The M3 CS also comes standard with aggressively bolstered M Carbon bucket seats ... The 17.7 cubic feet of cargo space with the rear seat in place expands to 53.3 cubes with the seat folded.

Even sportier than a normal M3's interior, the CS gets standard M Carbon bucket seats and more carbon fiber trim. When we drove it, we referred to the interior of the BMW M3 CS as being like one ...

Carbon fiber also enters the cabin with a set of M Carbon bucket seats ... BMW says the M3 Touring CS offers 500 liters of cargo space (17.7 cubic feet) in imperial measure.