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.
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S63 Vs. N63 Engines: What Are The Key Differences?
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 ...
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