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BMW | M3 and M4 with more Power and Manual Shift
BMW is equipping the new M3 and M4 with more powerful engines and offers the sports models with both eight-speed automatic and six-speed manual transmissions. The 3.0-l in-line six-cylinder gasoline engine used (stroke × bore: 90 × 84 mm, compression ratio: 9.3 : 1) with two mono-scroll turbo chargers and indirect intercooling produces a maximum of 353 kW at 6250 rpm and 550 Nm (2650 to 6130 rpm) in the standard version, an increase in output
of 36 kW at the same torque. In the M3 and M4 Competition, up to 375 kW (6250 rpm) and 650 Nm torque (2750 to 5500 rpm) are available, 44 kW and 100 Nm more than the predecessor. Direct gasoline injection with a maximum pressure of 350 bar is intended to improve power delivery and torque. A cooling system with an additional engine oil cooler and separate transmission oil cooler on the Competition ensures optimum operating temperatures at all times.
VW | ID.4 First Electric SUV
© Volkswagen
With the ID.4, VW has introduced the brand’s first battery electric SUV. In the edition models available for the market launch, a permanently excited syn chronous machine positioned in front of the rear axle with a maximum of 150 kW and 310 Nm torque drives the wheels via an input gearbox. The maximum speed is limited to 160 km/h. A top model with more power and all-wheel drive is to follow in 2021. The lithium-ion battery placed under the floor between the axles with 12 cell modules each consisting of 24 pouch cells has a net energy content of 77 kWh and weighs 493 kg. The range is 490 km according to WLTP. The ID.4 can be recharged with up to 125 kW of power at DC quick charge stations. With alternating current via the “ID.Charger”, a maximum of 11 kW is possible.
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Inficon | Testing Device for Battery Cells
Opel | Astra with Continuously Variable Transmission Opel now offers the new Astra and Astra Sports Tourer with an optional continuously variable transmission. It is available in combination with the turbocharged 1.4-l direct injection gasoline engine with a maximum of 107 kW (5000 to 6000 rpm) and 236 Nm torque (1500 to 3500 rpm). “Lightweight vehicles and engines with a maximum torque of 300 Nm are particularly well suited for such continuously variable transmissions,” says Peter Naumann, Opel chief engineer for automatic transmissions. “The drive offers the best possible compromise between fuel efficiency, com fortable noise and vibration damping and a lively response when accelerating in any load condition.”
MTZ worldwide 12|2020
Audi | A3 Plug-in Hybrid Version Audi has presented the plug-in hybrid version of the fourth A3 generation. The combustion engine used is a turbocharged 1.4-l fourcylinder gasoline engine with a maximum of 110 kW (1550 to 3500 rpm) and 250 Nm torque (1550 to 3500 rpm). The electrical component is provided by a redesigned per manently excited synchronous machine with higher power density than its predecessor and 80 kW and 330 Nm torque. At peak times, the drive delivers a system
