Power Supply, System Overview: E60, E61, E63, E64
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This system overview comprises the following overviews:
- Inputs/outputs (power supply for 6-cylinder engine version)
- Principle of electrical energy management
- Principle of power management
- System circuit diagram (power supply for 6-cylinder engine version) until 09/2005
- Overview of control unit on terminal 30g until 09/2005
- Overview of control unit on terminal 30g-f until 09/2005
- System circuit diagram (power supply for 6-cylinder engine version) from 09/2005
- Overview of control unit on terminal 30g from 09/2005
- Overview of control unit on terminal 30g from 09/2005
- Earth points (left-hand drive vehicles)
Inputs/outputs
Power supply for 6-cylinder engine version
POWER SUPPLY, SYSTEM OVERVIEW INPUTS/OUTPUTS: E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Digital engine electronics (DME) | 2 | Alternator |
| 3 | Starter relay | 4 | Power distributor, front |
| 5 | Car Access System (CAS) | 6 | > from 09/2005: START/STOP button with insert compartment and remote control |
| 7 | > Until 09/2005: Ignition starter switch | 8 | > Until 09/2005: Micro-power module (MPM) > From 09/2005: Body-gateway module The MPM function is integrated into the KGM. |
| 9 | Rear power distributor with terminal 30g relay | 10 | Starter motor |
| 11 | Battery | 12 | Intelligent battery sensor (IBS) |
Principle Of Electrical Energy Management
PRINCIPLE OF ELECTRICAL ENERGY MANAGEMENT: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Car Access System (CAS) | 2 | Current flow to consumers |
| 3 | Battery | 4 | Intelligent battery sensor (IBS) |
| 5 | Bit-serial data interface (BSD) | 6 | Digital engine electronics (DME) |
| 7 | Power management | 8 | Increased idling speed |
| 9 | Engine | 10 | Mechanical energy (alternator drive) |
| 11 | Alternator | 12 | Battery charge current |
| 13 | Nominal value for charge voltage | 14 | Consumer shutdown |
| 15 | Terminal 30g relay | 16 | Rear power distributor, consumers on terminal 30g |
| 17 | Terminal 15 wake-up wire | 18 | > up to 09/2005: Micro-power module (MPM) > from 09/2005: Body gateway module (KGM) The MPM function is integrated into the KGM. |
| 19 | Power distributor, front | 20 | Electric energy management |
| K-CAN | Body controller area network | Kl. 15 | Terminal 15, ignition lock position 2 |
Principle Of Power Management
PRINCIPLE OF POWER MANAGEMENT: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Voltage (U) | 2 | Current (I +/-) |
| 3 | Temperature (T) | 4 | Digital engine electronics (DME) |
| 5 | Power management | 6 | Erasable Programmable Read-Only Memory (EPROM) with battery maps for: - Voltage (U) - Current (I +/-) - Temperature (T) |
| 7 | Idle-speed control | 8 | Nominal value for charge voltage |
| 9 | Auxiliary consumer cutoff | 10 | Load peak reduction |
| IN | Input information | OUT | Output information |
System Circuit Diagram
> System circuit diagram power supply for 6-cylinder engine version until 09/2005
Example: E60
SYSTEM CIRCUIT DIAGRAM: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Battery | 2 | Safety battery terminal |
| 3 | Intelligent battery sensor (IBS) | 4 | Rear power distributor with terminal 30g relay and terminal 15 relay |
| 5 | Power distributor, front | 6 | Alternator |
| 7 | Starter motor | 8 | Digital engine electronics (DME) |
| 9 | DME main relay | 10 | Car Access System (CAS) |
| 11 | Micro-power module (MPM) | K-CAN | Body CAN |
| Kl. 15 | Terminal 15, ignition lock position 2 | Kl. 30 | Terminal 30, power supply |
| Kl. 30g | Terminal 30g, active | Kl. 30g-f | Terminal 30 g-f |
| Kl. 87 | Terminal 87 | BSD | Bit-serial data interface |
Overview Of Control Unit On Terminal 30G-F Until 09/2005
The control units with power supply via terminal 30g are highlighted.
