M4 motorway not signed, European route E30 includes most of the M4. The M4 has two sections of smart motorway. The one between junctions 19 (M32) and 20 (M5) north of Bristol has variable speed limits and a part-time hard-shoulder. Completion was in summer 2014. The section between junctions 24 and 29 in Newport has variable speed limits. In 2010 it was announced that a smart motorway would be constructed between junctions 3 and 12, with work starting in Autumn 2018. This will be the longest smart motorway scheme in the United Kingdom, with a length of 51km (32 miles). Work is
BMW M4 DTM BMW M4 DTM The BMW M4 DTM is a DTM touring car constructed by the German car manufacturer BMW. It was developed in 2013 and has been raced in DTM seasons since 2014 through 2018 before being replaced by turbo-updated BMW M4 Turbo DTM. It was designed by BMW chief engineer Dominic Harlow. The M4 DTM, which replaced the retired BMW M3 DTM at the end of the 2013 season, is based on the production BMW M4. The first model made its first appearance in the wind tunnel at the BMW Group’s Aero Lab on 22 April – 13 days