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X5 M & X6 M - E70/E71 (2010 - ...) - BMW xDrive with optimum dynamics.

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BMW xDrive with optimum dynamics.

The outstanding success of BMW’s intelligent xDrive all-wheel-drive technology is based on the fact that this sophisticated system conveys traction in a unique manner not only on rough terrain, but also on hard road surfaces, offering outstanding driving dynamics in the process. Electronically controlled, variable power distribution front-to-rear interrupts even the slightest tendency to over- or understeer at the earliest conceivable point, before DSC Dynamic Stability Control is required to cut in.

BMW xDrive also stands out as an intelligent all-wheel-drive system by guiding drive power through a distributor transmission with an electronically controlled multiple-plate clutch in an exact dosage precisely to the right axle where the wheels have the best grip on the road.

To ensure this superior traction sensors constantly measure wheel slip both front and rear. Within fractions of a second, the system is able to vary the distribution of drive power, BMW xDrive, unlike conventional all-wheel-drive systems, looking ahead and acting in advance, without waiting until a wheel starts to spin. This stabilises the vehicle before any slip is able to build up and the driver feels the need to act.

Both the BMW X5 M and the BMW X6 M feature a special xDrive set-up
developed specifically for these two vehicles in the interest of greater drive power at the rear, offering significant benefits under highly dynamic driving conditions and thus fulfilling the demands made of a typical M Car.

Dynamic Performance Control enhancing the driving behaviour typical of BMW M: precise steering response and dynamic acceleration out of bends and on winding roads.

The combination of BMW xDrive optimising traction and pulling force in terms of both stability and driving dynamics, on the one hand, and Dynamic Performance Control in the BMW X5 M and the BMW X6 M, on the other, provides an even higher standard of excellence than before, with the distribution of power being further differentiated between the right-hand and left-hand rear wheel.

Variable distribution of drive power between the rear wheels significantly enhances both steering precision and tracking stability at all speeds, the car following the steering with a much higher degree of precision right from the start even at moderate speed. Dynamic Performance Control then adds further supremacy in highly dynamic steering manoeuvres.

BMW xDrive and Dynamic Performance Control interact most efficiently also in maintaining the vehicle’s driving stability on slippery surfaces. As soon as the vehicle starts to understeer, xDrive reduces the flow of power to the rear wheels “pushing” to the outside and Dynamic Performance Control cuts back drive forces on the outer rear wheel in a bend subject to particularly high centrifugal loads, diverting that drive power to the inner rear wheel.

Possible understeer is prevented in exactly the opposite manner, xDrive
reducing the flow of power to the front wheels “pushing” to the outside, Dynamic Performance Control shifting drive power to the outer rear wheel for optimum stability. As a result, the vehicle enters a bend even more precisely, following the course taken by the driver with greater agility and tracking stability, regardless of road speed.

The difference in drive power acting on the two rear wheels established by Dynamic Performance Control may be anything up to 1,800 Newton-metres. For the driver this means a significant improvement of agility, traction, and driving stability. He also recognises the effect of Dynamic Performance Control by the significant reduction of DSC Dynamic Stability Control cutting in. This enables the driver to use the power of the engine in full longer than before, with DSC slowing down individual wheels or reducing engine power only when driving to the physical limit.

Dynamic Performance Control also develops its stabilising effect as soon as the driver takes his foot off the gas pedal in a bend. Within the final drive an additional superimposed gear unit made up of a double planetary gearing and a multiple-plate brake operated by an electric motor maintains the variable distribution of drive power also in overrun.

In its specific BMW M set-up, Dynamic Performance Control serves furthermore to give the vehicle most dynamic acceleration qualities at the end of a bend: Under high load the distribution of drive forces seeks to convey lateral forces to the highest possible degree, giving the vehicle the highest conceivable level of acceleration.

