Next Z4 And New Supra Successor To Use 86/BRZ Platform: Report Photo:
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2013 BMW Z4 Roadster - Overseas Photo:
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Malcolm Flynn | Feb, 12 2013 | 3 Comments

Toyota and Subaru’s 86/BRZ will form the basis of the 2015 BMW Z4, along with a replacement for Toyota’s Supra coupe if a recent report from the US proves correct.

US mag Motor Trend suggests both models will use an enlarged version of the 86/BRZ architecture, with reinforcements to permit the use of heavier and torquier hybrid drivetrains.

This report follows confirmation of an expanded Toyota/BMW partnership in January, which will now include an engine-sharing program, green technology development, and a joint sports car project.

The FT-HS hybrid concept from 2007 was Toyota’s first hint of a future Supra replacement, and the now joint project is reportedly being headed by 86/BRZ chief engineer Tetsuya Tada.

Reports last year suggested that the next Z4 would be lighter and more performance-focused to better challenge Porsche’s Boxster, and Tada-san's success with the 86/BRZ suggests he could deliver such a car.

The report adds that a 2.5 litre turbocharged four-cylinder hybrid drivetrain is likely for the Supra-replacement, which could produce more than 300kW.

BMW on the other hand will reportedly use an Activehybrid six-cylinder drivetrain to produce similar power in a potential Z4 range-topper.

While the next Z4 is due to arrive sometime in 2015, the Supra replacement is believed to be further away, due possibly in 2017.

A concept version of the new Toyota could appear as soon as November’s Tokyo Motor Show however, enabling the Japanese brand to ride the wave of the 86’s success.

Above: A next-generation Supra, imagined by BullFinch studios.
Above: A next-generation Supra, imagined by BullFinch studios.

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