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BMW's quad-turbo diesel X5 M50d: A technological marvel

The story behind BMW's unique quad-turbo diesel engine, its impressive performance, and how it stacked up against its rivals ...
SlashGear

All About The Engines In The BMW X5 E53: Horsepower, Torque, & Other Specs

After the midsize SUV craze took off in the '90s with the introduction of the Ford Explorer, Jeep Grand Cherokee, Toyota RAV4, Honda CR-V, and Mercedes-Benz ML (now GLE), BMW in 1999 hopped on the ...