The S63 and the N63 are 4.4-liter V8 engines made by BMW and installed into its vehicles. While these two V8 engines have ...

In 2012, BMW released a technical update to the N63. That is quite a fancy euphemism ... turn into the same serious problems the original V8 had, but you know the drill. The new valve stem seals ...

The N63 might not be the most reliable engine ... A key reason for its longevity is that it's relatively efficient in V8 terms, helping BMW to meet its global emissions targets while still ...

Let’s take this 2025 BMW M850i xDrive Coupe as an example. It was purchased in December 2024 and had fewer than 1,800 miles ...

Power is sent to four wheels via BMW’s xDrive system ... you’ll discover that on start up and at low revs the M550i’s N63 V8 engine is actually the more charismatic of the two.