How often you need to change motor oil of your BMW 325 you?

The recommended oil change interval for a BMW 325i depends on the model year and engine type. For vehicles with a production date from March 2005 to the present, the recommended interval is every 12,000 miles or once a year, whichever comes first.

For older models with a production date prior to March 2005, the recommended interval is every 15,000 miles or once a year, whichever comes first.

It's important to follow the recommended oil change interval to ensure that your engine receives the proper lubrication and protection.