BMW 325Ci driver's door actuator microswitch malfunction affecting door open recognition and locking mechanism on BMW 325Ci

Submitted by BreakMyWallet · Jun 23, 2025
Published by RepairPal

Problem overview

Some BMW 325Ci owners report experiencing issues with the driver's door actuator microswitch malfunction, which affects door open recognition and the locking mechanism. These problems can stem from faulty wiring, malfunctioning control modules, and blown fuses, leading to difficulties with the locking system. In certain cases, the electrical unit may be the primary source of the issue rather than the mechanical components. Owners are advised to check for common problems such as broken wires, corrosion, and damage when troubleshooting. If the power door locks are inoperative, it may be due to fuse issues that require checking and replacing with the correct amperage. Additionally, the Door Lock Actuator (DLA) is known to have issues, and ensuring the tightness of the three Torx bolts holding it in place is recommended. Door lock failures are a common concern for BMW owners, and addressing these issues promptly is essential for the proper functioning of the locking mechanism.

1 person reported this problem
1 comment
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BMW 325Ci vehicles with this problem

1 model year affected
Average mileage: 70,000 miles
(70,000 - 70,000)

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