Looking at the Control Display, the driver is able to monitor the activity of Dynamic Performance Control and xDrive also through a clear visual message. A graphic display available in the vehicle function menu provides clear information on the current distribution of drive forces, a symbolic presentation of the four drive wheels using arrows to show the driver how much power is being spread out to each wheel.


M Dynamic Mode for maximum speed in bends.

Both the BMW X5 M and the BMW X6 M use the potential of both systems in specific M style. Pressing the DSC button on the centre console, the driver is able to activate the M Dynamic Mode (MDM) as an alternative to the basic setting. This special mode raises the DSC control thresholds for intervention by the brakes and the reduction of engine power and, setting up a special xDrive function with more power on the rear wheels while interacting with Dynamic Performance Control, provides the steering behaviour again typical of BMW M.

As a result MDM allows maximum speeds in bends with the control systems intentionally cutting in very late, close to the physical limit. Even under the highest conceivable loads at the apex of a bend, therefore, the vehicle follows the steering and the driver’s commands with absolute precision. And last but certainly not least, the driver is also able to activate the DSC-Off Mode at the touch of a button.

Over and above the stabilising effect provided by intervention in the brakes and the reduction of engine power, DSC in the BMW X5 M and the BMW X6 M comes with a wide range of additional functions promoting both safe and dynamic motoring. These include features such as ABS anti-lock brakes, ASC Automatic Stability Control, Trailer Stability Control, HDC Hill Descent Control, DBC Dynamic Brake Control automatically maximising brake power whenever required, CBC Cornering Brake Control, and Cruise Control with its own brake function.

The electronic Automatic Differential Brake ( ADB-X) serves additionally to provide a differential function automatically applying the brakes on a wheel about to spin and thus enabling the opposite wheel on the same axle to keep on running under the same power and with the same drive force.

Anti-fading is ensured when driving under dynamic conditions and with the brakes at extremely high temperatures by increasing brake pressure to maintain the same stopping power as before. Regular Dry Braking, in turn, optimises the performance of the brakes in the wet. And last but not least the Start-Off Assistant makes it much easier for the driver to set off on an uphill gradient, without the vehicle rolling back.

Both the BMW X5 M and the BMW X6 M come with a parking brake combining electromechanical and hydraulic operation. The parking brake is activated or released by means of a separate button and comes with an Autohold function holding the vehicle in position as soon as it comes to a standstill at a road junction or in stop-and-go traffic, without requiring the driver to press down the brake pedal. Then, as soon as the driver starts out again, the brake is automatically released.

Special M suspension with newly developed Servotronic steering and Adaptive Drive featured as standard.

The suspension developed especially for the BMW X5 M and the BMW X6 M with its double-track control arm front axle and Integral-IV rear axle comes with special M elastokinematics provided by stiffer track control mounts and tiebar hydraulic bearings at the front as well as stiffer axle subframe mounts at the rear. Both models come as standard with air suspension featuring self-levelling on the rear axle, newly developed Servotronic steering as well as Adaptive Drive with electronically adjustable dampers (EDC) and active anti-roll stabilisation.

The Servotronic steering developed specifically for the BMW X5 M and the BMW X6 M provides appropriate steering assistance geared to the actual speed of the car. This ensures comfortable parking with steering forces reduced to a minimum as well as exact feedback and a high level of steering precision at higher speeds.

The degree of steering assistance is defined by two control maps: Apart from the standard configuration, the driver is able, pressing the EDC or, respectively, the M Drive button in the Sports Mode, to activate an uncompromisingly dynamic control map with higher operating forces for very dynamic and sporting driving conditions. This ensures particularly clear feedback from the steering to the driver for superior and sports motoring at all times.

The M set-up of Adaptive Drive also lowers the entire vehicle by 10 millimetres or 0.39" compared with the “regular” BMW X5 and BMW X6, further features being stiffer carrier springs, modified auxiliary springs, a three-way support mounting, and damper configuration with improved connection to the body. All this adds up to provide maximum driving dynamics, motoring comfort and safety at all times. Side sway and body movement are reduced, steering behaviour and the load change response are optimised.

