BMW is limiting the use of carbon fibre in favour of cheaper lightweight components including aluminium and steel to ensure higher fuel - efficiency and ranges as well as profits . The manufacturer ’s new 5-series already uses these alternatives for its major components , however efforts are nevertheless being made to reduce the cost of carbon fibre by putting them in mass production .
BMW is limiting the use of carbon fibre in favour of cheaper lightweight materials including aluminium and steel to ensure higher fuel-efficiency and ranges as well as profits. The manufacturer’s new 5-series already uses these alternatives for its major components, however efforts are nevertheless being made to reduce the costs of carbon components by putting them in mass production.