Safety Warning
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.
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HOMESERVICE MANUALSBMW2011335XI 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTINFORMATION & ENTERTAINMENT SYSTEM - FUNCTIONAL DESCRIPTION -- E90
2011 BMW 335xi 4D Sedan, Automatic
Information & Entertainment System - Functional Description -- E90
2011 BMW 335xi 4D Sedan, AutomaticSECTION Information & Entertainment System - Functional Description -- E90
- Information & Entertainment System - Functional Description
- Active Sound Design
- Adjusting Compass Display
- Aerial Diagnosis
- Audio Amplifier
- 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
- Car Communication Computer (CCC) Navigation
- CCC Tips And Tricks
- 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
- Cd Changer Audio/Video (CDC/DVDC)
- Cd/DVD Changer: Quality Check
- Controller (Con) Voltage Supply
- 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
- Notice! Special feature of programming
- Functional enhancement on the Car Information Computer
- Personalization of settings
- Notes for Service department
- Car Access System (CAS)
- Digital Radio (Dab) Tuner
- COMBOX Multimedia And COMBOX Emergency Call
- Combox multimedia (CBX-MEDIA) and Combox emergency call (CBX-ECALL)
- Brief component description
- 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
- Fault Indications For HEADUNIT-Supported Telephony
- Fault Profiles For Central Information Display
- 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
- Folding Central Information Display (CID)
- BMW Connected
- BLUETOOTH Test IMIBR1
- BLUETOOTH Test IMIBR2
- BMW Connected For Google Android
- USB Test IMIBR1
- USB Test IMIBR2
- Integrated BLUETOOTH Check
- Digital Tuner (Us)
- Integrated USB Test
- GSM Code For Querying Credits On Sim Cards
- General Diagnosis Instructions For Checking Telecommunication System
- Geometrical Characteristics Of CDS And DVDS
- HEADUNIT
- Notes
- Brief component description
- CIC: Car Information Computer
- CID: Central Information Display with LVDS interface
- Notice! Orange-colored display in the event of a fault
- CON: Controller
- CON: Rear-compartment controller
- USB connection
- Notice! No import is possible via the USB audio interface!
- System functions
- Car Information Computer system network
- Notice! Special feature of programming
- Functional enhancement on the Car Information Computer
- Personalization of settings
- Notes for Service department
- Help Instruction For CONNECTEDDRIVE
- Hi-FI Amplifier
- General Information On Diagnosis Of Sound Output And Audio Amplifier
- Loss Of Voice Control
- Multi-Audio System Controller (M-Ask)
- Most Bus
- Most Control Modules: OVERTEMPERATURE Cutout
- Most System Analysis
- Navigation Professional With Real Time Traffic Information (RTTI)
- Navigation System Japan With Hard Drive
- Checking Interference Noise From The Speakers
- Parallel Installation Of Telematics Control Unit (TCU) And Interface Box "High" (ULF-SBX-H)
- Picture Output
- Picture Signals CVBS And RGB
- Rad2 Fault Patterns
- Rad2 Service Mode
- Service mode
- Display of the serial number
- Display of the software version
- Display of the revision index
- Display and setting adjustment for speed-dependent volume control (GAL)
- Display and adjustment of the setting for aerial selection
- Frequency display, field strength and station transmission quality
- Display of status and incrementation of the digital sound processor
- Display and adjustment of the minimum volume for traffic reports
- Display test
- Display and adjustment of settings for reception areas
- Adjustment of the setting for alternate frequency tracing
- Display of test operation in development
- Display and adjustment settings of the Car & Key Memory
- Note: Save and exit
- Radio
- Real Time Traffic Information Splitter
- Radio (Service Mode)
- Satellite Tuner
- TV Reception
- TELEMATIC Communication Box
- Telematic Communication Box (TCB)
- Brief component description
- TCB: Control unit for Telematic Communication Box
- Aerials/antennas
- SOS button with emergency call LED
- Emergency loudspeaker
- Emergency battery
- Microphone
- Functional networking
- Functional networking of telematics for headunit
- System functions
- Notes for Service department
- Telematics Communication Box Basic Version
- Vendor Id And Product Id
- Video Connection For Smartphone
- Video Diagnosis
- Video Module
- Voice Recognition System In Interface Box High (ULF-SBX-H)
- Voltage Supply For Central Information Display (CID)
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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.