THE NEW BMW Z4 UNDERGOES DRIVING DYNAMICS TRIALS.

Cars & Technology05 Jun 2018



The new BMW Z4 is currently undergoing a vital stage of the process towards its series production, in this case involving driving dynamics testing of a heavily disguised prototype. The results from the tests will provide key insights into the performance of the new model, with the trials at the Autodrome de Miramas focusing on fine-tuning its drive and suspension systems.

“The vehicle concept of the new BMW Z4 is geared consistently towards agility and driving dynamics,” explains Jos van As, Head of Application Suspension. “The high level of body stiffness and the very rigid suspension attachment provide the perfect basis for a set-up that guarantees the performance qualities of a genuine sports car in terms of steering precision as well as longitudinal and transverse acceleration.”

Like the Nürburgring-Nordschleife, the Miramas test centre offers prime conditions for the new BMW Z4 to demonstrate its driving dynamics potential. Used by BMW to develop and test new models for over 30 years, the centre comprises a long asphalt oval and a motorway ring road for high-speed tests as well as slalom, serpentine and circular tracks and a number of handling courses and circuits featuring highly diverse types of surface. These are currently being used for detailed analysis and optimisation of the roadster's acceleration, steering and brake response. For example, the final form of the adaptive M suspension as it interacts with the rear axle limited-slip differential is developed on a circuit that is also used for testing purposes by BMW Motorsport.

This intense testing process already indicates that the new version of the roadster concept will offer a tangible increase in sporty flair in the new BMW Z4. The new generation will introduce effective enhancements in terms of agile handling, spontaneity and precision when changing direction and accelerating in dynamic style out of bends – without compromising on comfort.

BMW's latest roadster will feature a soft top roof

Find out more about the BMW Concept Z4 here.



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