Dorman 090-165 Engine Oil Drain Plug

Dorman 090-165 Engine Oil Drain Plug

Dorman 090-165 is a direct replacement engine oil drain plug for worn or damaged original equipment plugs. It matches the required thread pitch for a secure seal and is built for metric applications that use an M12-1.50 drain plug with a 17 mm hex head.

Key Features

• Direct replacement oil drain plug for engine oil service
• Steel construction with a fine-thread M12-1.50 design
• 17 mm hex head for standard socket removal and installation
• Includes a gasket seal for proper sealing at the oil pan
• Conventional drain method with no special tool required
• Fits BMW applications that call for an M12 x 1.50 drain plug

Product Details

This Dorman engine oil drain plug is built to replace a damaged, stripped, or worn drain plug without changing the original thread specification. The steel body, metric thread size, and included gasket help maintain a proper seal during routine oil changes. Part number 090-165 is a practical OE-style replacement for BMW models including M3, M5, M6, X5, 540i, 740i, 740iL, 750iL, 850Ci, and 840Ci where the application calls for M12-1.50 threads and a 17 mm head.

This part cross-references Genuine 07119904550 for the same application.

Common Problems It Can Solve

• Stripped or rounded drain plug threads
• Oil seepage at the drain plug sealing surface
• Damaged plug heads that make removal difficult
• Incorrect thread pitch from a previous repair
• Worn drain plug hardware during routine oil service

Installation Notes and Tips

• Verify the oil pan thread size is M12-1.50 before installation.
• Use a 17 mm socket on the hex head for removal and tightening.
• Inspect the drain surface and replace the gasket seal if needed during service.
• Thread the plug in by hand first to avoid cross-threading.
• Follow the vehicle manufacturer’s torque specification for final tightening.

Quality Assurance

Dorman 090-165 is engineered as a direct replacement part with the correct metric thread pitch and sealing design for the listed BMW applications. It is a straightforward service part for BMW M3, M5, M6, X5, and related models that require an M12-1.50 oil drain plug.