... lids, roof panel headliners and wind deflector are fully electric and are
addressed by the standard BMW sliding sunroof operations logic through a switch
integrated in the FZD.
ã Open roof - Pull ... position is either fully closed or fully open.
The roller sunblind covers the retractable and fixed side windows in the rear door.
34
E70 Introduction
Side Impact
In side impacts too, the bodyshell ... greater level of safety in a crash at
high speeds.
This was achieved by distributing the forces exerted on the structure over the engine
bracket and chassis to the passenger cell through several...
... geometry of the oil pan in the E70.
Intake Air Control
For the first time at BMW, the intake air silencer is a fixed part of the engine. The unfil-
tered air duct is crash-optimized. An unfiltered ... for
measuring the oil level in the E70.
Intake Air Control
For the first time at BMW, the air intake system is fixed to the engine in the E70.
Flow conditions have been optimized for the high...
... downshift attempts are executed at intervals of approximately 5 seconds if the selector
lever is blocked from the outside, e.g. by an object.
If the downshift cannot be executed, the check control ... always returns to its initial position. In the manual gate
this is the same as automatic gearboxes with Steptronic.
10
E70 Transmissions
Index Explanation Index Explanation
1
Parking lock button
4
Selector ... depress the service brake in order to engage a drive range for example.
Instead, the function is not executed and a message appears in the on-board monitor
indicating: "Press brake to engage gear"....
... and Bus Systems
Diagnosis CAN
After connecting a BMW diagnostic system, the gateway (junction box control unit)
places the requests of the BMW diagnostic system on the internal buses. The responses
undergo ... significance is attached to the power supply system.
In the E70, there are two separate distribution boxes. The front distribution box is near
the glove box and the rear distribution box is on the right-hand ... .42
Point-to-point Bus Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Mixed Bus Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Redundant...
... A 128 bit
long secret key is assigned to each vehicle and stored in the BMW database. This secret
key is known only to BMW. The secret key is programmed and locked in the Car Access
System 3 ... It has
undergone continuous further development and has been successively introduced
in various BMW models.
The models include:
ã E66 as from 09/2003
ã E60 as from 03/2003
ã E63 as from 09/2003
ã ... windows
ã Panoramic glass roof
ã Comfort Access
The Car Access System 3 enables or interrupts the execution of the aforementioned
functions.
Further functions are integrated in the Car Access System...
... it
possible to show the bus wakeups in the BMW diagnostic system.
The display is activated if the number of bus wakeups amounts to more than 20.
The BMW diagnostic system is only capable of distinguishing ... in the various bus systems is stored in the
junction box. The BMW diagnosis system can access and evaluate this information.
The BMW diagnosis system features an evaluation software that facilitates ... terms of
energy diagnosis, this also means standardization of testing schedules and displays in the
BMW diagnostic system.
The aim of the diagnostic procedures is to show the causes of a discharged...
... thickness [mm] 20 24
Brake disc diameter [mm] 320 345
Size 17’’ 18’’
Parking brake Duo-Servo 18 5x30 (EMF)
The steering pivot axis is therefore freely selectable and can be positioned such as ... reduced stress on the occupants in the event
of a crash (integral part of the 5-star philosophy at BMW) . In addition, the lower and cen-
ter steering shaft collapses during the crash thus preventing ... safety system.
Tyre damage and tire failure are among the most feared driving experiences.
The BMW run flat safety system:
ã Warns the driver in good time of imminent tire pressure loss so that...
... Features
Previous Active Steering Systems at BMW
The dynamic steering system known as Active Steering was used for the first time in the
world by BMW in the E60. The "variable steering-transmission ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Previous Active Steering Systems at BMW . . . . . . . . . . . . . . . . . . . . . .8
Increased Agility . . . . . . . . . . . . . . . ... wheel [5]
is stationary (input shaft II), the planet cage with worm wheel [4] (ring gear) is also fixed in
position and the power is directed through the mechanical connection, both from the
steering...
... changing road surface conditions, load status and handling characteristics.
EHC
It all began for BMW with level control systems, which were available for the 7 Series
(E23/E32), 6 Series (E24) ... Damper Control satellite, rear right
6
Electronic Damper Control satellite, front left
C
oordinate Axes
These basic dynamic driving properties depend, in particular, on the following vehicle
dimensions.
9
E70 ... comfort is
largely eliminated. This results in a new type of "driving pleasure" typical of BMW.
Dynamic Drive has two active anti-roll bars, which have a positive influence on body
roll and...
... can take up the exerted forces.
The upper section of the housing is made of plastic, to which the force sensor pc-board
(5) with the Hall-IC (3) is secured.
The magnet (4) is fixed to the piston ... unit features a "bedding-
in" service mode that must be activated in this case with the BMW diagnostic system.
Indicator/warning lamps in the instrument cluster signal the operating status...
... System 3 is the cen-
tral control unit for the central locking.
The junction box control unit (26) executes the vehicle unlocking and locking functions.
The footwell module (23) evaluates the status ... receives the enable via the K-CAN.
Junction Box Control Unit
The junction box control unit is the executing control unit and locks/unlocks the complete
vehicle. The relays for the unlocking/locking ... the
door contacts to the Car Access System 3.
The request to lock the vehicle, for example, is not executed while the driver's door is
open.
Initial P
rint
Dat
e: 10/06
Table of Contents
Subject...
... (3) (front power window
motor) or the junction box control unit (10) (rear power window motor) executes the
desired request.
Examples of the Window Switch Signal Path
The following examples of ... must be pressed again following an interruption in opera-
tion. The corresponding function is not executed if the power windows are operated dur-
ing the start procedure.
The enable for operation ... Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Via the BMW Diagnosis Equipment
. . . . . . . . . . . . . . . . . . . . . . . . . . .15
E70 Power Windows
R
e
vision...
... equipped with an additional spring to ensure the vehicle can be
opened fast enough. The spring exerts pretension on the central locking drive unit for the
unlocking procedure. The door is already ... first introduced on the E65 (03/2002). The system was then gradu-
ally introduced on different BMW models.
These models are:
ã E87 from 09/2004
ã E90 from 03/2005
ã E60 from 09/2005
ã E61 from...