Through its sensors, Adaptive Drive permanently monitors and calculates data on road speed, steering angles, longitudinal and lateral acceleration, body and wheel acceleration, as well as ride levels. Using this information, Adaptive Drive controls and masterminds both the swivel motors in the anti-roll bars as well as the electromagnetic valves on the dampers, thus regulating side sway and the damping effect at all times according to current conditions.

To quickly and reliably process data, Adaptive Drive uses the high-speed FlexRay data transmission system. BMW is indeed the first carmaker in the world to use FlexRay in its cars as a regular technology.

Pressing the EDC button, the driver is able to vary not only the Servotronic control map, but also the set-up of the dampers. Compared with the Normal Mode, this change in set-up reinforces the connection between the dampers and the body in the Sports Mode. Interacting with anti-roll stability, this then provides a very linear build-up of lateral forces in dynamic bends, keeping the driver in superior control all the way to the absolute limit in driving physics.


Intelligent management of driving dynamics: Integrated Chassis Management.

The drive and suspension systems are perfectly orchestrated in their joint network by ICM Integrated Chassis Management. This highly efficient electronic control system coordinates the drivetrain and suspension functions of the BMW X5 M and the BMW X6 M within fractions of a second, ensuring maximum stability and supreme performance at all times and in every situation.

Even under suddenly changing conditions – for example on changing surfaces, with the driver spontaneously turning the steering, when accelerating or applying the brakes abruptly – Integrated Chassis Management responds by controlling the xDrive, DSC, Dynamic Performance Control, Servotronic, and Adaptive Drive actuators with supreme precision. The type and extent of such intervention is consistently masterminded to ensure not only maximum driving stability, but also optimum dynamics at all times.

Powerful, reliable, and light: high-performance brake system.

Outstanding stopping power with fading reduced to an absolute minimum is guaranteed by the high-performance brake system combining four-piston fixed-calliper brakes at the front and swing-calliper brakes at the rear with inner-vented lightweight b rake discs.

The brake discs themselves measuring 395 mm/15.55" in diameter at the front and 385 mm/15.16" at the rear feature a riveted connection joining the aluminium brake holder and the grey-cast-iron friction ring to effectively counteract any heat-induced deformation even under maximum loads.

The BMW X5 M and BMW X6 M are the only vehicles in their segments fitted as standard with different-sized tyres geared specifically to each model and running on 20-inch light-alloy rims all round. The choice of 275/40 R 20 tyres up front and 315/35 R 20 tyres at the rear is yet another result of the set-up of the two vehicles giving greater emphasis to extra power on the rear wheels.

With this ideal combination of tyre sizes in the interest of driving dynamics, both models optimise the transmission of power to the rear wheels as well as the precise and exactly controllable steering behaviour ensured in each case.

Dynamic and stable: bodyshell and safety equipment.

Like the BMW X6 M, the BMW X5 M comes with an extremely stiff bodyshell. To ensure maximum solidity on minimum weight, BMW’s body engineers focused consistently in the development process on intelligent lightweight technology. Both the choice of materials as well as the arrangement and geometry of the support bars, braces and mounts on both models are based on an overall concept combining maximum crash safety with supreme agility in both models.

Forces acting on the body in the event of an accident are diverted through the engine carriers and the chassis along several load paths in order to avoid extreme loads acting on individual structures and keep impact energy away from the stable passenger cell.

Both the BMW X5 M and the BMW X6 M come as standard not only with frontal and hip/thorax airbags, but also with curtain head airbags at the side inflating out of the A-pillar and roof lining cover to protect the occupants both front and rear from injury.

Three-point inertia-reel belts come on all seats, with belt force limiters and, on the front seats, an additional belt tightening function.

To protect the occupants from cervical spine injury in the event of an impact from the rear, the front seats feature crash-activated headrests again as standard. ISOFIX child seat fastenings are likewise standard on the rear seats.

