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Table of Contents
E90 Entertainment and Communication
Introduction to Information & Communication Technology . . . . . . .4
Audio Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
System Components and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Radios Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
'Professional' Radio (Rad2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Navigation System, Professional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Amplifiers and Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
HiFi System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
HiFi System Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Top-HiFi System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Top HiFi System Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .14
Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Radio Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
FM Antenna Diversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Roof Aerial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
SDARS Satellite Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
CD Changer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Audio Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Radio Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Accessing Service Mode - Rad2 . . . . . . . . . . . . . . . . . . . . . . . . . .24
Information Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Accessing Service Mode - CCC . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Interference in Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
MP3/WMA Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Bit Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Navigation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
System Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
System Components and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
CCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
DVD Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Audio CD Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Initial Print Date: 03/05
Revision Date:
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Summary of Contents for BMW E90
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Page 1: Table Of Contents
Table of Contents E90 Entertainment and Communication Subject Page Introduction to Information & Communication Technology ..4 Audio Systems ..........5 System Components and Features . -
Page 2: Subject Page
Subject Page Audio Board (ASK) ........31 Power Board . - Page 3 Entertainment and Communication Model: E90 Production: From Start of Production After completion of this module you will be able to: • Identify the different audio systems available • Access service mode on the RAD2 • Know the TCU variant offered as optional equipment •...
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Page 4: Introduction To Information & Communication Technology
MOST (Media Orientated Systems Transport) bus as already used on the E65, E60 and E63/4. In this section you will be informed about the information and communication technolo- gy available in the new BMW3 Series (E90). It deals with the following topics: • Audio systems • Navigation systems •... -
Page 5: Audio Systems
Audio Systems Two audio sources are offered on the E90. Both are on the MOST bus and have CD playing capabilities. The base version utilizes a single cd drive and a dual LCD line readout and is referred to as the RAD2 (‘Professional’ radio). This audio system can be ordered as a HiFi system with 180 Watt capability or upgraded to Top-HiFi Logic7 with 420 Watts of power. -
Page 6: System Components And Features
LW,MW LW,MW,SW FM tuner (RDS) Single Double FM diversity MD (instead of MP3 playback Planned Audio jack AUX level matching Top-HiFi operation Telephone operation CD changer operation The E90 is equipped with RAD2 (‘Professional’ Radio) as standard equipment. E90 Communication... -
Page 7: Professional' Radio (Rad2)
• Interface to control display (LVDS) • DVD player • CD player When the navigation system is not in use, its DVD drive can be used to play audio CDs. Together with the controller and CID, the CCC forms the iDrive system. E90 Communication... -
Page 8: Amplifiers And Speakers
Amplifiers and Speakers The audio systems in the E90 offers two choices: • HiFi system -10 speakers w/separate amplifier • Top-HiFi system (Logic7) - 13 speakers w/Logic7 amplifier In addition to the higher achievable sound pressure, the audio systems are also distin- guished by the improved system fidelity. -
Page 9: Hifi System
HiFi System The analogue 6-channel 'HiFi' amplifier has the same technical specifications as the one fitted in the E83. In the E90, however, it features settings specific to the E90 (diplexers, equalizing). The HiFi amplifier is located behind the rear left side panel trim in the luggage compart- ment. -
Page 10: Hifi System Circuit Diagram
HiFi System Circuit Diagram E90 Communication... - Page 11 Mid-range speaker, front right Intermediate frequency signal Changeover voltage, AM/FM Central base speaker, right antenna diversity mode Audio input for additional Aux_In Mid-range speaker, rear right audio sources Tel_ Control signal or power supply Radio muting during telephone operation Rad_on Mute E90 Communication...
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Page 12: Top-Hifi System
• A tweeter and a mid-range speaker on each side of the rear shelf • A mid-range speaker in each rear door • A mid-range speaker in the dashboard (Surround Sound) • A central bass speaker under each front seat E90 Communication... - Page 13 Top-HiFi System Layout Index Explanation Index Explanation Tweeter, rear Mid-range speakers, front Top-HiFi amplifier Central Woofers Mid-range speakers, rear Mid-range speaker, front center Tweeter, front Mid-range speakers, rear doors E90 Communication...
