Depends on what the manufacture of your vehicle recommends. Can be as little as 3,000 miles to as much as 10,000 miles. Follow the manufactures recommendation.
About 4500 miles for car/truck over 150k
Change the oil & filter every 5,000 miles if you use conventional oil and every 7,500 if you use synthetic.
Use synthetic oil and change it once every year or 5,000 miles whichever comes first.
For a 2001 BMW Z3, the recommended interval for synthetic oil changes is typically between 7,500 to 10,000 miles, depending on driving conditions and habits. It's essential to consult the owner's manual or a qualified mechanic for specific guidance based on your driving style and the vehicle's condition. Regular oil checks and changes are crucial for maintaining engine health.
If you drive normally and use conventional oil I recommend you change oil and filter every 5,000 miles. If you use Synthetic oil the change it every 7,500 miles. Use a quality filter.
I would recommend at least every 75,000 miles.
5000 miles
Synthetic oil can last between oil changes for approximately 7,500 to 15,000 miles, depending on the manufacturer's recommendations and driving conditions. Many modern synthetic oils are engineered to provide better protection and performance than conventional oils, allowing for extended intervals. However, it's always best to consult your vehicle's owner manual and consider factors like driving habits and environmental conditions when determining the optimal change interval.
3000
Dont use synthetic oil in 2.4L DOHC engines. !!!!!
7,500 miles.
You should change your oil every 3 months or 3,000 miles.