Option 633 ”Basic fittings for Business mobile phone” offers the best possible comfort and maximum customer benefit for using the telephone in the car.

The basic fitting for ”Business” mobile phone is only available in conjunction with one of the following equipment specifications:

RAD2: BMW ”Professional” radio

M-ASK: Multi-audio system controller

CCC: Car Communication Computer

Note: Option 633 supersedes the old option 638.

Option 633 ”Basic fittings for Business mobile phone with bluetooth interface” supersedes the old option 638 ”Professional car phone”. The cordless handset (SBDH) with option 638 is replaced with the customer’s bluetooth mobile phone. The TCU has expanded functions and is not compatible with the TCU of option 638.

Important: from 03/2007: TCU and ULF-SBX-H can be fitted at the same time.

From this point in time on, the two control units can be fitted at the same time.

The interface box High (ULF-SBX-H) then serves solely option 6FL ”USB audio interface”. The telephone function is not available in the ULF-SBX-H. The TCU provides the telephone function.

Please refer to function description in BMW diagnosis system under ”Telephone”.

Characteristics of option 633:

The control unit (TCU: Telematic Control Unit) allows the following telematic services:

Automatic and manual breakdown call, emergency call



BMW Online

The GSM dual band with the frequencies 900 and 1800 MHz guarantee area-wide reception.

Option 613 ”Internet-based services” is no longer available. The contents of option 613 are integrated into option 616 ”BMW Online” (02/2005).

Option 633 has its own GPS module for location determination, even if there is no navigation system installed in the vehicle.

The telephone functions can be operated using their own voice recognition system. Vehicles with Car Communication Computer (CCC) need option 620 ”Voice recognition system” for speech processing.

Up to 4 signed on bluetooth mobile phones are displayed in a list. From the 5th mobile phone onward, the mobile phone at the bottom of the list is deleted.

The battery is recharged when the mobile phone is placed in the snap-in adapter. The recharging process is electronically regulated. Moreover, the mobile phone is connected to the vehicle’s external aerial.

Note: The snap-in adapter has to be ordered separately.

The base plate is installed ex works. At the customer’s request, the snap-in adapter can be retrofitted by the dealer organisation.

[System overview …]

Brief description of components

TCU: Telematics Control Unit

The central control unit is the Telematic Control Unit (TCU). The TCU includes its own transmitter and receiver module (Network Access Device, NAD) with its own SIM card. The SIM card is the telephone card that is plugged into the mobile phone and which serves to identify the user in the telephone network.

The TCU consists of the modules:

Transceiver unit (Network Access Device NAD) with GPRS function (since 09/2005)

GPS receiver

Bluetooth module

Voice recognition module

The TCU supports the following functions:

Telematic services

Bluetooth connection to mobile phone

Voice recognition

[more …]

RAD2: BMW ”Professional” radio (note: option 633 with RAD2 only available from 03/2006) The radio serves as the gateway (data interface) between the MOST bus and the K-CAN.

M-ASK: Multi-audio system controller

On the E60, E61, E63 and E64, M-ASK is installed in the basic equipment specification.

In this case, M-ASK is the interface for operating the telephone. The telephone directory and other information are shown on the Central Information Display (CID).

CCC: Car Communication Computer

The CCC is installed in connection with one of the following options:

”Professional” navigation system

”Voice recognition system”

Several control units and the CD-ROM/MD/DVD players are integrated into a single housing. The CCC is used to control all information and communication systems, including the telephone.

User interface and display

Depending on vehicle’s equipment specification:

CID: Central Information Display

The menus for the M-ASK and CCC are displayed on the CID.

RAD2: The telephone can be operated on the RAD2 display (only available from 03/2006)

Base plate with snap-in adapter

The base plate includes the battery charger for the mobile phone. The snap-in adapter must be retrofitted by the dealer organisation. The snap-in adapter is used as a bracket for the mobile phone during a journey.