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Page 14: Top Hifi System Circuit Diagram
Top-HiFi System Circuit Diagram E90 Communication... - Page 15 Mid-range speaker, rear right (door) antenna diversity mode Audio input for additional Aux_In Mid-range speaker, rear right audio sources Tel_ Control signal or power supply Radio muting during telephone operation Rad_on Mute LVDS Low voltage differential signaling (digital) Most direct access (loop) E90 Communication...
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Page 16: Antennas
Antennas The E90 can have up to 5 aerial systems depending on the optional equipment fitted: • FM/AM radio (rear-window aerials) • Digital radio (roof antenna) • Navigation system (roof antenna) • TV (rear-window aerials) - not for US • Telephone (roof antenna) additionally:... -
Page 17: Radio Antennas
Aerial Amplifier and Diversity Module Index Explanation Index Explanation AM/FM tuner signal connector (black) TV1 signal (green) not for US not for US 6-pin rear window aerial antenna TV2 signal (brown) not for US 6-pin power supply and FBD connector E90 Communication... -
Page 18: Fm Antenna Diversity
• FM4 aerial, formed by combining the signals from the FM1 and FM2 aerials • FM antenna amplifier with antenna diversity module For reasons of space, the rear window of the E90 can accommodate only three FM aerials. The FM4 aerial is not a physical component. To improve FM reception, the FM4 aerial is created by overlaying the HF signals from the FM1 and FM2 aerials. - Page 19 Demodulator with signal evaluation Band-pass filter for FM signal based on level and noise component Control signal or switched RF signal to radio voltage supply from radio Rad_on Antenna diversity changeover IF signal from radio voltage from radio E90 Communication...
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Page 20: Roof Aerial
Roof Aerial There are two different variants of roof antenna for the E90: • Vehicle equipped with TCU - GPS antenna needed for telematic feature • Vehicle equipped with SDARS (Satellite Digital Radio Service - Sirius) The roof aerial for SDARS reception has a larger housing compared with the version with- out satellite radio capability. -
Page 21: Sdars Satellite Tuner
The separate satellite tuner is necessary because the signals are transmitted in the giga- hertz band (microwave band). The satellite tuner is located in the trunk above the recess, on the left (when viewed from the rear) next to the Telematic Control Unit (TCU). Location of SDARS Tuner and TCU E90 Communication... -
Page 22: Cd Changer
All E90 vehicles come pre-wired for CD changer. The option SA672 for the E90 is a new "CD changer for 6 CDs" (CDC). The CD changer is a MOST network node and differs from the MOST-compatible CD changer on the E60 and E63/4 by virtue of its support for MP3 files and WMA files. -
Page 23: Audio Jack
The CCC does not have the line volume balancing option. Audio Jack Location Index Explanation Index Explanation Eject box Drink/electronics cooler 12V DC socket Switch for cooler Audio jack E90 Communication... -
Page 24: Service Information
(e.g. station selection via station buttons, frequency band change, telephone muting) AF Auto = RDS function and automatic alternative frequency tracking active Key memory To switch car and key functions on and off E90 Communication... -
Page 25: Accessing Service Mode - Ccc
• Switch system ON/OFF • Disconnect from vehicle electrical system • BMW diagnosis system There is no button or key combination on the device for performing a reset. The 'Professional' navigation system (CCC) can be reset by simultaneously pressing and holding the eject buttons on the DVD and CD player and the rotary push-button for approximately 10 s. -
Page 26: Mp3/Wma Playback
MP3/WMA Playback Note: The information provided in the following is of a general nature and not specific to BMW. MP3 stands for MPEG Layer 3 and is a compression method for audio data which achieves very high compression ratios. MP3 makes use of a phenomenon that is associ- ated with psychoacoustics: Human beings do not hear everything that theoretically could be heard - in any case not consciously. -
Page 27: Bit Rate
64 kBit/s sound acceptable. The data loss at a constant bit rate is less noticeable than in an MP3 file. However, outstanding bass reproduction at 64 kBit/s cannot be achieved in any format. WMA is much better suited than MP3 for ultralow bit rates (e.g. 16 kBit/s). E90 Communication... -
