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:
Introduction, Headunit
Introduction
New features in the G30
The G30 builds on the technology of the G12. This product information manual
describes the new
features or changes compared to the G12.
The following table shows the new features and changes in the G30 compared to
the G12:
Headunit
Introduction
In the G30, on
Run-flat tires
Concept
Run-flat tires permit continued driving under restricted
conditions even in the event of a complete
loss of tire inflation pressure.
General information
The wheels consist of tires that are self-supporting,
to a limited degree, and possibly special
rims.
The support of the sidewall allows t
