{"product_id":"cas3-semi-intelligent-remote-control-car-key-fob-for-bmw-vehicles-with-three-button-design-in-frequency-options-315mhz-433mhz-or-868mhz-a-durable-metal-copper-and-plastic-construction-replacement-key","title":"CAS3 semi-intelligent remote control car key fob for BMW vehicles with three-button design in frequency options 315Mhz, 433Mhz, or 868Mhz, a durable metal copper and plastic construction replacement key","description":"\u003ch1\u003eBMW CAS3 Semi-Intelligent Remote Car Key Fob in 315Mhz, 433Mhz or 868Mhz\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"BMW CAS3 semi-intelligent three-button remote car key fob in metal and plastic.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/248\/2025-10-02\/original-image\/2ec76310-9704-4378-9011-16e12890860e.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis product is a CAS3 semi-intelligent remote control car key designed as a replacement for BMW vehicles. The key fob features a standard three-button layout for operating the central locking and boot release. It is constructed from metal copper and plastic, combining conductive internal elements with a protective outer casing. Importantly, this key is supplied unprogrammed and requires professional coding by a qualified auto locksmith or dealership to pair with your specific vehicle's immobiliser and locking system. It is available in the model variant HU92 and must be selected according to the correct radio frequency for your car.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"BMW CAS3 semi-intelligent three-button remote car key fob in metal and plastic.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/248\/2025-10-02\/original-image\/318688d3-3669-4517-b27d-d04eea150b18.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe key is built to provide a functional replacement for original BMW keys, focusing on compatibility and core remote functions.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eThe key fob uses a two-material construction. Internal components and contacts utilise metal copper for reliable electrical signal transmission required for remote operation and immobiliser communication. The outer body is made from moulded plastic, which forms the key's shape, houses the three buttons, and provides protection against everyday impacts and handling. This combination aims for a balance of electronic performance and physical durability.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eThe source text does not provide specific dimensional data for this key fob. It is designed to match the form factor and button layout of original BMW CAS3 system keys. The product is supplied as a single, complete key fob unit. Its 'semi-intelligent' classification means it contains the necessary transponder chip for the vehicle's immobiliser system but lacks the specific vehicle data, which must be added via specialist programming equipment.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"BMW CAS3 semi-intelligent three-button remote car key fob in metal and plastic.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/248\/2025-10-02\/original-image\/638ceb2c-fc9c-4923-8fb9-f450a4b00f3b.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis key serves as a direct replacement for lost, damaged, or non-functional original BMW remote keys that use the CAS3 system.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eThe primary use case is as a replacement key procured through automotive parts suppliers. It is intended for programming by professional auto locksmiths or BMW service technicians who have the necessary diagnostic equipment to code the key to a specific vehicle. This process links the key's unique transponder code to the car's immobiliser and configures the remote's frequency to the central locking receiver.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eOnce successfully programmed, the key functions identically to an original key for the vehicle owner. It allows for remote locking and unlocking of the doors and boot from a distance. The metal and plastic build is suited to being carried on a keyring and used daily. It provides a spare or replacement option to regain full access and use of the vehicle.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"BMW CAS3 semi-intelligent three-button remote car key fob in metal and plastic.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/248\/2025-10-02\/original-image\/c5321ba1-6f5c-4f89-89d5-9c9774c712cf.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe value lies in obtaining a compatible, physical key fob that can be programmed to work with your BMW, often at a lower cost than a dealer-original key.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe product itself is a new unit. Its value in reuse comes from replacing a faulty or lost key, thereby restoring the full utility of the vehicle without the need for more extensive lock changes. Maintenance is minimal; keeping the key clean and dry helps preserve the electronic contacts and button functionality. The plastic casing and metal internal structure are designed for sustained use without complex care requirements.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eThis key is a suitable choice if you need a replacement CAS3 key for your BMW and have access to professional programming services. The availability in three frequency variants (315Mhz, 433Mhz, 868Mhz) ensures you can select the one that matches your vehicle's region and model year specifications. The combination of materials offers a robust construction for a daily-use item. It provides the essential hardware, leaving the electronic pairing to specialists with the correct tools.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"BMW CAS3 semi-intelligent three-button remote car key fob in metal and plastic.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/248\/2025-10-02\/original-image\/cc4d978e-bfb9-4f1f-b674-0ea08c3d4d95.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"BMW CAS3 semi-intelligent three-button remote car key fob in metal and plastic.\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US12\/248\/2025-10-02\/original-image\/fc96d56b-c57a-4bf0-a59f-ffd5d0d22fca.webp\"\u003e\u003c\/div\u003e","brand":"qucviy-mj","offers":[{"title":"Semi intelligent \/ 433Mhz","offer_id":59508129694030,"sku":"CJQC170993602BY","price":20.98,"currency_code":"GBP","in_stock":true},{"title":"Semi intelligent \/ 315Mhz","offer_id":59508129726798,"sku":"CJQC170993601AZ","price":20.98,"currency_code":"GBP","in_stock":true},{"title":"Semi intelligent \/ 868Mhz","offer_id":59508129759566,"sku":"CJQC170993603CX","price":20.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6895\/4190\/files\/2ec76310-9704-4378-9011-16e12890860e.webp?v=1777103273","url":"https:\/\/qucviy-mj.myshopify.com\/products\/cas3-semi-intelligent-remote-control-car-key-fob-for-bmw-vehicles-with-three-button-design-in-frequency-options-315mhz-433mhz-or-868mhz-a-durable-metal-copper-and-plastic-construction-replacement-key","provider":"Home Enjoyment","version":"1.0","type":"link"}