Fig 5: Identifying Overview Of Control Unit On Terminal 30G-F Until 09/2005 (1 Of 2): Power Supply E60, E61, E63, E64
Fig 6: Identifying Overview Of Control Unit On Terminal 30G-F Until 09/2005 (2 Of 2): Power Supply E60, E61, E63, E64
OVERVIEW OF CONTROL UNIT ON TERMINAL 30G-F UNTIL 09/2005: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| ACC | Active cruise control | AMP | Amplifier |
| CID | Central Information Display | CON | Controller |
| CVM | Convertible top module | DSC | Dynamic Stability Control |
| EGS | Electronic transmission control | EHC | Electronic height control |
| HUD | Head-up display | KHI | Headphone interface |
| RLS | Rain-light sensor | SDARS | Satellite tuner |
| SHD | Sliding/tilting sunroof (on E61: Panorama glass sunroof) | SMG | Sequential manual gearbox |
| SZM | Centre console switch cluster | TCU | Telematics control unit |
| ULF | Universal charger and hands-free system | VM | Video module |
| VTG | Transfer case | ||
| CCC | Car Communication Computer | CDC | CD changer |
| JNAV | Japan navigation system | KNAV | Korea navigation system |
| M-ASK | Multi-audio system controller |
System Circuit Diagram: Power Supply E60, E61, E63, E64
> System circuit diagram power supply for 6-cylinder engine version from 09/2005
Example: E60
SYSTEM CIRCUIT DIAGRAM: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | Battery | 2 | Safety battery terminal |
| 3 | Intelligent battery sensor (IBS) | 4 | Rear power distributor with terminal 30g relay and terminal 15 relay |
| 5 | Power distributor, front | 6 | Alternator |
| 7 | Starter motor | 8 | Digital engine electronics (DME) |
| 9 | DME main relay | 10 | Car Access System (CAS) |
| 11 | Body gateway module (KGM) | K-CAN | Body CAN |
| Kl. 15 | Terminal 15, ignition lock position 2 | Kl. 30 | Terminal 30, power supply |
| Kl. 30g | Terminal 30g, active | Kl. 30g-f | Terminal 30 g-f |
| Kl. 87 | Terminal 87 | BSD | Bit-serial data interface |
Overview Of Control Unit On Terminal 30G From 09/2005: Power Supply E60, E61, E63, E64
The control units with power supply via terminal 30g are highlighted.
Fig 8: Identifying Overview Of Control Unit On Terminal 30G From 09/2005: Power Supply E60, E61, E63, E64
OVERVIEW OF CONTROL UNIT ON TERMINAL 30G FROM 09/2005: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| ACC | Active cruise control | AL | Active Steering |
| ALBBF | Active seat back width, front passenger seat | ALBFA | Active seat back width, driver's seat |
| AMP | Amplifier | ARS | Active roll stabilization (sales designation: Dynamic Drive) |
| CID | Central Information Display | CON | Controller |
| CVM | Convertible top module | DSC | Dynamic Stability Control |
| EGS | Electronic transmission control | EHC | Electronic height control |
| EKP | Regulated fuel pump | HKL | Tailgate lift |
| HUD | Head-up display | IBOC | Digital tuner US |
| IHKA | Integrated automatic heating and air-conditioning system | KHI | Headphone interface |
| NVE | Night-vision electronics (from 03/2006) | PDC | Park Distance Control |
| RDC | Tyre pressure control (from 03/2006, US version only) | RLS | Rain-light sensor |
| SDARS | Satellite tuner | SH | Independent heating |
| SHD | Sliding/tilting sunroof (on E61: Panorama glass sunroof) | SMG | Sequential manual gearbox |
| SZM | Centre console switch cluster | VM | Video module |
| VTG | Transfer case |
Overview Of Control Unit On Terminal 30G-F From 09/2005
The control units with power supply via terminal 30g-f are highlighted.
Fig 9: Identifying Overview Of Control Unit On Terminal 30G-F From 09/2005: Power Supply E60, E61, E63, E64
OVERVIEW OF CONTROL UNIT ON TERMINAL 30G-F FROM 09/2005: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| CA | Comfort Access | CCC | Car Communication Computer |
| CDC | CD changer | JNAV | Japan navigation system |
| KOMBI | Instrument cluster | KNAV | Korea navigation system |
| M-ASK | Multi-audio system controller | SZL | Steering column switch cluster |
| TCU | Telematics control unit | ULF | Universal charger and hands-free system |
Earth Points: Power Supply E60, E61, E63, E64
The earth points on the example of the E60 are illustrated for left-hand-drive vehicles. Installation locations may differ on right-hand drive vehicles.
Example: E60
EARTH POINTS: POWER SUPPLY E60, E61, E63, E64
| Item | Description | Item | Description |
|---|---|---|---|
| 1 | X13782 - A-pillar, right | 2 | X13784 - door entrance, A-pillar |
| 3 | X14054 - electric auxiliary heater | 4 | X13797 - A-pillar, right (blower) |
| 5 | X14234 - AFS control unit | 6 | X13786 - under front-passenger seat |
| 7 | X13788 - under front-passenger seat | 8 | X13790 - wheel arch, rear right |
| 9 | X13794 - luggage compartment, rear right | 10 | X13792 - luggage compartment, rear right |
| 11 | X6402 - luggage compartment (battery) | 12 | X13793 - luggage compartment, rear left |
| 13 | X13795 - luggage compartment, rear left | 14 | X13791 - wheel arch, rear left |
| 15 | X13789 - under driver's seat | 16 | X13787 - under driver's seat |
| 17 | X13785 - door entrance, A-pillar, right | 18 | X13783 - door entrance, A-pillar |
| 19 | GRAV earth point, engine compartment, left |