BMW E61 Sports Wagon 530xiT Owner'S Manual Download Page 66

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E61 Sports Wagon

Bus System

The following changes have been implemented from April 2005 production:

• Addition of HKL (E61 only)

• Addition of EHC (E61 only)

• Replacement of SHD for MDS (E61 only)

• Lamp Module (LM) is on the PT-CAN

• Elimination of the AHL control unit

E61 Bus Overview

General Vehicle Electrical Systems

Summary of Contents for E61 Sports Wagon 530xiT

Page 1: ...trol Unit 17 DXC8 Control Unit 18 Wheel Speed Sensor 18 DSC Sensor 19 Bus Overview 19 Principles of Operation 20 Power Flow 20 DSC DXC8 Control Unit 21 Transfer Case VGSG Control Unit 21 Transfer Case...

Page 2: ...ection 50 Interior 51 Luggage Compartment 51 Luggage Compartment Roller Cover 53 Headliner 55 Seats 56 Front Seats 56 Rear Seats 56 Rear Hatch 58 Automatic Rear Hatch HKL 61 System Components 62 Hydra...

Page 3: ...Wagon E61 Sports Wagon Model 530xiT Production From April 2005 After completion of this module you will be able to Know the differences between the E60 and E61 Know the location of various components...

Page 4: ...th the six cylinder variants N52 and the eight cylinder variant N62MU All wheel drive capabilities with the xDrive transfer case only on six cylinder variants 525xi 530xi 530xiT Hydraulically controll...

Page 5: ...rent in the interior more head and shoulder clearance and a good 4 centimeters more knee space for rear passengers 5 E61 Sports Wagon in mm E61 E39 2 Difference Vehicle length 4843 4805 38 Vehicle wid...

Page 6: ...in the E65 The advantages of an air spring on the rear axle can be felt particularly in vehicles with high payload such as a sport wagon as mainly the axle load at the rear axle changes when loading a...

Page 7: ...body between the spare wheel well and battery box Since the air required to raise the vehicle can no longer be drawn from the vehicle interior air must be taken via a filter from a protected area The...

Page 8: ...fixed transmission ratio as is the case with the previous systems Instead distribution of the drive torque is dependent on the clutch lockup torque of the controlled multi disc clutch in the transfer...

Page 9: ...e DXC8 system adds features to the DSC8 system already in use in the E60 sedan and combines features used in other DXC systems E53 83 Due to the mechanical composition of the xDrive system the program...

Page 10: ...System Circuit Diagram 10 E61 Sports Wagon...

Page 11: ...dule FPM not for US 12 Digital motor electronics DME control unit 13 Wheel speed sensor front right 14 Handbrake switch 15 Dynamic traction control DXC8 16 Wheel speed sensor rear right 17 Brake wear...

Page 12: ...12 E61 Sports Wagon NOTES PAGE...

Page 13: ...omotor with motor position and temperature sensor Coding classification resistor Transfer case control unit DXC8 control unit Wheel speed sensor DSC sensor Y sensor 2 Index Explanation Index Explanati...

Page 14: ...aid of spur gears pinions resulting in a modified design of the transfer case The actuator drive and the actuation of the control lever were also modified The clutch package remains unchanged The for...

Page 15: ...driven ATC 300 400 uses a four bolt flange to connect to the front propeller shaft vs ATC 500 which uses a splined connection ATC 500 utilizes one more disc in the multi disc clutch than the ATC 300 4...

Page 16: ...rive unit is a DC motor with worm drive It also features a Hall sensor that serves the purpose of determining the position and the adjustment speed of the motor shaft The position of the motor shaft d...

Page 17: ...e resistance value once and the optimum program map for the transfer case fitted is selected Transfer Case Electronic Control Unit The transfer case control unit VGSG is on CAN bus Depending on the ve...

Page 18: ...Active wheel speed sensors with an integrated evaluator circuit are used together with the xDrive The active wheel speed sensors require a power supply for their operation The output signal is sent as...

Page 19: ...longitudinal acceleration sensor for the drive off assistant function Bus Overview The transfer case control unit VGSG is on the PT CAN VGSG shares information with DSC for overall xDrive control and...

Page 20: ...ar axles turn at the same speed Driving torque distribution front rear is based on available traction at each axle For example when traction is identical on the front and rear axles and a driver accel...

Page 21: ...her ranking traction and vehicle dynamics regulator corresponding to the driving situation The DXC8 control unit sends the data concerning the lockup torque on the PT CAN to the transfer case control...

Page 22: ...rse reduced by this torque The advantages of variable distribution of the drive torque at the front and rear axles are Optimum utilization of the lateral cornering and wheel peripheral forces applied...