(white ”TCU” marking)

[more …]

Mobile phone

The customer is able to use his mobile phone, provided this is supported by BMW. Snap-in adapters are available for various bluetooth-compatible mobile phones. Information about bluetooth mobile phones that have been approved for use in vehicles of the BMW Group and about their matching snap-in adapters is available from BMW Parts Department. A compatibility matrix is available there.

Hands-free microphone and microphone for voice commands

The hands-free microphone is located in the roof function centre (FZD) and is used to input speech information and voice commands into the hands-free system.

On vehicles with CCC, option 620 ”Voice recognition system” is also necessary, as voice commands cannot otherwise be processed. With option 620 ”Voice recognition system”, a second microphone for inputting voice commands is fitted in the roof function centre. All CCC functions can thus be operated using voice commands. (The microphone for voice commands is discontinued from 09/2005; voice commands are then input through the hands-free microphone).

> E64, E93: The microphones are installed on the steering column.

[more …]

MFL: Multi-function steering wheel

The buttons for the telephone functions are located on the multi-function steering wheel. When a call is accepted, the TCU (Telematic Control Unit) will switch to hands-free mode.

The following functions are operated by pressing the transmit/receive button:

Accept or end call

Select phone number from the following lists:

Telephone directory entries A – Z

Top-8 list (list of the 8 most frequently called phone numbers from the telephone directory entries)

Dialled numbers (list with last 8 phone numbers dialled)

Show missed calls

Show accepted calls

Redial last number dialled (without list)

Pressing the button will automatically activate the voice recognition system in the TCU. With option 620 ”Voice recognition system” the CCC’s voice recognition system will be activated.

GPS aerial

The GPS aerial picks up GPS signals. In the event of an accident, the GPS signals are used to compute the location of the vehicle even if no navigation system is installed.

[more …]

only E81, E87: aerial splitter

These vehicles are equipped with a telephone aerial. For this reason, an additional aerial splitter is also fitted. The aerial splitter divides the aerial output between the TCU and the mobile phone.

Bluetooth aerial

The TCU communicates with the mobile phone via the bluetooth aerial.

[more …]

Emergency GSM aerial

An emergency call can be transmitted through the emergency GSM aerial if the external telephone aerial is not working, because of an accident, for example.

[more …]

Emergency loudspeaker

If an emergency call is activated and voice output via the loudspeakers in the vehicle is not possible, the system will switch to the emergency loudspeaker. The emergency loudspeaker is connected directly to the TCU (Telematic Control Unit). The emergency loudspeaker is located in the driver’s footwell.

Emergency call button

The emergency call button is located in the front headlining, in the middle next to the sliding/tilting sunroof switch. The emergency call button is used to manually trigger an emergency call. The emergency call button has an LED. A cover panel prevents the emergency call button from being pressed unintentionally.

System functions

The following system functions are described for the US car phone:

Coupling assistant

Functions inside the vehicle

Telematic services

Coupling assistant

A coupling assistant is available since 03/2007: Please refer to the Owner’s Handbook.

In order to give the customer better support when coupling bluetooth mobile phones to the vehicle, the menu in the Central Information Display (CID) has been restructured.

Here, the menu has been extended by the inclusion of a coupling assistant.

The coupling assistant includes the following features:

Step-by-step instructions for the entire coupling process on the Central Information Display (CID)

Detailed help texts and instructions for additional support in case the coupling process is not successful.

Coupling comprises four steps:

  1. Bluetooth activation
  2. Coupling
  3. Passkey input
  4. End coupling

Vehicles with BMW ”Professional” radio also have a coupling assistant.

Functions inside the vehicle

The mobile phone communicates with the TCU using the bluetooth radio standard. [more …]

Hands-free mode

In some countries, it is against the law for the driver to use a hand-held mobile phone while he is driving. It is however permissible to make a call in hands-free mode.