All the restraint systems are masterminded by the vehicle’s central safety electronics taking the type and severity of a collision into account and activating the most effective safety elements in each case. The frontal airbags feature gas generators operating in two stages, allowing individual activation of the airbags in varying intensity as a function of accident severity.

In the event of an upcoming rollover, the rollover sensors activate both the curtain airbags and the belt latch tensioners. Networked with DSC Dynamic Stability Control, these sensors guarantee that the system will operate quickly and according to specific requirements. To avoid bumper-to-bumper accidents from the rear, finally, both models come with Adaptive Brake Lights providing an even better warning to drivers following from behind.

As yet a further feature, both models come as standard with runflat tyres enabling the driver to continue to the nearest workshop even with a complete loss of air pressure in the tyres. In addition, the Tyre Defect Indicator will inform the driver in good time of a gradual loss of air pressure.

Optimum visibility: bi-xenon headlights featured as standard.

Featured as standard, the bi-xenon dual headlights on the BMW X5 M and the BMW X6 M provide not only optimum illumination of the road ahead, but also, through their corona rings, ensure a very practical, safe and reliable daytime driving light function typical of BMW.

Both models come as standard with a lights sensor automatically activating the low-beam headlights as a function of ambient brightness. Two other features also fitted as standard are a rain sensor registering the intensity of precipitation and automatically adjusting screenwiper operation as well as a solar sensor providing information on the degree of sunshine in order to control the automatic air conditioning with utmost precision.

M-specific cockpit and sophisticated driver assistance systems for greater supremacy at the wheel.

The typical style of BMW M also comes out clearly in the design and configuration of the driver’s cockpit. Both of these new all-wheel-drive high-performance sports cars boast a special BMW M cockpit featuring a variable pre-warning field in the rev counter, an oil temperature gauge, specific vehicle function displays and white display illumination all in the instrument cluster.

Both the BMW X5 M and the BMW X6 M come as standard with M seats and an M leather steering wheel as well as knee pads in the centre console offering the driver and front passenger additional stability under highly dynamic driving conditions.

Innovative driver assistance systems also promote the experience of supreme motoring. As an example, both models feature cruise control with a brake function as standard, acting on engine management, the selection of gears and the brakes in order to maintain the speed pre-set by the driver. The system permanently registers the vehicle’s lateral acceleration and reduces the road speed of the car whenever necessary in order to prevent any loss of comfort in bends and on winding roads. And last but not least, cruise control with automatic application of the brakes also provides assistance in driving downhill in a controlled mode – even when towing a trailer – by intervening in the brakes wherever necessary.

Adaptive Headlights and a High-Beam Assistant are available as an option, together with other helpful features and technologies. And to supplement Park Distance Control featured as standard, the customer may also choose a back-up camera with a Top View function.


Dynamic performance at your fingertips: M Drive button on the steering wheel.

Both the BMW X5 M and the BMW X6 M come with drivetrain and suspension technology offering outstanding supremacy at all times together with unparalleled performance whenever required. Choosing the DSC mode as well as the appropriate damper and steering set-up at the touch of a button, the driver is able to opt for either a most dynamic or a more comfortable suspension set-up, as he wishes. Similarly, the driver is also able to configure the drivetrain set-up of the BMW X5 M and the BMW X6 M individually according to his or her personal requirements: Opting for the Power mode acting on both the engine and transmission set-up, the driver has the choice of both the Sports and Efficiency driving programs whenever required.

The Sports driving program allows precise dosage of engine power specifically through the linear increase in output, providing the highly dynamic performance so typical of an M Car. The Efficiency program, in turn, shifts up gears at an early point not only to significantly reduce fuel consumption, but also to allow a relaxed style of motoring using all the engine torque and power available from low engine speeds. The combination provided in this case, therefore, brings together superior efficiency with a high standard of supremacy at the wheel.

