How hard is it to find a bottle of regular motor oil these days? Well, according to a TikTokker named Dave, it’s pretty tough ...

My Audi requires 5W-40 oil. I use Mobil 1, full synthetic. I have some 0W-40 left over from a previous vehicle. If I mix ...

Even as cars become increasingly sophisticated, motor oil remains the engine’s lifeblood, and caring for this fluid is vital. Fortunately, this is a rather simple task—and your car’s onboard computer ...

This 650i’s replacement motor didn’t last long, and its internal damage tells a familiar story for early N63 owners.