When a call is accepted using the transmit/receive button on the MFL (multi-function steering wheel), the telephone switches to hands-free mode. The call is then conducted with full duplex transmission

(simultaneous speaking and hearing) via the hands-free microphone and the loudspeakers in the vehicle. Voice recognition system (SVS)

The voice recognition system (SVS) integrated in the TCU is used to operate the mobile phone with voice commands. The following inputs are possible using voice commands:

Store name and phone number in telephone directory

Call up and dial name from telephone directory

Enter and dial phone number

Note: Send SMS text message (Short Message Service).

SMS text messages are not displayed on the display in the vehicle. An SMS text message is only received and transmitted by the customer’s mobile phone.

Telematic services

Telematics is a description for Services and is derived from Tele communications and infor matics. The permanently installed SIM card allows telematic services to be used without the customer’s mobile phone being present. Telematic services comprise:


Manual emergency call with display of current location

Automatic emergency call with display of current location

Breakdown call with transmission of current location and service data


Data for Condition Based Service (CBS)

Manual ServiceCall

Automatic ServiceCall


Information services

BMW Info

V-info Plus

Floating Car Data

BMW Online

Mobile Office (mobile BMW internet portal)

News, weather, share prices

Explanatory notes on a selection of telematic services:

Manual emergency call with display of current location

A manual emergency call is triggered by pressing the emergency call button in the roof function centre.

Automatic emergency call with display of current location (in the event of an accident)

In the event of an accident of a certain severity, the passive safety control unit (e.g. MRS: multiple restraint system) sends a crash signal to the TCU. The TCU automatically transmits an emergency call. Whenever an emergency call is made, the emergency number of the service provider is dialled. During this time, an LED lights up in the emergency call button. When the emergency call has been accepted and a voice connection established, the LED in the emergency call button flashes. The data transmitted by the TCU are sent to the service provider. The data include: The vehicle identification number, the coordinates of the current location, time and direction of travel (if the vehicle is moving).

Breakdown call

Call to service provider in the event of a breakdown (current location and service data are automatically transmitted).


An automatic ServiceCall is made when the service interval indicator changes from green to yellow. The service provider is informed about an inspection being due and receives information about any wear or faults. The customer is also able to start a ServiceCall manually at any time. The following vehicle data are transmitted to the service provider by SMS text message:

Vehicle identification number

ServiceCall identifier

Model code

Odometer reading

Registration date

Date and time

Colour code

Battery voltage

Fuel level

Coolant temperature

Condition Based Service (CBS) for maintenance of brakes, engine oil etc.

Note: Telematic services may differ from one country to another.

Depending on country and service provider, telematic services may have different contents. BMW Assist must be initialised in the dealer organisation before it can be used. The contractual agreement must be signed by the customer.

Displays on the Central Information Display (CID)

On vehicles with M-ASK or CCC, the following functions can be called up in the ”Communication” menu:


Telephone directory entries A – Z

Top-8 list (list of the 8 most frequently called phone numbers from the telephone directory entries)

Dialled numbers (list with last 8 phone numbers dialled)

Show missed calls

Show accepted calls

Enter and dial phone number

Coupling assistant

Parts of this function can also be called up on vehicles with BMW ”Professional” radio (RAD2).


Operation of the mobile phone and the displays on the CID (Central Information Display) or radio are described in the individual operating instructions.

Important: When you are driving, engage the mobile phone in the snap-in adapter.

This has the following benefits:

Reduced risk of injury from loose objects inside the vehicle in the event of sharp braking.

Continuous monitoring of battery charge state and automatic recharging.

Connection to vehicle’s GSM aerial providing improved reception

Low EMC levels

Enabling telematic services

Telematic services are enabled before the vehicle is handed over to the customer in the dealer organisation. The customer must sign a contract that the dealer organisation forwards to the service provider. The Service

Technician in the dealer organisation initialises the telematic services (the customer can also do this himself). Language and data services are free of charge to the customer for half a year. The contract may be extended after this period has expired.

Notes for service staff

Service staff should note the following points:

General information: —

Diagnosis: [more …]

Encoding/programming: [more …]

Subject to change.