We all like to keep our vehicles in good mechanical condition, and one of the easiest ways to keep our cars running their best is to service the vital fluids at the proper intervals. The lubricants in ...

My BMW i3’s rear differential has been a gigantic pain in the butt in that — thanks to a Technical Cost Reduction by BMW after the first model-year — it no longer features a fill plug. How, then, am I ...

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Think your rear differential is due for some re-lubrication? Larry Kosilla is ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Changing the car differential oil—it's one of the most-overlooked maintenance tasks ...

Your rear differential is one of the most unappreciated parts in your car or truck. It does what might be the hardest job of all of those components, multiplying torque from your transmission and ...

It’s no secret that when a manufacturer builds a vehicle, it’s actually nothing more than a series of compromises. Engineering wants one thing, but production demands another, legal something else, ...

We all like to keep our vehicles in good mechanical condition, and one of the easiest ways to keep our cars running their best is to service the vital fluids at the proper intervals. The lubricants in ...