BMW 5 Series: Main bus systems
K-CAN
In the G30 the following K-CAN's are used:
- K-CAN2
- K-CAN3
- K-CAN4
- K-CAN5
The control units on the K-CAN5 are not displayed in the bus overview by the BMW diagnosis system ISTA. Diagnosis is performed via the Body Domain Controller.
All K-CAN data buses have a data transfer rate of 500 kBit/s.
PT-CAN
In the G30 the following PT-CAN are used:
- PT-CAN
- PT-CAN2
The gateway for the PT-CAN2 is located in the DME.
Both PT-CAN data buses have a data transfer rate of 500 kBit/s.
MOST
On the G30 the MOST system known from other BMW models with a data transfer rate of 22.5 MBit/s is used. The gateway for the MOST system is located in the HEADUNIT.
FlexRay
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FlexRay
- Dynamic Stability Control (DSC)
- Digital Motor Electronics (DME2) (8-cylinder engine)
- Transfer case
- Electronic Power Steering (EPS)
- Electric active roll stabilization front (EARSV)
- Digital Motor Electronics (DME) (4 & 6-cylinder engine)
- Body Domain Controller (BDC)
- Vertical Dynamics Platform (VDP)
- Electric active roll stabilization rear (EARSH)
- Rear axle slip angle control (HSR)
- Advanced Crash Safety Module (ACSM)
- Optional equipment system (SAS)
The FlexRay overview includes all engine versions and optional equipment. The DME (item 6) is used for 4 & 6-cylinder engines. On 8-cylinder engines the DME2 (item 2) is used. The terminating resistors for line termination are located in the DME control units and in the Body Domain Controller.
The FlexRay has a data transfer rate of 10 MBit/s.
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Ethernet
On the G30 the 2-wire OABR Ethernet (OPEN Alliance BroadR-Reach) from the G12
is used.
The Ethernet variant with 5 lines (4 data lines and 1 activation line) is still
used on the G30 by the
OBD2 in
Sub-bus systems
LIN-Bus
For a better overview, the LIN buses are divided up between several wiring
diagrams for the G30.
LIN bus overview in the door area
LIN-Bus
Body Domain Controller (BDC)
Exterior mirror, fr
Local CAN
In the G30 the following Local Controller Area Networks are available with
the corresponding
equipment:
Local CAN from electronic transmission control (EGS) to the gear
selector switch (GWS).
Lo
SEE MORE:
Adjusting the distance
Safety information
Warning
The system cannot serve as a substitute for the
driver's personal judgment. Due to the system
limits, braking can be late. There may be a risk
of accident or risk of damage to property. Be
aware to the traffic situation at all times. Adjust
the distance to the traffic and
Rear automatic climate
control
Overview
Buttons in the vehicle
Climate control functions
Temperature
Maximum cooling
AUTO program
Air flow, manual
Air distribution, manual
Seat heating
Switching on/off
Via iDrive
1. "My Vehicle"
2. "Vehicle settings"
3. "Climate functions"
4. "Rear climate"
The rear automatic climate control
