{"product_id":"bmw-motorsport-ring-and-pinion-genuine-bmw-23008437087","title":"Motorsport Ring \u0026 Pinion Gear Set, 4.10 - E46 M3, E9X M3","description":"\u003cp\u003e23008437087\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part is listed by BMW as BMW part number 33108321899 (33-10-8-321-899) and is described as 4.10 Ring \u0026amp; Pinion Set for the 210mm rear differential, as found in many M cars. \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eLooking to shorten your gearing for better mechanical advantage and acceleration on your E46 M3, E9X M3, or E85\/E85 Z4 M? This authentic 4.10:1 Motorsport ring \u0026amp; pinion is what we use in any pro race car or street car build when there's a need for aggressively shorter gearing. \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis is a part that we buy directly from BMW Motorsport. It was originally designed by Motorsport engineers for competition use in a factory BMW racing program. As a part designed for competition use, it does not have a warranty. BMW Motorsport parts may sometimes be in short supply and orders are released at the discretion of BMW Motorsport. If a part is not in stock, contact us for the latest estimate on delivery time.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis can be used on a street, track, or race car. Be aware this shorter gearing does effectively reduce your theoretic top speed at red line (which generally isn't a problem at most tracks or driving situations). \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFor full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"allcategories\"\u003e\n\u003cdiv class=\"allcategories_subsection_first\"\u003e\n\u003cbr\u003e\u003cb\u003eBMW Fitments:\u003c\/b\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"allcategories_subsection\"\u003e\n\u003cb\u003e3 Series\u003c\/b\u003e\u003cbr\u003eE46 (99-05) \u0026gt; M3\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"allcategories_subsection\"\u003e\n\u003cb\u003e3 Series\u003c\/b\u003e\u003cbr\u003eE90 \/ E91 \/ E92 \/ E93 (06-13) \u0026gt; M3\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"allcategories_subsection\"\u003e\n\u003cb\u003eZ Series\u003c\/b\u003e\u003cbr\u003eE85 \/ E86 Z4 (03-08) \u0026gt; Z4 M\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Genuine BMW","offers":[{"title":"Default Title","offer_id":43748289806449,"sku":"23008437087","price":2474.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/6742\/files\/33108321899-2-1200-WM.jpg?v=1785333765","url":"https:\/\/www.parkautomotorsports.ca\/products\/bmw-motorsport-ring-and-pinion-genuine-bmw-23008437087","provider":"Park Auto Motorsports","version":"1.0","type":"link"}