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Overview
xDelete
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not only
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allows you to switch your xDrive ON
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and OFF
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but also
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to customise its behaviour. The settings available are ON, OFF, Sport, Snow and Custom, which
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allows you to choose the amount of power transferred to the front
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wheels (for F-Series only, ON, OFF and Sport are available).
Please note that the xDrive AWD
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system is
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essentially a clutch
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that can be
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opened and closed in stages to regulate
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maximum torque
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to the front wheels. It is not an active differential
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as found in off-road vehicles.
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This means the maximum power split between the axles is 50/50
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front/
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rear, while the minimum is 0/100
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front/
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rear. With this system, it is technically
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impossible to send more than 50% of the power to the front wheels
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. The
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stability system (DSC) and the
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transfer case unit (VGSG) coordinate to set the
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maximum torque to be transferred to the front wheels
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depending on the driving situation. The main inputs are:
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Torque output from
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transmission (or Engine)
Steering
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wheel angle
ABS operation
xDrive ON
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Your car will drive completely
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normally. The maximum power transmitted to the front wheels depends on
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the type of
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transfer case you have, but is usually
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around
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1100 - 1300 Nm (
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800 - 950 ft-lb).
xDrive is
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set up to
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maximise traction and always keep the car stable
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.
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Be careful |
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when using staggered wheels as they |
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must be within a certain range. |
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See our FAQ |
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for more information. |
xDrive OFF
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Your car will drive like
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an RWD
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car. The power transmitted to the front is always kept at 0 Nm
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.
This means that the power split between the front and rear is 0/100
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front/
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rear. Please note
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that the xDrive clutch is
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immersed in oil and therefore, a small amount of power will always reach the front wheels, even
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when the clutch is fully open. For
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example,
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all
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four wheels will still
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be turning on a lift, but you
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can still hold the front wheels
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with your bare hands.
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DO NOT |
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try to test |
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with your bare hands whether the front wheels can be stopped on a lift. We have already tested it |
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for you. |
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This is the only recommended configuration |
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for using a staggered wheel setup outside of |
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BMW |
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's recommendations. For more |
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information, please refer to our FAQ |
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s on running staggered setupsor |
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In this configuration, the xDrive system prioritises the power sent to the rear wheels but still does send some power to the front wheels. Even if the rear wheels
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spin, only limited power is sent to the front wheels
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to
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prevent understeer on wet and dry
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surfaces. This setting will
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make your car
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more "tail-happy" (compared to
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the standard car) but will still
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provide enough traction on corner exits to
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keep the throttle wide open, even in
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1st and 2nd gear.
This setting is NOT intended to be used for
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burnouts or on 2WD
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dynos!
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The transfer case constantly monitors the relative speed between
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the front and rear wheels and will put your car
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into limp mode if there is too much relative movement over
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a long period. It is safe to use for normal road use,
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track use and
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drifting sessions.
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Please use our Live-Data-Feed to monitor your |
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clutch load during sporty driving. |
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should never exceed |
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50% for any length of time. |
| Warning |
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Be careful |
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when running staggered setups, as they |
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must be within a certain range. |
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in this mode. |
xDrive Snow
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The Snow setting works in a similar way to
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“Sport”
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but sends even less torque to the front
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wheels to take into account the lower friction of snow-covered roads. The Snow setting
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makes your car behave
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more like an RWD
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car on
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snow but
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gives you
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extra traction
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while keeping understeer to a minimum.
This setting also allows small burnouts
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but must not be used on 2WD
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dynos.
| Info |
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Please use our Live-Data-Feed to monitor your |
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clutch load during sporty driving. |
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should never exceed |
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50% for any length of time. |
| Warning |
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Be careful |
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when running staggered setups, as they |
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must be within a certain range. |
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in this mode. |
xDrive Custom
xDrive Custom
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You can configure your
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torque transmission rate from 0-100%. 100% is similar to
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the standard, while 0% is similar to
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“xDrive OFF”.
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“Snow” and
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“Sport” settings are in between. (approx. 20% and 50%) Please use the custom setting with caution and use our
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live data feed to monitor your
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clutch stress. Also
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, follow the
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general rules
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mentioned with the Snow and Sport
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settings.
Do NOT
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ride with staggered wheels
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at any setting above 0%.
| Info |
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Please use our Live-Data-Feed to monitor your |
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clutch load during sporty driving. |
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should never exceed |
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50% for any length of time. |
| Warning |
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Be careful |
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when running staggered setups, as they |
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must be within a certain range. |
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