Dorman 746-510 Fuel Filler Door Lock Actuator

Fuel Filler Door Lock Actuator Overview

Dorman 746-510 is a fuel filler door lock actuator built to match the original part’s appearance and function on specified BMW applications. It uses an electric 12V design with a rectangular female connector and male bullet terminals for direct replacement on listed vehicles.

Compatible with select 1999-2003 BMW 323i, 323Ci, 328i, 328Ci, 320i, 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, and M3 models, this actuator is engineered with metal and plastic construction for dependable operation. If you are replacing a BMW fuel filler door lock actuator, Dorman 746-510 provides the OE-style fit and function needed for proper fuel door locking.

Key Features

• OE-style fuel filler door lock actuator for specified BMW models
• Electric 12V activation
• Rectangular connector with 2 terminals
• Female connector gender and male bullet terminals
• Metal and plastic construction
• Designed to match original appearance and function
• Part number: 746-510

Detailed Description

Dorman 746-510 is a replacement fuel filler door lock actuator for BMW vehicles that use an electric locking mechanism at the fuel door. It is built to replicate the original part’s fit and operating characteristics, helping restore normal fuel door lock operation on 1999-2003 BMW 323i, 323Ci, 328i, 328Ci, 320i, 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, and M3 applications. The part number 746-510 is also useful when cross-checking service records or ordering by reference.

This part cross-references Standard Ignition DLA1233 for the same application.

Common Problems This Part Can Address

• Fuel filler door will not lock or unlock properly
• Fuel door remains stuck in the locked position
• Intermittent electric actuator operation at the fuel door
• Broken or worn actuator housing affecting fuel door security
• Need for a direct replacement on BMW fuel filler door lock systems

Installation Notes and Tips

Verify the vehicle’s build date and application before ordering, especially for 2003 BMW models listed as “to 3/03.” Confirm the connector style, terminal count, and 12V electrical setup match the original unit. Mounting hardware and wiring harness are not included, so reuse existing components when serviceable. Compare the original actuator to Dorman 746-510 before installation to confirm fitment on your BMW 323i, 325i, 330i, or M3 application.

Quality Assurance

Dorman manufactures this actuator from quality materials and designs it to deliver reliable performance and durability in specified applications. The part is built as a direct replacement for the original fuel filler door lock actuator on listed BMW models.