[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-203568-105":59,"doc-detail-203568-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","e70-audio-systems-introduction","E70 Audio Systems - Introduction","","Technical module describing the E70 audio architecture used in the BMW X5 (E70), including Professional radio and Professional navigation head unit features. Explains differences between the HiFi and Top-HiFi systems in speaker and amplifier configuration, plus the relevant bus interfaces for diagnostics, coding, and signal routing (K-CAN and MOST). Covers system overview concepts such as input/output signal path diagrams, control units involved, and preparation for later service topics like diagnosis and resets.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/e70-audio-systems-introduction/203568/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/e70-audio-systems-introduction/203568.png","ImageObject",300,407,{"name":92,"@type":93},"Noah","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-15","2026-09-04",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What audio equipment is available in the new BMW X5 (E70)?","Question",{"text":112,"@type":113},"The new BMW X5 (E70) can include Professional radio and the Professional navigation system. Professional radio is standard, while the navigation head unit is based on an enhanced CCC.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the key differences between the HiFi and Top-HiFi systems on the E70?",{"text":117,"@type":113},"The HiFi system uses five tweeters, five mid-range speakers, and two central bass speakers, while the Top-HiFi system uses seven tweeters, seven mid-range speakers, and two central bass speakers. The HiFi amplifier connects via K-CAN, and the Top-HiFi amplifier connects via MOST.",{"name":119,"@type":110,"acceptedAnswer":120},"What is the purpose of the input/output diagram in the E70 audio system documentation?",{"text":121,"@type":113},"The input/output diagram provides an overview of the system as a signal path and shows the relevant control units in block representation. It emphasizes signal flow and does not detail whether communication uses bus connections, fixed wiring, or wireless—that information is contained in the system circuit diagram.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},203568,1788561931,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},8796095462418,"https://ap-avatar.wpscdn.com/avatar/80000253c1241d02b47?x-image-process=image/resize,m_fixed,w_180,h_180&k=1778826106357471780","Table of Contents  \nE70 Audio Systems  \nSubject Page  \nIntroduction ..................................................3  \nAudio Systems in the New BMW X5 ..............................3  \nSystem Overview .............................................4  \nE70 Audio Systems .............................................4  \nSystem Components .........................................18  \nProfessional Radio (CHAMP) ...................................19  \nAmplifiers and Speakers .......................................22  \nHiFi System ..................................................23  \nTop-HiFi System ..............................................24  \nTop-HiFi Amplifier .............................................25  \nIKT Antennas .................................................26  \nBlocking Circuit and HBL Filter ...............................28  \nRoof Antenna ...............................................30  \nRadio Antennas .............................................31  \nFM Antenna Diversity .......................................32  \nDigital Tuners .................................................33  \nCD Changer ..................................................35  \nRetrofitting a CD Changer ...................................38  \nAudio Jack ...................................................38  \nService Information ..........................................39  \nDiagnosis .....................................................39  \nReset ......................................................40  \nService Concept ............................................40  \nHiFi Amplifier ...............................................40  \nTop-HiFi Amplifier ..........................................41  \nAntenna Diagnosis ..........................................41  \nService Mode ...........................................41  \nHissing or Interference on Radio ...........................42  \nCD Changer ................................................43  \nInitial Print Date: 10/06 Revision Date:  \nAudio Systems  \nModel: E70  \nProduction: From Start of Production  \nAfter completion of this module you will be able to:  \n• Identify the Audio Systems Used on the E70 .  \n• Describe the different functions of the two Audio Systems of the E70  \n• Identify the components integrated to the Audio Systems on the E70 .  \n2  \nE70 Audio Systems  \nIntroduction  \nAudio Systems in the New BMW X5  \nThe following audio equipment is available in the new BMW X5 (E70):  \n• Professional radio  \n• Professional navigation system.  \nThe Professional radio is standard equipment. The standard equipment comprises the iDrive with controller and Central Information Display (CID) . US vehicles are equipped with CHAMP (Central Head unit and Multimedia Platform), the new platform for the midrange radio segment in BMW vehicles.  \nAn enhancement of the CCC (Car Communication Computer) is available as the Head unit for the Professional navigation system.  \nThe Professional radio and Professional navigation system offer eight favorites buttons. There are six favorites buttons that can be assigned favorites while the other two areassigned fixed functions.  \nCHAMP Favorites Buttons  \nThe radio and navigation system can be combined with the following speaker and amplifier systems:  \n• HiFi system  \n• Top-HiFi system.  \nThe Professional radio with HiFi system is standard equipment on US vehicles.  \nThe Top-HiFi system is available as option \"Professional HiFi system\".  \nDigital radio is available in addition to AM and FM stations, the SDARS satellite tuner will be available from market launch. High definition radio will be available at a later date.  \nNote: A single-slot CD changer is available in a BMW for the first time. This changer holds six discs, which are inserted into the unit without the use of a magazine.  \n3  \nE70 Audio Systems  \nSystem Overview  \nE70 Audio Systems  \nThe HiFi system has five tweeters, five mid-range speakers and two central bass speakers. The HiFi amplifier","cbCaiuQ0GWVXmBF4","https://ap.wps.com/l/cbCaiuQ0GWVXmBF4","pdf",742504,43,"English","# Introduction\n## Audio Systems in the New BMW X5\n## System Overview\n# E70 Audio Systems\n## System Components\n## Service Information\n## Diagnosis\n## Reset\n## Service Concept\n## HiFi Amplifier\n## Top-HiFi Amplifier\n## Antenna Diagnosis\n## Service Mode\n## Hissing or Interference on Radio\n## CD Changer\n## Initial Print Date / Revision Date","[{\"question\":\"What audio equipment is available in the new BMW X5 (E70)?\",\"answer\":\"The new BMW X5 (E70) can include Professional radio and the Professional navigation system. Professional radio is standard, while the navigation head unit is based on an enhanced CCC.\"},{\"question\":\"What are the key differences between the HiFi and Top-HiFi systems on the E70?\",\"answer\":\"The HiFi system uses five tweeters, five mid-range speakers, and two central bass speakers, while the Top-HiFi system uses seven tweeters, seven mid-range speakers, and two central bass speakers. The HiFi amplifier connects via K-CAN, and the Top-HiFi amplifier connects via MOST.\"},{\"question\":\"What is the purpose of the input/output diagram in the E70 audio system documentation?\",\"answer\":\"The input/output diagram provides an overview of the system as a signal path and shows the relevant control units in block representation. It emphasizes signal flow and does not detail whether communication uses bus connections, fixed wiring, or wireless—that information is contained in the system circuit diagram.\"}]","E70 Audio Systems - Introduction | PDF",108]