Page 23: ...o occur in the transfer case clutch or at the contact area between tire and road If the slip is permitted in the transfer case clutch the locking pressure set by the pre con trol is reduced in order t...

Page 24: ...ctional values at the front and rear axle e g when the rear axle is on a sheet of ice the pilot control ensures extremely rapid system response as illustrated in the graphic below In addition as oppos...

Page 25: ...Open Transfer Case vs xDrive 25 E61 Sports Wagon Index Explanation M Driving Torque M VA Driving torque on front axle t Time...

Page 26: ...aphic in the event of an oversteer tendency the transfer case clutch is completely engaged and the maximum supportable driving torque on the front axle is transmitted This helps to pull the front of t...

Page 27: ...d with extend ed control thresholds This strategy is continued until useful four wheel drive control is no longer possible In this event the driver is alerted by the DSC xDrive lamp coming on in the i...

Page 28: ...Brake ADB X function which applies the brakes to the wheels per axle for side to side torque transfer For example when a wheel is spinning on one side up to the slip setpoint the brakes are applied t...

Page 29: ...ld up of braking pressure at all four wheels so that the vehicle drives downhill at a speed of approx 7 5 mph 12 km h The HDC function is activated in the central information display via the menu Sett...

Page 30: ...ieving improved braking response in wet condi tions While doing so the pressure in the brake system is increased by approx 1 bar and the brake pads are applied for approx 1 5 seconds Dry braking takes...

Page 31: ...owing conditions Driving speed 70 km h Minimum time between brake application 8 s The brake standby function is not activated in connection with sudden acceleration sports driving style The DME DDE co...

Page 32: ...axle just before the vehicle comes to a stop This consequently reduces the positive acceleration peak per ceived by the occupants by approx 50 while extending the action time The speed and standstill...

Page 33: ...inishing fading For this purpose the temperature of the brake disc is calculated by means of a tempera ture model contained in the DXC8 software The braking pressure applied by the driver is measured...

Page 34: ...ally in the system When driving off the braking pressure is not reduced before the torque is sufficient for the vehicle to drive off The holding pressure in the brake system 10 to max 70 bar is depend...

Page 35: ...35 E61 Sports Wagon NOTES PAGE...

Page 36: ...ounts for normal dry road driving Integrator 1 adverse road driving Integrator 2 other road extreme driving Integrator 3 Depending on individual vehicle use driving styles and driving conditions the t...

Page 37: ...ol unit VTG and the DSC control unit are programmable and the new control unit s must be programmed when replaced The wear values stored in the VTG control module to be replaced must be transferred to...

Page 38: ...nering Drive with moderation Have checked by your BMW dealer as soon as possible Control systems Drive with moderation Brake and vehicle control systems failed Reduced braking and vehicle stability Av...

Page 39: ...ed Drive with moderation Have checked immediately by your BMW dealer HDC enabled HDC disabled HDC disabled Hill descent control HDC is disabled at speed above 60 km h 37 mph System can be re enabled a...

Page 40: ...Body The E60 and the E61 are identical in body structure and design from the front bumper to the B pillar 40 E61 Sports Wagon E61 Body Modifications...

Page 41: ...at the rear The roof frame features additional reinforcement in the area of the C pillar The roof outer skin panel is new To increase the body rigidity a V shaped tension strut is fitted on the under...

Page 42: ...rear doors are the same as on the E60 but with the following variations specific to the Touring New features are Inner window frame cover Outer window frame Window guide rail Outer weatherstrip Windo...

Page 43: ...Interface Drive motor Relay Hall Sensor Power Supply The Multi Drive Sunroof MDS controls and monitors the electric motors and therefore the movement of the panorama glass sunroof The MDS is installed...

Page 44: ...for analysis Floating Headliner The floating headliner consists of two parts controlled by a Bowden Cable The headliner is interlocked to the function of the glass roofs The headliner must be opened...

Page 45: ...e by using the vehicles speed signal System Operation Operation of the panorama sunroof is similar to the conventional slide tilt sunroof It func tions both as a tilting sunroof and a slide tilt sunro...

Page 46: ...e control button is released Automatic opening of panorama glass sunroof by sliding the button beyond the pressure point to the second detente position Panorama glass sunroof is automatically opened t...

Page 47: ...unroof by sliding the button beyond the pressure point to the second detente position Floating headliner or glass tilt sunroof or slide tilt sun roof are fully closed Double click function Automatic c...

Page 48: ...yond the pressure point to the second detente position Panorama glass sunroof is fully opened to raised posi tion and the floating head liner is moved to the vent position After opening panorama glass...

