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I have a theory, when it comes to German cars, if you’re a performance oriented gearhead, you don’t really want the flagship. Rides like the Mercedes-Benz S Class, the Audi A8, and the BMW 7 Series: those are for older, well established, well-healed buyers – people who want comfort and speed, rather than the other way around: speed with “enough” comfort doo-dads thrown in.
This is not to say that BMW’s 5 Series has ever been Spartan, far from it. But the 5 Series gets a ton of performance goodies in a much smaller and lighter package than the big, honking 7 Series for 2017.
Engine Materials
Most importantly, it’s what’s in the engine bay. Remember, the “M” in BMW stands for motor, and it’s in the 5 Series that the Bavarians have done some of their most wicked power plant development. Remember the first gen M5" The new 5 Series doesn’t mess around in the engine department. The 2017 5 Series features a new engine family that showcases BMW TwinPower Turbo technology. The newly developed, modular BMW EfficientDynamics engines are lightweight, thermodynamically optimized, and consist of an all-aluminum construction. This is a tricky combination of factors to balance. You want things to be lightweight, so you go with aluminum. The problem is that aluminum is not as thermodynamically stable as heavier metals (iron, for example) but, BMW pretty much ...