Just two items produce the added front downforce, a front spoiler lip extended 15 mm closer to the ground and a pair of carbon
fibre gurney flaps just before the wheel arches help alter airflow around the wheels without increasing overall drag.
The rear wing is just a carbon -
fibre Gurney flap on the bootlid and there's a fixed front splitter.
Not exact matches
There's plenty of carbonfibre in evidence with a new carbon front splitter,
gurney flap rear spoiler and rear diffuser while the front bonnet is also made from carbon
fibre and features the large cooling duct first seen on the M4 GTS.
While the large rear three - quarter panel is steel, the bonnet and the front quarter panels are aluminium and the roof and the boot (including the aero - friendly
Gurney bubble) are made from carbon -
fibre.
All of our
Gurney flaps are manufactured in - house at our premises in Colchester, UK and compatible with our range of Universal Carbon
Fibre Rear Wings and Lotus Carbon
Fibre Rear Wings.
The BMW M4 CS features a bare carbon
fibre front splitter, and rear
gurney spoiler, as well as a carbon bonnet and roof, and a mode - specific rear diffuser.
While the large rear three - quarter panel is steel, the bonnet and the front quarter panels are aluminium and the roof and boot (including the aero - friendly
Gurney bubble) are made from carbon -
fibre.
A carbon
fibre rear diffuser and flat underbody generate significant downforce, with an active rear wing, complete with a
gurney flap on the leading edge, boosting the level further still.
The BMW M3 Sedan, for example, is fitted with a
Gurney spoiler to reduce lift, while the tailgate of the BMW M4 Coupe features an integrated rear spoiler and is made from particularly lightweight carbon -
fibre - reinforced plastic.
The bonnet, roof, front splitter,
gurney, rear diffuser and even the single - piece drive shaft consist of carbon
fibre - reinforced plastic (CFRP).