Page 49: ...the suction effect at high road speeds Wind Deflector The wind deflector is regulated according to road speed When the sunroof is opened the wind deflector goes from the down position to the intermed...

Page 50: ...will result in improper initialization During initialization the panorama sunroof will operate as follows Both sunroof panels enter tilt position Headliners enter Vent Mode Both Headliners open Both...

Page 51: ...s standard on the floor of the luggage compartment The vehicle tool kit is located in a utility box on the left hand frame side member The lockable luggage compartment floor can be raised and with the...

Page 52: ...rtitions 3 Shoulder trim panel right 10 Luggage compartment sill cover 4 Rear right cover 11 Luggage compartment flap left 5 Luggage compartment panel right 12 Luggage compartment trim panel left 6 Lu...

Page 53: ...ed to this backrest Depending on where the roller cover is fastened the partition net can be attached at the support elements in the headliner behind B pillar or C pillar 53 E61 Sports Wagon Index Exp...

Page 54: ...the D pillars is released The roller cover slide upwards in the guide due to the return force of spring loaded roller cover This makes it possible to convenient ly load and unload the luggage compart...

Page 55: ...mmodate the head airbag AITS II 55 E61 Sports Wagon Headliner Index Explanation Index Explanation 1 Headliner 6 Speaker cover 2 Net partition attachment point front 7 DWA behind headliner 3 Rear compa...

Page 56: ...to facilitate easy cleaning The rear headrests also the center headrest can be adjusted manually and are identical to those of the E60 The center headrest as well as two cup holders and an oddments t...

Page 57: ...which the luggage compartment roller cover can be fastened when the backrests are folded down The partition net can be pulled out from here and attached to the front retaining fixtures in the headlin...

Page 58: ...an emer gency release tab The rear window and rear hatch are connected to the body by means of hinges The rear hatch and rear window are screw mounted on the respective hinges The rear window can be...

Page 59: ...1 Rear hatch hinge mounting on body 2 Hinged bracket for rear hatch 3 Rear window wiring harness 4 Hinged bracket for rear window 5 Rear window mounting on hinge 6 Rear hatch wiring harness Rear Hatch...

Page 60: ...e surround The edge of the window features screen print dots The center brake light is integrated in the rear spoiler The water jet for the rear window is located in the center of the third brake ligh...

Page 61: ...ogether with the KBM and CAS installed as standard The rear hatch lift is not active while driving but only when the vehicle is stationary 61 E61 Sports Wagon Block diagram HKL Index Explanation Index...

Page 62: ...r hatch button on inside of vehicle Rear hatch button on vehicle key Hydraulic System The hydraulic system is self bleeding and maintenance free The hydraulic unit is located on the driver s side of t...

Page 63: ...not activated the valve is open i e the pressure in the hydraulic system is at the lowest level This setting also enables the closing opening of the rear hatch in case of system malfunction When the...

Page 64: ...on to unlock and raise tailgate While the tailgate is being raised press the button the tailgate stops Pressing the button again will cause the tailgate to reverse direction and now lower and so on Ac...

Page 65: ...aried by using the vehicle settings menu in the iDrive system To access this setting select Vehicle Settings Door Locks Tailgate The height adjustment can be changed by rotating the iDrive controller...

Page 66: ...ave been implemented from April 2005 production Addition of HKL E61 only Addition of EHC E61 only Replacement of SHD for MDS E61 only Lamp Module LM is on the PT CAN Elimination of the AHL control uni...

Page 67: ...hange route criteria out of the map view The functions that can be selected through the icons are listed in the following table 67 E61 Sports Wagon Navigation Menu With Bird s eye View and Icon Bar In...

Page 68: ...cted by means of a 3 pin ELO plug The HBL interference suppression filter suppresses interference on the supply line of the third brake light HBL and of the rear window button line The rear window is...

Page 69: ...tion 1 Direction Indicator light 5 Tail light brake light 2 Two stage brake light 6 Tail light brake light 3 Reversing light 7 Side marker light 4 Rear Deflector Light Quantity Operating voltage Outpu...

Page 70: ...versing light The holder is loosened a little and the complete unit can be detached from the rear hatch Release the catch and remove the bulb carrier plate When installing ensure the seal is positione...

Page 71: ...1 TV antenna amplifier left not for US 3 Top HiFi amplifier Top HiFi 2 MOST fibre optics connector 4 Video module VM not for US Control Units in Luggage Compartment Right Index Explanation Index Expla...

Page 72: ...module MPM 6 Relay rear window wiper not for US 2 Rear hatch lift HKL 7 Relay compressor for air suspension 3 Trailer module AHM 8 Load shedding relay electronic ampere control 4 Park distance control...

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