The use of carbon fiber in a mass-produced car is perhaps the only notable breakthrough linked to the BMW i3.

It's through the use of carbon fiber that the i3 becomes one of the lightest cars sold in the U.S. today.

Without carbon fiber, the i3 might not be the U.S.' most "fuel-efficient" vehicle.

This teardown video explores the i3's extensive use of carbon fiber.

As an added bonus, you'll learn how BMW designed the i3 to survive several of today's various crash tests.