{"product_id":"bmw-cas4-remanufactured-exchange-service-original-cas4-required-plug-play-replacement-1","title":"BMW CAS4+ Remanufactured Exchange Service | Original CAS4+ Required | Plug \u0026 Play Replacement","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a108306-e1b4-83ea-9b6e-6a0791e154e9-9\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a108306-e1b4-83ea-9b6e-6a0791e154e9-9\" data-turn-id-container=\"request-6a108306-e1b4-83ea-9b6e-6a0791e154e9-9\" data-testid=\"conversation-turn-30\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c64fd7f9-8b87-4fdf-9bcd-78ae7188bcb7\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"168\" data-end=\"554\"\u003eAt \u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/lacorteautomotive.com?utm_source=chatgpt.com\" target=\"_blank\"\u003eLacorte Automotive\u003c\/a\u003e\u003c\/span\u003e, we provide a professional mail-in CAS4+ remanufactured exchange service for BMW vehicles equipped with CAS4+ immobilizer systems. This service is intended for customers dealing with failed CAS modules, no-start conditions, or key authentication problems who need a dependable replacement solution without expensive dealership replacement costs.\u003c\/p\u003e\n\u003cp data-start=\"556\" data-end=\"733\"\u003eYou send us your original CAS4+ module, and we provide a professionally remanufactured replacement programmed using the data from your original unit for simplified installation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"r63o80\" data-start=\"735\" data-end=\"760\"\u003eHow the Service Works\u003c\/h3\u003e\n\u003col data-start=\"761\" data-end=\"1025\"\u003e\n\u003cli data-section-id=\"lgviui\" data-start=\"761\" data-end=\"787\"\u003ePurchase this service\u003c\/li\u003e\n\u003cli data-section-id=\"14irxbu\" data-start=\"788\" data-end=\"830\"\u003eShip your original CAS4+ module to us\u003c\/li\u003e\n\u003cli data-section-id=\"1vgloqf\" data-start=\"831\" data-end=\"889\"\u003eWe transfer the required immobilizer and vehicle data\u003c\/li\u003e\n\u003cli data-section-id=\"1aeaz0p\" data-start=\"890\" data-end=\"961\"\u003eYour remanufactured CAS4+ replacement is prepared and bench tested\u003c\/li\u003e\n\u003cli data-section-id=\"rkhx0\" data-start=\"962\" data-end=\"1025\"\u003eWe ship the replacement module back ready for installation\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-section-id=\"1atjakk\" data-start=\"1027\" data-end=\"1047\"\u003eWhat You Receive\u003c\/h3\u003e\n\u003cul data-start=\"1048\" data-end=\"1294\"\u003e\n\u003cli data-section-id=\"17m5ces\" data-start=\"1048\" data-end=\"1094\"\u003eProfessionally remanufactured CAS4+ module\u003c\/li\u003e\n\u003cli data-section-id=\"mdpny0\" data-start=\"1095\" data-end=\"1139\"\u003eData transferred from your original unit\u003c\/li\u003e\n\u003cli data-section-id=\"1jaq4yt\" data-start=\"1140\" data-end=\"1173\"\u003eBench tested replacement unit\u003c\/li\u003e\n\u003cli data-section-id=\"1tumf2d\" data-start=\"1174\" data-end=\"1242\"\u003eSimplified plug-and-play installation for supported applications\u003c\/li\u003e\n\u003cli data-section-id=\"1n968qn\" data-start=\"1243\" data-end=\"1294\"\u003eSecure handling of immobilizer and vehicle data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1whh3r\" data-start=\"1296\" data-end=\"1329\"\u003eCommon CAS4+ Failure Symptoms\u003c\/h3\u003e\n\u003cul data-start=\"1330\" data-end=\"1519\"\u003e\n\u003cli data-section-id=\"scx8yb\" data-start=\"1330\" data-end=\"1365\"\u003eVehicle will not crank or start\u003c\/li\u003e\n\u003cli data-section-id=\"1au803w\" data-start=\"1366\" data-end=\"1386\"\u003eKey not detected\u003c\/li\u003e\n\u003cli data-section-id=\"17u8121\" data-start=\"1387\" data-end=\"1414\"\u003eIgnition not responding\u003c\/li\u003e\n\u003cli data-section-id=\"icne00\" data-start=\"1415\" data-end=\"1443\"\u003eCAS communication faults\u003c\/li\u003e\n\u003cli data-section-id=\"1jeysjd\" data-start=\"1444\" data-end=\"1472\"\u003eWater damaged CAS module\u003c\/li\u003e\n\u003cli data-section-id=\"19cq7v2\" data-start=\"1473\" data-end=\"1519\"\u003eIntermittent starting or electrical issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1v5737w\" data-start=\"1521\" data-end=\"1546\"\u003eImportant Information\u003c\/h3\u003e\n\u003cul data-start=\"1547\" data-end=\"1826\"\u003e\n\u003cli data-section-id=\"doisw7\" data-start=\"1547\" data-end=\"1610\"\u003eYour original CAS4+ module must be sent in for this service\u003c\/li\u003e\n\u003cli data-section-id=\"f3rbik\" data-start=\"1611\" data-end=\"1674\"\u003eInclude your VIN and contact information inside the package\u003c\/li\u003e\n\u003cli data-section-id=\"953xod\" data-start=\"1675\" data-end=\"1760\"\u003ePreviously opened or physically damaged modules may require additional inspection\u003c\/li\u003e\n\u003cli data-section-id=\"dbk28t\" data-start=\"1761\" data-end=\"1826\"\u003eTurnaround times may vary depending on inventory availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"j74ncz\" data-start=\"1828\" data-end=\"1850\"\u003eSupported Vehicles\u003c\/h3\u003e\n\u003cp data-start=\"1851\" data-end=\"1922\"\u003eCompatible with many BMW F-Series vehicles equipped with CAS4+ systems.\u003c\/p\u003e\n\u003cp data-start=\"1924\" data-end=\"2028\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you are unsure about compatibility, contact us before purchasing with your VIN and CAS4+ part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"LaCorte Automotive","offers":[{"title":"Default Title","offer_id":43773489774670,"sku":null,"price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/9442\/8494\/files\/ChatGPTImageMay22_2026_12_47_49PM.png?v=1779472080","url":"https:\/\/lacorteautomotive.com\/products\/bmw-cas4-remanufactured-exchange-service-original-cas4-required-plug-play-replacement-1","provider":"LaCorte Automotive","version":"1.0","type":"link"}