BMW M4 Turbo DTM
The BMW M4 Turbo DTM is a "Class One" touring car constructed by the German car manufacturer BMW for use in the Deutsche Tourenwagen Masters. It will be a turbocharged variant of its predecessor, the BMW M4 DTM that had a naturally aspirated engine. The M4 Turbo DTM is still based on the production BMW M4. The BMW M4 Turbo DTM made its DTM début in the 2019 DTM season and will be used until 2021 season. The M4 Turbo DTM is the BMW's second-turbo powered DTM car ever to date and first overall DTM turbo-powered machine since Ford Sierra Cosworth RS500 Turbo DTM in 1989.

Design

Chassis
BMW carried over the M4 DTM race car for it to undergo major development for the Class One project which will be used for the 2019 season and beyond and rebrand it as BMW M4 Turbo DTM. The aerodynamic packages of the M4 Turbo DTM also has significant changes including the front splitter length cut to 90 millimetres, radiator grill revamp, rear wing width increased to 520 millimetres and also DRS improvement to make cars aggressive for overtaking compared to the naturally aspirated BMW M4 DTM.

The design also features the new firewall interior cockpit protection to deflect debris away from a driver's head in the event of an accident.

New engine
The M4 Turbo DTM features a brand-new engine package built specifically for the car. The aging BMW P66/1  V8 naturally-aspirated engine—which had been used since 2012 with BMW M3 DTM—was replaced by a  inline-4 turbocharged direct-injected engine developed by BMW. The BMW P48 Turbo engine uses Garrett as the new turbo supplier.

Début
The first shakedown run of the BMW M4 Turbo DTM was on 27 October 2018, by Bruno Spengler at BMW headquarters in Munich, Germany. The official race début of BMW M4 Turbo DTM was at the 2019 Hockenheimring 1 DTM round on 4 May 2019. BMW Team RMG's Marco Wittmann won the inaugural pole and won the first race with the M4 Turbo DTM car.