{"product_id":"rear-big-brake-kit-w-aerorotors","title":"Rear Big Brake Kit w\/ AeroRotors","description":"The StopTech 83.B33.004G rear big brake kit is engineered to significantly enhance your vehicle's braking performance. These Balanced Brake Upgrades maintain factory bias while delivering shorter stopping distances, improved modulation, and reduced brake fade, making them ideal for performance driving. The kit includes fully forged ST40 calipers with patented stiffening bridges for increased rigidity, and 345 x 28 mm 2-piece slotted AeroRotors designed for optimal cooling. Also included are StopTech Street Performance Brake Pads and braided stainless steel brake lines, along with all necessary mounting brackets and hardware for a complete installation.\n\nThis kit is compatible with a specific range of BMW models, including the 2012-2015 BMW 335i Base, 2013 BMW 335i xDrive Base, 2014-2015 BMW ActiveHybrid 5\/3\/7 Base, and various 2014-2020 BMW 4 Series models (435i, 435i xDrive, 435i Gran Coupe, 435i xDrive Gran Coupe, 440i, 440i xDrive, 440i Gran Coupe, 440i xDrive Gran Coupe). Please note that the AeroRotors may not fit stock wheels, and confirming wheel diameter, width, offset, and hub bore is recommended before purchase.","brand":"StopTech","offers":[{"title":"Default Title","offer_id":52663861510456,"sku":"83.B33.004G","price":3199.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687716305.jpg?v=1784330245","url":"https:\/\/store.motormia.co\/products\/rear-big-brake-kit-w-aerorotors","provider":"MOTORMIA","version":"1.0","type":"link"}