BMW is doing final development work on the next-generation 3 Series ahead of its full reveal. The latest testing has been in the area of a key BMW characteristic, driving dynamics and the company has been putting the new 3 through its paces at the Nürburgring Nordschleife. Test runs at the legendary circuit, known as the "Green Hell", traditionally serve as a baptism of fire for the drive and suspension technology of newly developed models. The company says an extensive testing programme was developed for the camouflaged prototypes of the new 3 Series which will benefit from substantial changes to wheel suspension, steering, damping, suspension and brakes. The centre of gravity is said to be 10mm lower than in the outgoing model, axle load distribution is balanced at 50:50. BMW says the total weight adjusted for equipment is as much as 55kg lighter. The rigidity levels of the body structure and suspension attachment — so crucial to the steering setup and ride acoustics — have been e...

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