and contribute to better deformation resistance.

2. The waterproof micro switch is a ZP product, and the motor is a Johnson Electric product, both boasting OE quality.

3. The worm and worm gear are made of more wear-resistant DuPont material. High-grade grease with an operation temperature range of -45℃~80℃ is adopted to improve low-temperature performance.