In the M Drive menu the driver is able to pre-configure both the Power mode as well as the DSC and EDC set-up. The combination of set-ups chosen thus provides the overall balance of the vehicle preferred by the driver in each case. This combination may be saved conveniently and then retrieved at any time simply by pressing the M Drive button on the steering wheel. So pressing the button just once enables the driver to activate the ideal overall set-up whenever appropriate.

The M Drive menu is the specific M feature supplementing the iDrive control system already masterminding a whole range of vehicle, infotainment, navigation, air conditioning, and communication functions.

Both the BMW X5 M and the BMW X6 M come with the new generation of BMW iDrive. The ergonomically optimised Controller, the direct selection buttons surrounding the Controller, the favourite buttons beneath the radio control panel, and the 8.8-inch Control Display with its high-resolution graphic presentation allow intuitive selection and activation of functions with the driver hardly taking his eyes off the road.

An M-specific Head-Up Display is also available as an option, projecting important information directly into the driver’s field of vision on the windscreen. The type and scope of data presented may also be determined via the M Drive menu, with the driver simply pressing the M Drive button to obtain his or her special M-style presentation. In this case the Head-Up Display highlights the variable pre-warning field in the rev counter and, through its Shift Light function, specifies the optimum point for shifting gears. At the same time the display informs the driver of the gear currently in mesh and the current speed of the vehicle.

Use of the optional Professional navigation system is further simplified by the optimised technical features of BMW iDrive. Full-screen presentation of maps, for example, offers a very detailed overview of the region through which the driver is currently travelling. As an alternative the driver is able to activate an assistance window in the Control Display presenting further details independently of the main map.

When approaching a road junction, to mention another example, the system activates a High Guiding function supporting the driver with clear graphic signals in selecting the appropriate lane on the road.

With navigation data being saved on an 80 GB hard disc installed in the vehicle, access times are even shorter than before. And as a further advantage the data system may also be used as a 15 GB music archive.

Interior in typical M style, personalisation ensured by exclusive options from BMW Individual.

The interior of the BMW X5 M is characterised by generous luxury and the flexible use of space, while the ambience within the BMW X6 M offers a supreme standard of sporting exclusivity. In both cases the equipment and interior design proudly boast that unique style and class so typical of BMW M.

The BMW X5 M offers ample freedom of movement for up to five occupants, with a high standard of motoring comfort also on long distances. Even when using all seats, luggage compartment capacity is a substantial 620 litres or 21.7 cubic feet. And when the driver completely folds down the asymmetrically split rear seat bench, luggage capacity increases to a truly exceptional maximum of 1,750 litres or 61.3 cubic feet.

In the BMW X6 M the rear doors opening up to a wide angle facilitate access to the rear. This unique Sports Activity Coupé comes with single seats also at the rear providing superior side support and featuring integrated headrests. At 570 litres or almost 20.0 cubic feet, the luggage capacity available behind the rear seats exceeds that of a regular coupé by far.

The BMW X6 M comes with a strong, folding luggage compartment cover stowing away very practically beneath the floor of the luggage compartment for transporting bulky objects. To increase transport capacity, the driver and occupants may again fold down the asymmetrically split rear seat backrests, increasing luggage volume to a maximum of 1,450 litres or 50.8 cubic feet. And last but not least, the BMW X6 M comes as standard with an automatic opening and closing function on the tailgate.

Adjusting electrically to a wide range of different positions and featuring individual heating controls, the M seats in both models are finished as standard in BMW Individual Merino leather. The natural grain and soft surface of this high-class leather is particularly elegant and offers an unusually pleasant surface touch.

It almost goes without saying that all the leather used is free of even the slightest blemish or irregularity on the surface, just as it is treated naturally, without any artificial treatment of the surface structure.

The final surface effect is indeed provided by a special pigmentation process ensuring complete penetration of the desired colour in a very preserving and mild application maintaining the soft and supple surface of the leather with its active breathing effect and open-pore structure.

