Upcoming track hero spotted with suede-lined cabin, which should be bolstered by weight loss and more power.
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Photographers have snapped the upcoming BMW M2 CS once again, this time including shots of the track-focused coupe's interior.

While the exterior remains hidden under camouflage, the Alcantara-heavy interior doesn't have much to hide.

There's suede trim on the steering wheel, door cards, and on the dashboard. An Alcantara trim option for the seats is also likely.

In normal CS fashion, it's likely the M2 will incorporate a number of new carbon-fibre components to shed weight to save precious tenths on the track. Expect carbon-fibre bits for the bonnet, mirrors, roof, body kit and cabin, along with lighter alloy wheels at each corner wrapped in sticky track-oriented rubber.

While powertrain details are yet to be revealed, it's believed the M2 CS will get a power bump to 450hp (335kW), which would be a handy 33kW up on the 'standard' M2 Competition currently on sale. It's unclear whether the M2 Comp's 550Nm torque figure will grow, though.

Six-speed manual and seven-speed dual-clutch automatic transmission options are expected to be offered – the vehicle spied here has the latter – with drive sent exclusively to the rear wheels.

It's rumoured production of the M2 CS will commence in 2020, with just 2200 units to be made. This hasn't been officially confirmed, though.

Expect a public debut in September at the Frankfurt motor show, ahead of a market launch next year.

Stay tuned to CarAdvice for all the latest, and click on the images for the full gallery.