{"id":420304,"date":"2021-11-17T15:04:11","date_gmt":"2021-11-17T14:04:11","guid":{"rendered":"https:\/\/transfercasepartshop.com\/uncategorized\/sprocket-output-atc45l\/"},"modified":"2026-04-02T23:53:17","modified_gmt":"2026-04-02T21:53:17","slug":"sprocket-output-atc45l","status":"publish","type":"product","link":"https:\/\/transfercasepartshop.com\/en\/bmw-en-2\/atc45l-en-2\/sprocket-output-atc45l\/","title":{"rendered":"Sprocket Output (ATC45L)"},"content":{"rendered":"<p>This output unit connects to the driveshaft, thereby facilitating the proper and uniform power transfer between the front and rear axles<\/p>\n<div class=\"faq-section\">\n<details>\n<summary>What exactly does the sprocket output do in my BMW ATC45L transfer case?<\/summary>\n<p>The sprocket output is a critical component that connects the transfer case internal assembly to the driveshaft. Its main job is to ensure a smooth, uniform transfer of torque between the front and rear axles, which is essential for the proper functioning of your BMW&#8217;s xDrive system.<\/p>\n<\/details>\n<details>\n<summary>How do I know if my ATC45L sprocket output is failing?<\/summary>\n<p>Common symptoms include a jerking sensation during acceleration, strange clunking noises coming from under the vehicle, or vibrations while driving. If the splines on the sprocket wear down, you may experience a total loss of power to one of the axles and see xDrive error lights on your dashboard.<\/p>\n<\/details>\n<details>\n<summary>Will this part fit my specific BMW model?<\/summary>\n<p>This sprocket output is specifically designed for the ATC45L transfer case, which is commonly found in various BMW xDrive models (such as the X3, X5, and X6). To be 100% sure, you should verify if your vehicle is equipped with the ATC45L unit before purchasing.<\/p>\n<\/details>\n<details>\n<summary>Can a worn sprocket output damage my driveshaft?<\/summary>\n<p>Yes, if the connection between the sprocket and the driveshaft becomes loose or stripped due to wear, it can cause excessive vibration and uneven wear on the driveshaft splines, potentially leading to a much more expensive repair if not addressed early.<\/p>\n<\/details>\n<details>\n<summary>Is it difficult to replace the ATC45L sprocket output?<\/summary>\n<p>Replacing this part requires opening the transfer case, which is a technical task. It involves removing the unit from the vehicle, disassembling the housing, and ensuring all seals and chains are correctly aligned. We recommend this be performed by a professional mechanic or a transmission specialist.<\/p>\n<\/details>\n<\/div>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What exactly does the sprocket output do in my BMW ATC45L transfer case?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The sprocket output is a critical component that connects the transfer case internal assembly to the driveshaft. Its main job is to ensure a smooth, uniform transfer of torque between the front and rear axles, which is essential for the proper functioning of your BMW's xDrive system.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I know if my ATC45L sprocket output is failing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Common symptoms include a jerking sensation during acceleration, strange clunking noises coming from under the vehicle, or vibrations while driving. If the splines on the sprocket wear down, you may experience a total loss of power to one of the axles.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this part fit my specific BMW model?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This sprocket output is specifically designed for the ATC45L transfer case, commonly found in BMW xDrive models like the X3, X5, and X6. Always verify your transfer case model (ATC45L) before purchasing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can a worn sprocket output damage my driveshaft?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, a loose or stripped sprocket can cause excessive vibration and damage the driveshaft splines, leading to more costly repairs if the issue is ignored.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is it difficult to replace the ATC45L sprocket output?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, replacement involves removing and opening the transfer case unit. It is a technical procedure that should ideally be handled by a professional mechanic or transmission specialist.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>This output unit connects to the driveshaft, thereby facilitating the proper and uniform power transfer between the front and rear axles What exactly does the &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Sprocket Output (ATC45L)\" class=\"read-more button\" href=\"https:\/\/transfercasepartshop.com\/en\/bmw-en-2\/atc45l-en-2\/sprocket-output-atc45l\/#more-420304\" aria-label=\"Read more about Sprocket Output (ATC45L)\">Read more<\/a><\/p>","protected":false},"featured_media":394554,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[127,133],"product_tag":[391,256],"class_list":{"0":"post-420304","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bmw-en-2","7":"product_cat-atc45l-en-2","8":"product_tag-magna-powertrain-en","9":"product_tag-shafts-gears","10":"infinite-scroll-item","11":"no-featured-image-padding","12":"resize-featured-image","13":"sales-flash-overlay","14":"woocommerce-text-align-center","15":"woocommerce-image-align-center","16":"wc-has-gallery","18":"first","19":"instock","20":"taxable","21":"shipping-taxable","22":"purchasable","23":"product-type-simple"},"acf":{"s-tec_number":"SP00074","oem-ref":"","tartalom":"","lamella-alert":"","transfer_case_application_v2":["BMW ATC45L 2006-2018 X5 E70, E70 LCI","BMW ATC45L 2008-2014 X6 E71, E72 hybrid","BMW ATC45L 2010-2017 X3 F25","BMW ATC45L 2013-2018 X5 F15","BMW ATC45L 2014-2018 X4 F26","BMW ATC45L 2014-2018 X6 F16","BMW ATC45L 2014-2018 X6 M F86"],"transfer_case_application":"","kulso_raktar":2,"google_ads_kep":423444,"gtin":9009381099741},"_links":{"self":[{"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/product\/420304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/comments?post=420304"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/media\/394554"}],"wp:attachment":[{"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/media?parent=420304"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/product_brand?post=420304"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/product_cat?post=420304"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/transfercasepartshop.com\/en\/wp-json\/wp\/v2\/product_tag?post=420304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}