{"product_id":"bmw-hifi-s0676-speaker-subwoofer-upgrade-package-compose-ci3-ci5","title":"BMW HiFi S0676 F\/G Gen - Speaker \u0026 Subwoofer Upgrade Package | HELIX Ci3 \/ Ci5","description":"\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eOverview\u003c\/b\u003e Completely transform the acoustic energy of your premium cabin with the \u003cb data-path-to-node=\"4\" data-index-in-node=\"81\"\u003eBMW HiFi S0676 F\/G Gen - Speaker \u0026amp; Subwoofer Upgrade Package\u003c\/b\u003e. Purpose-built for vehicles featuring the factory amplified HiFi system, this complete bundle systematically replaces the low-fidelity factory paper midranges and muddy floor woofers throughout the vehicle. By introducing premium \u003cb data-path-to-node=\"4\" data-index-in-node=\"372\"\u003eHelix COMPOSE\u003c\/b\u003e Ci5 and Ci3 architectural drivers across both the front and rear soundstages, this system delivers sharp front stage realism, balanced surround fill, and physical, authoritative sub-seat bass response—all while remaining hidden behind original factory grilles.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eKey Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eFull Cabin Transformation:\u003c\/b\u003e Replaces both front door components, rear passenger speakers, and the underseat subwoofers for a fully unified and balanced acoustic environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eHelix COMPOSE FlexMount Design:\u003c\/b\u003e Employs Audiotec Fischer’s smart mechanical integration, allowing the upgraded 4\" midranges and silk-dome tweeters to snap cleanly into your original BMW locations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eTight, Tactile Low-End Impact:\u003c\/b\u003e Swaps out loose factory floor woofers with dual high-output 8\" subwoofers engineered to maximize structural displacement beneath the front seats.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003e100% Non-Destructive Fitment:\u003c\/b\u003e Interconnects using vehicle-specific adapter brackets and plug-matching wiring clips that lock onto your original factory lines with zero wire cutting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003ePlease Read Before Purchasing\u003c\/b\u003e Our Plug \u0026amp; Play (PnP) upgrade packages are listed primarily for dealer use and professional installation, but some may also suit confident DIY users, particularly those based on MATCH systems.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eWho These Packages Are For\u003c\/b\u003e While MATCH systems are generally more accessible for DIY installations, HELIX packages typically require advanced tuning skills to unlock their full potential.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Tuning Notes\u003c\/b\u003e Most packages install easily, but minor modifications may be needed depending on your vehicle's exact year and trim.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eInstallation\u003c\/b\u003e Please note: Installation fees are not included in the product price. Your nearest dealer will be happy to provide a complete quote including supply, installation, and tuning. HELIX \u0026amp; MATCH DSP amplifiers in particular are premium tuning products and will deliver exceptional results when tuned by professionals. We highly recommend contacting one of our authorised dealers for help with installation and tuning. A map of dealer locations is available at the bottom of the page for your convenience.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e📦 Available for online purchase through \u003cb data-path-to-node=\"11\" data-index-in-node=\"41\"\u003eMC Audio Sydney\u003c\/b\u003e. As a professional car audio integration specialist, \u003cb data-path-to-node=\"11\" data-index-in-node=\"110\"\u003eMC Audio Sydney\u003c\/b\u003e supplies genuine components and offers \u003cb data-path-to-node=\"11\" data-index-in-node=\"165\"\u003eexpert installation services in Sydney, with Australia-wide shipping available\u003c\/b\u003e.\u003c\/p\u003e","brand":"Mechatronicar Audio","offers":[{"title":"Default Title","offer_id":51925693661469,"sku":"93216","price":1823.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/7607\/0685\/files\/0.47556200_1782315846.webp?v=1782315848","url":"https:\/\/mcaudio.shop\/products\/bmw-hifi-s0676-speaker-subwoofer-upgrade-package-compose-ci3-ci5","provider":"Mechatronicar Audio","version":"1.0","type":"link"}