Page 28: Navigation System
• The navigation DVD from the E60 to E63/4 can be used in this system also. The higher-grade V-Info Plus (Vehicle Information Plus) service can be activated. It can only be used if a Telematic Control Unit is fitted and BMW Assist is enabled. Navigation Map with Arrow Display... -
Page 29: System Circuit Diagram
Central information display Steering column switch cluster Controller GPS antenna Junction box control unit Audio speaker Dynamic stability control Audio amplifier Wheel speed sensor, rear left MOST components (optional) LVDS MOST Low voltage differential signal Sliding element MOST direct access E90 Communication... -
Page 30: System Components And Features
System Components and Features This section describes the two navigation systems available on the E90. With few excep- tions, with regard to function, display and operation, these navigation systems correspond to the navigation systems used in the E60. The navigation systems is made up of the following components: •... -
Page 31: Audio Board (Ask)
The ASK functions are located on Audio Board (ASK) the audio board. Two digital sound processors facilitate simultaneous conditioning of the audio signals and operation of the voice control sys- tem. E90 Communication... - Page 32 Cover for expansion card 12-pin, right (not for US) LVDS connection 16-pin GPS antenna MOST interface Fan motor Cover for expansion card AM, FM antenna Fan motor connection Inside Components of CCC Index Explanation Audio board Power board Main board E90 Communication...
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Page 33: Principles Of Operation
Munich 5-10 satellites). This is due to the orbits of the satellites. From these satellite signals, the navigation system calculates • longitude • latitude • altitude from the satellite data. Based on repeated measurements, the direction of movement and speed can also be calculated by way of GPS. E90 Communication... -
Page 34: Navigation Mode
• Distance information up to the next change in direction (turn off) • Voice announcements for further route guidance • Distance to destination • Route list and destination list • Calculated route indicated by a white line to the destination in the map presentation E90 Communication... -
Page 35: Service Information
• Reset CCC • Press the Eject button several times during start-up Alternatively, the system reset can be activated by means of the BMW diagnosis system (control unit functions). Note: If a DVD does not want to eject from the CCC, Do NOT FORCE it out. -
Page 36: Telephone
Telephone The E90 is equipped with the same TCU that is found in the E60 and E63/4 vehicles only if option code SA639 (Assist or Premium Package) is ordered. The range of functions offered are as follows: • The Telematic Control Unit is fitted as standard in order to provide the Telematic functions Emergency call (E-call) and Breakdown call (B-call) •... - Page 37 The Telematic Control Unit supports • Telematic • TeleService • BMW Assist The TCU has an embedded phone that can call out for these services as long as the vehicle is in an area with cellular phone coverage. The Telematic option provides the following: •...
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Page 38: System Circuit Diagram
System Circuit Diagram E90 Communication... - Page 39 Wheel speed signal, front right Mic+ Mic- Microphone, positive Microphone, negative SOS LED Emergency-call indicator lamp Emergency call signal Cradle ON signal for the charger electronics Cradle On Call accept/transfer/pairing button in the snap-in adapter Tel_On Telephone ON signal for compensator E90 Communication...
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Page 40: Service Information
A variable passkey that must have at least one character is used for the purpose of cou- pling Bluetooth mobile phones. A predefined key is no longer necessary. v60i Phones v60i phones will no longer be compatible on the E90. E90 Communication... -
Page 41: Voice Recognition System
Voice Recognition System The E90 has two different variants of voice control: • Internal of the TCU • Internal of the CCC Voice control for telephone functions comes as standard with all telephone systems. The voice control capability is achieved by means of software on the telephone control unit.