This video covers a complete oil change and oil level sensor replacement on the BMW E39 M5. We show the full process, tools ...

Power steering fluid is essential for many cars. However, the fluid has a shelf life and won't last forever. Here's how long an open bottle will remain fresh.

Mileage amounts might range from 3,500 to 5,000, 7,500 or even 10,000 miles, Townsend said. The type of oil – synthetic, semisynthetic/blended or conventional − is also key, with full synthetic oils ...