{"product_id":"bmw-cas4-remanufactured-exchange-service-original-cas4-required-plug-play-replacement","title":"BMW CAS4 Remanufactured Exchange Service | Original CAS4 Required | Plug \u0026 Play Replacement","description":"\u003cp data-start=\"165\" data-end=\"540\"\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 designed for customers experiencing no-start conditions, key detection issues, or CAS communication faults and looking for a reliable replacement without dealership-level programming costs.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"718\"\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=\"720\" data-end=\"745\"\u003eHow the Service Works\u003c\/h3\u003e\n\u003col data-start=\"746\" data-end=\"1008\"\u003e\n\u003cli data-section-id=\"lgviui\" data-start=\"746\" data-end=\"772\"\u003ePurchase this service\u003c\/li\u003e\n\u003cli data-section-id=\"y31zu9\" data-start=\"773\" data-end=\"814\"\u003eShip your original CAS4 module to us\u003c\/li\u003e\n\u003cli data-section-id=\"1vgloqf\" data-start=\"815\" data-end=\"873\"\u003eWe transfer the required immobilizer and vehicle data\u003c\/li\u003e\n\u003cli data-section-id=\"1jhd9cy\" data-start=\"874\" data-end=\"944\"\u003eYour remanufactured CAS4 replacement is prepared and bench tested\u003c\/li\u003e\n\u003cli data-section-id=\"rkhx0\" data-start=\"945\" data-end=\"1008\"\u003eWe ship the replacement module back ready for installation\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-section-id=\"1atjakk\" data-start=\"1010\" data-end=\"1030\"\u003eWhat You Receive\u003c\/h3\u003e\n\u003cul data-start=\"1031\" data-end=\"1276\"\u003e\n\u003cli data-section-id=\"zpoh33\" data-start=\"1031\" data-end=\"1076\"\u003eProfessionally remanufactured CAS4 module\u003c\/li\u003e\n\u003cli data-section-id=\"mdpny0\" data-start=\"1077\" data-end=\"1121\"\u003eData transferred from your original unit\u003c\/li\u003e\n\u003cli data-section-id=\"1jaq4yt\" data-start=\"1122\" data-end=\"1155\"\u003eBench tested replacement unit\u003c\/li\u003e\n\u003cli data-section-id=\"1tumf2d\" data-start=\"1156\" data-end=\"1224\"\u003eSimplified plug-and-play installation for supported applications\u003c\/li\u003e\n\u003cli data-section-id=\"1n968qn\" data-start=\"1225\" data-end=\"1276\"\u003eSecure handling of immobilizer and vehicle data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"ralj6k\" data-start=\"1278\" data-end=\"1310\"\u003eCommon CAS4 Failure Symptoms\u003c\/h3\u003e\n\u003cul data-start=\"1311\" data-end=\"1500\"\u003e\n\u003cli data-section-id=\"scx8yb\" data-start=\"1311\" data-end=\"1346\"\u003eVehicle will not crank or start\u003c\/li\u003e\n\u003cli data-section-id=\"1au803w\" data-start=\"1347\" data-end=\"1367\"\u003eKey not detected\u003c\/li\u003e\n\u003cli data-section-id=\"17u8121\" data-start=\"1368\" data-end=\"1395\"\u003eIgnition not responding\u003c\/li\u003e\n\u003cli data-section-id=\"icne00\" data-start=\"1396\" data-end=\"1424\"\u003eCAS communication faults\u003c\/li\u003e\n\u003cli data-section-id=\"1jeysjd\" data-start=\"1425\" data-end=\"1453\"\u003eWater damaged CAS module\u003c\/li\u003e\n\u003cli data-section-id=\"snxrym\" data-start=\"1454\" data-end=\"1500\"\u003eIntermittent electrical or starting issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1v5737w\" data-start=\"1502\" data-end=\"1527\"\u003eImportant Information\u003c\/h3\u003e\n\u003cul data-start=\"1528\" data-end=\"1806\"\u003e\n\u003cli data-section-id=\"1g2x9sc\" data-start=\"1528\" data-end=\"1590\"\u003eYour original CAS4 module must be sent in for this service\u003c\/li\u003e\n\u003cli data-section-id=\"f3rbik\" data-start=\"1591\" data-end=\"1654\"\u003eInclude your VIN and contact information inside the package\u003c\/li\u003e\n\u003cli data-section-id=\"953xod\" data-start=\"1655\" data-end=\"1740\"\u003ePreviously opened or physically damaged modules may require additional inspection\u003c\/li\u003e\n\u003cli data-section-id=\"dbk28t\" data-start=\"1741\" data-end=\"1806\"\u003eTurnaround times may vary depending on inventory availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"j74ncz\" data-start=\"1808\" data-end=\"1830\"\u003eSupported Vehicles\u003c\/h3\u003e\n\u003cp data-start=\"1831\" data-end=\"1919\"\u003eCompatible with many late E-Series and F-Series BMW vehicles equipped with CAS4 systems.\u003c\/p\u003e\n\u003cp data-start=\"1921\" data-end=\"2024\" 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","brand":"LaCorte Automotive","offers":[{"title":"Default Title","offer_id":43773451698254,"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_44_30PM.png?v=1779471878","url":"https:\/\/lacorteautomotive.com\/products\/bmw-cas4-remanufactured-exchange-service-original-cas4-required-plug-play-replacement","provider":"LaCorte Automotive","version":"1.0","type":"link"}