BMW X3 E83 owners manual page 52

text version of content this owner's manual page from owners manual to the vehicle BMW X3 E83, year of production 2003 - 2010:

Limits of the system Electronic brake-force distribution Even with PDC, final responsibility for EBV estimating the distance between the EBV controls the brake system's applica- vehicle and any obstructions always tion pressure at the rear wheels to ensure remains with the driver. Even when sensors stable deceleration. are involved, there is a blind spot in which objects cannot be detected. The system is Dynamic Brake Control DBC also subject to the physical limits that apply The Dynamic Brake Control actively sup- to all forms of ultrasonic measurement, ports the driver in dangerous braking situa- such as those encountered with tow bars tions. Quickly pumping the brake pedal and trailer couplings, or thin and wedge- increases the braking effect with low pedal shaped objects etc. Low objects already pressure so that the shortest possible displayed, e.g. a curb, can also disappear braking distance is achieved. This system from the detection area of the sensors exploits all of the benefits provided by ABS. again before a continuous tone sounds. Do not reduce the pressure on the brake Loud sources of sound, inside and outside pedal for the duration of the brake applica- the vehicle, could drown out the PDC sig- tion. DBC is deactivated when you release nal tone.< the brake pedal. Keep the sensors clean and free of ice or snow in order to ensure that they Dynamic Stability Control DSC will continue to operate effectively. Do not apply high pressure spray to the The concept sensors for a prolonged period of time. DSC maintains vehicle stability, even in Keep the spray at least 4 in/10 cm away critical driving situations. from the sensors.< The DSC is operational every time you start the engine. Driving stability control The system optimizes the driving stability systems during acceleration and when starting from a standstill. The system recognizes any Your BMW is equipped with an extended tendency for the vehicle to assume an array of systems designed to enhance and unstable attitude such as oversteer or maintain vehicle stability under extreme understeer; it then counteracts this ten- conditions. The following section describes dency with a combination of graduated these functions based on ABS, DSC, HDC reductions in engine torque and selective and xDrive. braking intervention at individual wheels. DSC provides optimal stability within the Antilock Brake System ABS limits defined by the laws of physics. ABS enhances active safety by preventing The laws of physics cannot be the wheels from locking under braking. The repealed, even with DSC. An appro- vehicle continues to be steerable during priate driving style always remains the hard braking. responsibility of the driver. Avoid using the Technology for comfort, convenience and safetyABS also includes Electronic brake-force additional safety margin provided by the distribution EBV. system as an excuse for taking unneces- Safe braking, refer to page 77. sary risks. Do not make any modifications to the DSC system. Never allow anyone other than authorized professional technicians to carry out service or repairs on the system.< 50 Online Edition for Part No. 01 41 0 157 631 - © 07/03 BMW AG

owners manual BMW X3 E83

owners manual BMW X3 E83 - year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 - BMW X3 E83 owners manual EN