BMW has confirmed it'll officially debut its 2015 Z4 with the Pure Fusion Design package at the 2014 Detroit Auto Show.

Interior upgrades confirmed by the automaker includes: sport seats in Nappa leather trim, a special wood trim, and horizontal trim line in the cabin made of Saddle Brown Nappa leather.

Sun visors covered in black Nappa leather have also been confirmed by BMW.

The Pure Fusion Design package can be combined with the M Sport package.

The new package includes an upgraded cabin while also adding a Sparking Brown metallic exterior paint job, according to the automaker.

The base Z4 sDrive28i comes equipped with a 240-horsepower twin-turbo 2.0-liter four-cylinder engine.

BMW has not announced the base price for its 2015 Z4 yet however.

The Detroit Auto Show is open to the press on Jan. 13, and the public on Jan. 18. 

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