E60, E61, E63, E64, E87, E90 System Overview Multi Audio System Controller M-ASK
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 645Ci, 2005 BMW 545i, 2005 BMW 530i, 2005 BMW 525i, and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
The system overview is split up as follows:
- > E60, E61, E63, E64:
- M-ASK input/output
- M-ASK system circuit diagram
- > E87, E90:
- M-ASK input/output
- M-ASK system circuit diagram
- > E60, E61, E63, E64, E87, E90:
- Navigation system inputs/outputs
- Order of electronic modules
M-ASK inputs/outputs on E60, E61, E63, E64
The illustration shows the input and output signals in the E60 as an example.
M-ASK INPUTS/OUTPUTS
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Multi-audio system controller (M-ASK) | 2 | Controller in the centre console |
| 3 | Telephone (option 638 "Professional car phone" or option 644 "Universal charging and hands-free device") | 4 | CD changer (option 672 "6-disc CD changer in the glove box") |
| 5 | Aerials (in the rear window) | 6 | GPS satellites |
| 7 | Satellite Digital Audio Radio System SDARS (only US version) | 8 | Telephone and GPS aerial |
| 9 | Dynamic Stability Control (DSC) | 10 | DVD for the navigation system |
| 11 | Wheel speed sensor | 12 | Steering column switch cluster |
| 13 | Instrument cluster (for the Check Control messages) | 14 | Central Information Display (CID) |
| 15 | Navigation | 16 | Entertainment |
| 17 | Communication | 18 | Climate (for control of the integrated automatic heating/air-conditioning system) |
| 19 | Audio operation | 20 | Audio signals (music, language, navigation messages) |
| 21 | Park Distance Control (PDC) | 22 | Audible notes (jingles) e.g. output of gongs |
| 23 | TOP-HIFI amplifier (option 677 "Hifi system Professional with Logic 7 signal processing") | 24 | Head-up display |
M-ASK system circuit diagram on E60, E61, E63, E64
The illustration shows the system circuit diagram in the E60 as an example.
M-ASK SYSTEM CIRCUIT DIAGRAM
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Multi-audio system controller (M-ASK) | 2 | Safety and gateway module (SGM) |
| 3 | Steering column switch cluster (SZL) | 4 | Controller (CON) |
| 5 | Aerial diversity | 6 | CD changer (option 672 "6-disc CD changer in the glove box") |
| 7 | Flash connector FS | 8 | Satellite Digital Audio Radio Service SDARS (only US version) |
| 9 | Telematic Control Unit TCU (option 605) | 10 | Instrument cluster for the Check Control messages |
| 11 | Central Information Display (CID) | 12 | Front left loudspeaker (only if no Top-HiFi amplifier is fitted) |
| 13 | Rear left loudspeaker (only if no Top-HiFi amplifier is fitted) | 14 | Front right loudspeaker (only if no Top-HiFi amplifier is fitted) |
| 15 | Rear right loudspeaker (only if no Top-HiFi amplifier is fitted) | 16 | TOP-HIFI amplifier (option 677) |
| 17 | Head-up display (HUD) | ||
| AM/FM | Radio aerial | Aux-In | Auxiliary audio input |
| BT | Bluetooth antenna | D-Bus | Diagnostics bus |
| GPS | Global Positioning System | GSM | Telephone aerial |
| GSM_N | Aerial for emergency call | K-CAN | Body CAN |
| Kl. 30 | Terminal 30, power supply | Kl. 31 | Terminal 31, earth |
| Kl. 58g | Instrument lighting | LVDS | Low Voltage Differential Signalling |
| MOST | Media-Oriented System Transport | SAT | Aerial for satellite reception |
| TER | Aerial for terrestrial reception |
M-Ask Inputs/Outputs On E87, E90
The illustration shows the input and output signals in the E87 as an example.
M-ASK INPUTS/OUTPUTS ON E87, E90
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Multi-audio system controller (M-ASK) | 2 | Central Information Display (CID) |
| 3 | Junction-box electronics (JBE) | 4 | Navigation display |
| 5 | Entertainment display | 6 | Telephone menu display |
| 7 | Air conditioning display | 8 | Audio operation |
| 9 | Audio signals (music, language, navigation messages) | 10 | Park Distance Control (PDC) |
| 11 | Audible notes (jingles) e.g. output of gongs | 12 | Amplifier for HiFi system |
| 13 | Amplifier for Top-HiFi system | 14 | Instrument cluster (for the Check Control messages) |
| 15 | Steering column switch cluster | 16 | DVD for the navigation system |
| 17 | Wheel speed sensor | 18 | Dynamic Stability Control (DSC) |
| 19 | GPS data from satellites | 20 | Roof-mounted aerial |
| 21 | Rear window antenna | 22 | CD changer - optional |
| 23 | AUX-In connection | 24 | Telephone - optional |
| 25 | Controller |
M-Ask System Circuit Diagram On E87, E90
The illustration shows the system circuit diagram in the E87 as an example.
M-ASK SYSTEM CIRCUIT DIAGRAM ON E87, E90
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Multi-audio system controller (M-ASK) | 2 | Central Information Display (CID) |
| 3 | Junction-box electronics (JBE) | 4 | Diagnostic wire |
| 5 | Dynamic Stability Control (DSC) | 6 | Steering column switch cluster (SZL) |
| 7 | Roof-mounted aerial for FM | 8 | Roof-mounted aerial for AM |
| 9 | Aerial amplifier for roof-mounted aerial | 10 | Rear window antenna |
| 11 | Aerial diversity with amplifier | 12 | Front right tweeter loudspeaker - optional |
| 13 | Front right mid-range loudspeaker | 14 | Central bass, right |
| 15 | Rear right mid-range loudspeaker | 16 | Rear right tweeter loudspeaker - optional |
| 17 | CD changer - optional | 18 | Telephone - optional |
| 19 | TOP-HiFi amplifier - optional | 20 | HiFi amplifier - optional |
| 21 | Audio signal cable, only with stereo or HiFi system | 22 | Rear left tweeter loudspeaker - optional |
| 23 | Rear left mid-range loudspeaker | 24 | Central bass, left |
| 25 | Controller (CON) | 26 | Front right mid-range loudspeaker |
| 27 | Front left tweeter loudspeaker - optional | 28 | Instrument cluster |
| AM/FM | Radio aerial | Aux-In | Auxiliary audio input |
Input/Output Navigation System
The illustration shows the input and output signals in the E60 as an example.
INPUT/OUTPUT NAVIGATION SYSTEM
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Multi-audio system controller (M-ASK) | 2 | DSC control unit |
| 3 | Wheel speed sensor | 4 | Telephone and GPS aerial |
| 5 | Controller | 6 | Central Information Display (CID) |
| 7 | Audio output |
Order of electronic modules
The illustration shows the M-ASK in the E60 as an example.
M-ASK COMPONENTS
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Yaw rate sensor | 2 | Pigtail with electronic evaluation unit |
| 3 | Processor board | 4 | CD, CD-ROM or DVD drive |
| 5 | GPS receiver | 6 | Audio output stage |
| 7 | Electric fan |