{"product_id":"bmw-cas3-remanufactured-exchange-service-original-cas3-required-plug-play-replacement","title":"BMW CAS3 Remanufactured Exchange Service | Original CAS3 Required | Plug \u0026 Play Replacement","description":"\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e779d75c-8cfc-4cda-98cc-36788c0e2bde\" 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=\"165\" data-end=\"555\"\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 CAS3 remanufactured exchange service for BMW vehicles equipped with CAS3 immobilizer systems. This service is ideal for customers dealing with failed CAS modules, intermittent no-start conditions, or key recognition issues and looking for a dependable replacement solution without expensive dealership programming.\u003c\/p\u003e\n\u003cp data-start=\"557\" data-end=\"733\"\u003eYou send us your original CAS3 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=\"1023\"\u003e\n\u003cli data-section-id=\"lgviui\" data-start=\"761\" data-end=\"787\"\u003ePurchase this service\u003c\/li\u003e\n\u003cli data-section-id=\"16t8wba\" data-start=\"788\" data-end=\"829\"\u003eShip your original CAS3 module to us\u003c\/li\u003e\n\u003cli data-section-id=\"1vgloqf\" data-start=\"830\" data-end=\"888\"\u003eWe transfer the required immobilizer and vehicle data\u003c\/li\u003e\n\u003cli data-section-id=\"kqpmf9\" data-start=\"889\" data-end=\"959\"\u003eYour remanufactured CAS3 replacement is prepared and bench tested\u003c\/li\u003e\n\u003cli data-section-id=\"rkhx0\" data-start=\"960\" data-end=\"1023\"\u003eWe ship the replacement module back ready for installation\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-section-id=\"1atjakk\" data-start=\"1025\" data-end=\"1045\"\u003eWhat You Receive\u003c\/h3\u003e\n\u003cul data-start=\"1046\" data-end=\"1291\"\u003e\n\u003cli data-section-id=\"3dflso\" data-start=\"1046\" data-end=\"1091\"\u003eProfessionally remanufactured CAS3 module\u003c\/li\u003e\n\u003cli data-section-id=\"mdpny0\" data-start=\"1092\" data-end=\"1136\"\u003eData transferred from your original unit\u003c\/li\u003e\n\u003cli data-section-id=\"1jaq4yt\" data-start=\"1137\" data-end=\"1170\"\u003eBench tested replacement unit\u003c\/li\u003e\n\u003cli data-section-id=\"1tumf2d\" data-start=\"1171\" data-end=\"1239\"\u003eSimplified plug-and-play installation for supported applications\u003c\/li\u003e\n\u003cli data-section-id=\"1n968qn\" data-start=\"1240\" data-end=\"1291\"\u003eSecure handling of immobilizer and vehicle data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"r93857\" data-start=\"1293\" data-end=\"1325\"\u003eCommon CAS3 Failure Symptoms\u003c\/h3\u003e\n\u003cul data-start=\"1326\" data-end=\"1505\"\u003e\n\u003cli data-section-id=\"scx8yb\" data-start=\"1326\" data-end=\"1361\"\u003eVehicle will not crank or start\u003c\/li\u003e\n\u003cli data-section-id=\"1w7x3e\" data-start=\"1362\" data-end=\"1384\"\u003eKey not recognized\u003c\/li\u003e\n\u003cli data-section-id=\"17u8121\" data-start=\"1385\" data-end=\"1412\"\u003eIgnition not responding\u003c\/li\u003e\n\u003cli data-section-id=\"icne00\" data-start=\"1413\" data-end=\"1441\"\u003eCAS communication faults\u003c\/li\u003e\n\u003cli data-section-id=\"1jeysjd\" data-start=\"1442\" data-end=\"1470\"\u003eWater damaged CAS module\u003c\/li\u003e\n\u003cli data-section-id=\"3q943z\" data-start=\"1471\" data-end=\"1505\"\u003eIntermittent starting problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1v5737w\" data-start=\"1507\" data-end=\"1532\"\u003eImportant Information\u003c\/h3\u003e\n\u003cul data-start=\"1533\" data-end=\"1811\"\u003e\n\u003cli data-section-id=\"12x2onf\" data-start=\"1533\" data-end=\"1595\"\u003eYour original CAS3 module must be sent in for this service\u003c\/li\u003e\n\u003cli data-section-id=\"f3rbik\" data-start=\"1596\" data-end=\"1659\"\u003eInclude your VIN and contact information inside the package\u003c\/li\u003e\n\u003cli data-section-id=\"953xod\" data-start=\"1660\" data-end=\"1745\"\u003ePreviously opened or physically damaged modules may require additional inspection\u003c\/li\u003e\n\u003cli data-section-id=\"dbk28t\" data-start=\"1746\" data-end=\"1811\"\u003eTurnaround times may vary depending on inventory availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"j74ncz\" data-start=\"1813\" data-end=\"1835\"\u003eSupported Vehicles\u003c\/h3\u003e\n\u003cp data-start=\"1836\" data-end=\"1932\"\u003eCompatible with many BMW E-Series and select early F-Series vehicles equipped with CAS3 systems.\u003c\/p\u003e\n\u003cp data-start=\"1934\" data-end=\"2037\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you are unsure about compatibility, contact us before purchasing with your VIN and CAS3 part number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"LaCorte Automotive","offers":[{"title":"Default Title","offer_id":43772704227406,"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_11_38_46AM.png?v=1779467931","url":"https:\/\/lacorteautomotive.com\/products\/bmw-cas3-remanufactured-exchange-service-original-cas3-required-plug-play-replacement","provider":"LaCorte Automotive","version":"1.0","type":"link"}