Video of the week: The new BMW X5 M and X6 M

The new BMW X5 M and new BMW X6 M combine the characteristic features of the BMW X family with the commitment to high performance that defines an M car. The latter is highlighted by the cars’ performance figures. Both models complete the sprint from 0 to 100 km/h (62 mph) in 4.2 seconds in conjunction with the standard eight-speed M Steptronic transmission.

The new BMW X5 M and new BMW X6 M (fuel consumption combined for both models: 11.1 l/100 km (25.5 mpg imp); CO2 emissions combined for both models: 258 g/km) see BMW M GmbH setting the pace in the high-performance Sports Activity Vehicle (SAV) and Sports Activity Coupe (SAC) segment. When the previous generation of the two cars arrived in 2009, it was the first time the high-performance character distilled by BMW M GmbH had been transplanted into an all-wheel-drive BMW X model.

M TwinPower Turbo engine

The new M TwinPower Turbo engine for the BMW X5 M and BMW X6 M is the most powerful unit ever developed by BMW for an all-wheel-drive vehicle. Boasting M TwinPower Turbo technology with a pair of TwinScroll turbochargers, cross-bank exhaust manifolds, VALVETRONIC and Direct Petrol Injection, the 4.4-liter V8 produces maximum output of 423 kW/575 hp between 6,000 and 6,500 rpm. That represents a four per cent increase over the predecessor models. Peak torque has been boosted by 70 Nm (52 lb-ft), which equates to a rise of 10 per cent. Its 750 Nm (553 lb-ft) can be enjoyed across a broad rev range between 2,200 and 5,000 rpm.

The BMW X5 M and X6 M chassis

The new BMW X5 M and BMW X6 M are equipped with double-wishbone front suspensions which feature revised kinematics. A modified upper wishbone (increase in camber, optimized camber progression and steering pivot axis) allows a further increase in cornering force potential and agility. At the same time, M-specific elastokinematics with more rigid bearings improve wheel guidance and therefore directional stability – both at the front axle and the Integral-IV rear axle (a spatial suspension system with anti-squat and anti-dive). Firmer suspension spring tuning and a 10-millimeter drop in ride height team up with the Dynamic Drive active roll stabilization system to bring about a reduction in body roll and movement. In addition, the BMW X5 M and BMW X6 M come as standard with air suspension with self-levelling at the rear axle. Plus, Dynamic Damper Control with electronically adjustable dampers – the driver can select from three modes (COMFORT, SPORT and SPORT+) at the touch of a button – ensures an optimal balance between dynamic flair and ride comfort.

The BMW X5 M and X6 M eight-speed transmission

The new BMW X5 M and new BMW X6 M send their engine power to the wheels via the newly developed eight-speed M Steptronic transmission with Drivelogic, which mirrors the operating concept of the M Double Clutch Transmission used by other M models. With its instantaneous responses, rapid gear changes and super-direct reaction to load changes, the torque converter auto links up with the new higher-torque turbocharged engine. At the same time, its wider ratio spread allows it to offer a drop in fuel consumption over the six-speed transmission of the previous-generation cars, as well as an increase in driving comfort and improved performance. This is also the first torque converter to enable “creep on demand” through the Low Speed Assistant.

Source: BMW

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