Leather upholstery comprising not only the seats, but also the centre console, the armrests, the door panels and door closing handles is available in either Black, Silverstone or Bamboo Beige. The seats feature special M seams in a particularly attractive pattern and the M logo is embossed in the headrests on the front seats.

Full leather upholstery in Merino quality is available as an option, with leather finish also on the back of the seat backrests and the door lining frame, plus the further choice of Cinnamon and Sakhir Orange as additional colours.

The BMW X6 M furthermore comes as standard with a BMW Individual instrument panel finished in leather, with the upper section in soft nappa and the lower section in Merino leather.

A wide range of high-class interior trim offers further options in emphasising one’s personal style. As standard the BMW X5 M and the BMW X6 M feature interior trim in brushed Aluminium Shadow, and as an alternative both models are available as an option with BMW M interior trim in Carbon Structure leather finished in Black and genuine wood trim again from BMW Individual. The two colours available in this case are Piano Paint Black and Eucalyptus Bar Reddish Brown.

BMW ­ ConnectedDrive with enhanced emergency call and new remote functions.

The BMW Assist telematics service forming part of the BMW ­ConnectedDrive philosophy with its wide range of individual functions is available for both the BMW X5 M and the BMW X6 M. Apart from personal enquiry services and the latest traffic information, BMW Assist now also includes an enhanced emergency call function with automatic detection of the car’s location.

In the event of a collision reaching a certain level of severity, the system auto­matically delivers data on the car’s current location as well as the vehicle itself, together with further data collected by the car’s sensors providing more details on the type of collision and the occupants’ risk of injury, which all goes to a BMW Call Center. From there this information is transferred immediately to the nearest rescue service.

BMW ­ConnectedDrive will in future also offer the customer support through the BMW Call Center in cases which so far required a breakdown service. Should the driver forget his key in the closed luggage compartment or if a young occupant in the car has locked the doors from inside, for example, all the customer has to do from now on is call the BMW Call Center. Then, once the customer’s identity has been clearly determined, the Call Center is able to unlock the car through a remote function. Conversely, the BMW Call Center may also lock the car through the same remote function should the driver have forgotten to do so.


Extra comfort, fresh air and audio quality provided by four-zone automatic air conditioning, the glass roof, and the BMW Individual High End audio system.

Both the BMW X5 M and the BMW X6 M come as standard with a HiFi audio system featuring 12 loudspeakers and 230 Watt amplifier output, M door entry strips, an M footrest, BMW Individual roof lining in Anthracite, and a Lights Package.

As an alternative to the two-zone automatic air conditioning featured as standard, the customer also has the choice of four-zone automatic air conditioning providing individually adjustable temperatures at the rear. Further options include active seat ventilation, a panorama glass roof for the BMW X5 M, and an electrically operated glass roof on the BMW X6 M.

The BMW X5 M is also available with a towbar incorporating an electrically swivelling ball head, while the BMW X6 M comes as an option with a towbar using a removable ball head. Maximum towing capacity in each case is three tonnes.

A truly exceptional experience in dynamic sound is provided as an option by the BMW Individual High End audio system tailored exclusively to the respective model. No less than 16 high-performance loudspeakers with neodym magnetic drive and extremely stiff hexacone membranes, a digital nine-channel amplifier with maximum output of 825 Watt and precise frequency switches guarantee inimitable quality of sound.

Yet another feature quite unique in the automobile is Dirac Live technology for processing audio signals, correcting the loudspeaker pulse response whenever necessary for linear sound reproduction and exactly balanced playback within the vehicle. The quality of sound ensured in this way in playing back even the most demanding music will offer not only the driver, but rather all occupants a truly dynamic experience of sound absolutely faithful and true-to-life to the last detail.

Speed-related volume control and speed-related equalising likewise ensure an optimum experience in sound in every situation.

The BMW Individual High End audio system is masterminded by the iDrive Controller. The basic functions of the system, finally, are controlled by the audio switches on the centre console, in the same way as with all other entertainment systems.

Last Updated on Saturday, 01 May 2010 18:02  

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