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BMW M4 Turbo DTM

From Wikipedia, the free encyclopedia

BMW M4 Turbo DTM
CategoryDeutsche Tourenwagen Masters (Class One Touring Cars) and Super GT GT500 Class One car
ConstructorGermany BMW
Designer(s)Michael Scully
PredecessorBMW M4 DTM (NA)
SuccessorBMW M4 GT Pro
Technical specifications
ChassisCarbon-fibre reinforced plastic monocoque with a steel tubing roll cage
Suspension (front)Double wishbone axle with struts and 6-way adjustable ZF Sachs shock absorbers; H&R coil springs
Suspension (rear)As front
Length4,725 mm (186 in) excluding rear wing; 4,958 mm (195 in) including rear wing
Width1,950 mm (77 in)
Height1,200 mm (47 in)
Axle track1,950 mm (77 in)
Wheelbase2,750 mm (108 in)
EngineBMW Power P48 Turbo 2.0 L (122 cu in) inline-4 direct-injected with 4-stroke piston Otto cycle inter-cooled with efficiency combustion process and greater emission engine burning, single-turbocharged (supplied by Garrett), front engined, longitudinally mounted
TransmissionHewland DTT-200 6-speed + 1 reverse sequential semi-automatic paddle shift with limited-slip differential
BatteryBraille B128L Micro-Lite lithium racing battery 12 volts
Power610 + 30 hp (455 + 22 kW) (2019) later 610 + 60 hp (455 + 45 kW) (2020-present)[1] including push-to-pass
Weight986 + 84 kg (2,174 + 185 lb) including driver and fuel (1,070 kg (2,359 lb) of total weight)
FuelDTM-mandated Aral Ultimate unleaded 102 RON racing gasoline
LubricantsShell Helix Ultra and Orlen (privateer only)
BrakesAP Racing carbon brake discs with 6-piston calipers and pads
TyresHankook Ventus
ATS (2019-present)
ClutchZF 4-plate carbon fibre reinforced plastic clutch
Competition history
Notable entrantsGermany BMW Team RMG
Belgium BMW Team RBM
Belgium BMW Team RMR
France BMW Team ART
Notable driversGermany Marco Wittmann
Germany Timo Glock
Canada Bruno Spengler
Austria Philipp Eng
Sweden Joel Eriksson
South Africa Sheldon van der Linde
Italy Alex Zanardi
Japan Kamui Kobayashi
Austria Lucas Auer
South Africa Jonathan Aberdein
Poland Robert Kubica
Debut2019 DTM Hockenheim round
RacesWinsPolesF.Laps
38 (including Super GT × DTM Dream Race non-championship joint-event at Fuji Speedway)878
Constructors' Championships0
Drivers' Championships0

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. The M4 Turbo DTM is the BMW's second turbo-powered DTM car.[clarification needed]

BMW M4 Turbo DTM will be also the last BMW "Class One" vehicle in the DTM to date.

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 4.0 L (244 cu in) V8 naturally-aspirated engine—which had been used since 2012 with the M3—was replaced by a 2.0 L (122 cu in) inline-4 turbocharged direct-injected engine developed by BMW. The BMW P48 Turbo engine utilizing Garrett as the new turbo supplier. To comply with Class 1 regulations, the new BMW M4 Turbo DTM has an exhaust tip ending at the right side, rather than its naturally-aspirated predecessor, which had exhaust tips on both sides.

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.[2] 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.

References

  1. ^ Haidinger, Sven (26 December 2019). "DTM-Hersteller einig: Push-to-pass 2020 doppelt so stark, mehr Freiheit bei DRS". motorsport-total.com (in German). Motorsport Total GmbH. Retrieved 26 December 2019. CS1 maint: discouraged parameter (link)
  2. ^ "BMW begins testing new Class One engine for 2019 DTM rules". Autosport.com. 27 October 2018. Retrieved 27 October 2018. CS1 maint: discouraged parameter (link)

External links

This page was last edited on 4 March 2021, at 09:21
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