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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Functional Descriptions - F25 - Information & Entertainment System
2013 BMW X3 35iSECTION Functional Descriptions - F25 - Information & Entertainment System
- Information & Entertainment System - Functional Description
- Active Sound Design (ASD)
- Adjusting the compass display
- Aerial amplifier and aerial diversity module
- Audio amplifier (Ver.1)
- Audio amplifier (Ver.2)
- Audio test CD
- BMW Night Vision
- BMW Professional telematics
- Notes
- Prerequisite for the use of BMW Professional telematics
- Description of the services
- Safety services
- Convenience services
- Vehicle services
- Functional networking
- Functional networking of Professional telematics
- System functions
- Enhanced emergency call
- BMW Assist
- BMW Online
- BMW Mobile Office
- BMW AppCenter
- BMW Remote Access Service
- Manual BMW TeleServices call
- Automatic BMW TeleServices call
- BMW TeleServices diagnosis including BMW TeleServices help
- BMW TeleServices call with integration in Check Control message
- BMW Teleservice Report
- BMW Teleservice Battery Guard
- BMW Teleservice Update
- Notes for Service department
- Bang & Olufsen High End Surround Sound System
- Notes
- Brief component description
- High End audio amplifier
- Headunit
- Central information display (CID)
- Controller (CON)
- Extendible dashboard speaker
- Speakers
- Microphone
- System overview
- System functions
- Electronic power-up
- Electronic power-down
- Undervoltage cutout
- Bang & Olufsen light setting
- Bang & Olufsen tone setting
- Automatic volume and tone setting
- Enable line
- Overview of possible faults during a customer-initiated software update (KISA)
- CD changer and DVD changer
- CD changer/DVD changer audio/video (CDC/DVDC)
- Brief component description
- CD changer/DVD changer audio/video (CDC/DVDC)
- Headunit (CCC/radio/MASK and successor) with controller
- MOST bus
- System functions
- Mounting/damping
- Playback
- Change
- Muting
- Notes for Service department
- Malfunctions caused by poor-quality or damaged CDs/DVDs
- Faults with transparent CDs/DVDs
- Manufacturing defects
- Warpage
- Faulty "Eject" function
- Checking CD/DVD changer for scanning faults
- Changer: Quality check
- Car Access System
- Notes
- Brief component description
- CAS: Control unit
- Start/stop button
- Electric steering lock
- Remote control key and ID transmitter
- Outside door handle electronics
- Comfort Access aerials
- Remote control receiver
- Notes for Service department
- Important information regarding the activation of spare keys
- Important notes on ELV (electric steering lock) diagnosis
- Notes on encoding/programming
- Car Information Computer
- Notes
- Brief component description
- Car Information Computer
- Central Information Computer with LVDS interface
- Controller
- USB connection
- System functions
- Car Information Computer system network
- Functional enhancement on the Car Information Computer
- Personalization of settings
- Notes for Service department
- Diagnosis instructions
- Programming information
- Central information display (Ver.1)
- Central information display (Ver.2)
- Combox multimedia (CBX-MEDIA) and Combox emergency call (CBX-ECALL)
- Notes
- Brief component description
- Combox multimedia (CBX-MEDIA) and Combox emergency call (CBX-ECALL)
- Aerials/antennas
- SOS button with emergency call LED
- Emergency loudspeaker
- Microphone and microphone 2
- Front base plate
- USB audio interface
- USB hub
- Functional networking
- Functional networking telematics and telephone
- Functional networking, telephone
- Functional networking USB audio interface (SA6FL) or extended connectivity of the music player in the mobile phone (SA6FN)
- System functions
- Compatibility check for USB devices
- Controller (Ver.1)
- Controller (Ver.2)
- Diversity aerial
- DVD changer (DVDC)
- Fault indications for the headunit-supported telephony
- Fault symptom overview CBX-MEDIA
- Fault symptom overview CBX-MEDIA + CBX-ECALL
- Fault symptom overview TCU1.5 MOST
- Fault symptom overview ULF-SBX-HMOST
- Fault symptom overview: TCU 1.5 MOST + ULF-SBX-HMOST parallel installation
- Fault symptom overview: ULF-SBXMOST
- Functional description BMW Connected
- Functional description Bluetooth test IMIBR1
- Functional description Bluetooth test IMIBR2
- Bluetooth test with the (IMIB) Integrated Measurement Interface BoxR2
- Step 1 (Preparing the IMIB)
- Step 2 (Preparing the IMIB)
- Step 3 (Bluetooth device search)
- Step 4 (Selecting the vehicle and connecting)
- Step 5 (For SSP only - Secure Simple Pairing)
- Step 6 (After successful connection)
- Step 7 (Terminating a connection)
- Step 8 (Deleting the IMIB from the vehicle)
- Functional description of BMW Connected for Google Android
- Functional description of USB test IMIBR1
- Functional description of USB test IMIBR2
- Functional description of integrated Bluetooth check
- Functional description of the telephone function
- Functional description, integrated USB test
- General diagnosis instructions for checking the telecommunication system (Ver.1)
- General diagnosis instructions for checking the telecommunication system (Ver.2)
- General diagnosis instructions to customer-initiated software update (KISA)
- General information on the diagnosis of sound output and audio amplifier
- Geometrical characteristics of CDs and DVDs
- GSM code for querying credits on SIM cards
- HU-B
- Head-Up Display
- Headunit
- Headunit Basis
- Headunit High (HU-H)
- Help instruction for ConnectedDrive
- Hi-fi amplifier
- Notes for checking interference noise from the speakers
- Notes on parallel installation of TCU and ULF-SBX-H
- Notes concerning Night Vision electronics
- Radio (generation 1.2)
- Radio as headunit
- Rear phone - currently known fault patterns
- Rear seat entertainment system (Ver.1)
- Rear seat entertainment system (Ver.2)
- Reversing camera (all-round vision camera)
- Setting of the NVE camera (Ver.1)
- Setting of the NVE camera (Ver.2)
- Signals in message invalid
- Structure-borne sound measurement
- Subwoofer fanfare and tweeter fanfare
- Teach in information for the key
- Teaching the radio remote control for Rear Seat Entertainment (RSE)
- Teaching the radio remote control of the Rear Seat Entertainment system
- Telematic Communication Box (TCB)
- Telematic Communication Box (TCB) basic version
- Terminal 15
- The Telestart transmitter (Ver.1)
- The Telestart transmitter (Ver.2)
- Top Rear Side View Camera (TRSVC)
- Touchbox (TBX) with controller (CON) and rear-compartment controller (FCON)
- Vendor ID and product ID
- Video connection for smartphone
- Video diagnosis
- Video module (Ver.1)
- Video module (Ver.2)
- Video switch
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.