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 several similarities, they also have significant differences. Let's start with ...

Car enthusiasts of a certain age may feel particularly dated by the following fact: the first two powerplants to mark BMW's mass-market adoption of twin-turbo engines are about to start turning 20.

The BMW N63 series V8 is a high-performance engine, with different versions all putting out over 400 horsepower. It's definitely an innovative engine, as it includes important firsts for BMW and the ...

This 650i’s replacement motor didn’t last long, and its internal damage tells a familiar story for early N63 owners. The BMW N63 V8 was initially praised but quickly became notorious for unreliability ...