Slotting in between the M4 Competition Pack and full-bore M4 GTS, the limited run M4 CS takes after its more powerful sibling in making extensive use of carbon fibre, but, according to BMW, has been steered deliberately away from the racetrack as it omits certain features found on the GTS.
Tipping the scales at 32 kg less than the Competition Pack, the CS does without a fully adjustable front splitter and rear wing in favour of a carbon fibre lip and exposed carbon Gurney spoiler on the bootlid, with the bonnet, rear diffuser and roof also being made out of carbon fibre reinforced plastic.
Underneath its racer exterior, the CS remains largely unchanged with options consisting of stiffer springs, six-piston brake callipers at the front and four-piston gold units at the rear, carbon ceramic brakes, larger roll bars and ten-spoke Orbit Grey forged alloy wheels derived from the M4's used in the DTM.
As with the Competition Pack, the CS still features BMW's three mode Adaptive M suspension, Active M Differential, M Servotronic electric power steering and 19-inch Michelin Pilot Sport Cup 2 tyres at the front and 20-inches at the rear.
Again mirroring the Competition Pack inside, interior appointments consists of leather and Alcantara finishes, M striped lightweight sport seats, Alcantara M sport steering wheel with 12 o'clock marking, carbon-look M4 CS door sills and illuminated M4 lettering on the seat backrests.
The most significant change comes underneath the bonnet with a power and torque hike for the 3.0-litre turbocharged straight-six engine. Tweaked to deliver 338 kW instead of 331 kW and 600 Nm of torque as opposed to the Competition Pack's 550 Nm, the CS will race from 0-100 km/h in 3.9 seconds, and top out at 250 km/h.
Opt for the optional M Driver's Package though, and speed increases to a limited top whack of 280 km/h. As per BMW's recent announcement that manual transmissions would no longer be offered on any M-cars, the M4 CS comes fitted as standard with a seven-speed M DCT 'box.
Expected to touch down in South Africa later this year in limited numbers, pricing for the M4 CS in Germany starts at €116 900 (R1 664 650), although no local sticker price as yet been announced.
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