{"product_id":"zimmermann-150-2940-70-disc-brake-rotor-front-left","title":"Zimmermann 150.2940.70 Disc Brake Rotor - Front Left","description":"\u003ch2\u003eZimmermann Formula Z Front Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Zimmermann Formula Z disc brake rotor is built for high-load braking on performance applications, with a two-piece construction, floating mounting, and a coated surface for improved corrosion resistance. This Zimmermann 150.2940.70 rotor is a direct-fit front left option for select BMW M2, BMW M3, and BMW M4 models with 380x30 mm ventilated brake setups.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: 150.2940.70\u003c\/li\u003e\n\u003cli\u003eTwo-piece brake disc with Alu hub floating quality\u003c\/li\u003e\n\u003cli\u003eHigh-carbon machining for thermal stability\u003c\/li\u003e\n\u003cli\u003eCoated surface with anti-corrosion finish\u003c\/li\u003e\n\u003cli\u003e380 mm outer diameter, 30 mm thickness\u003c\/li\u003e\n\u003cli\u003eMinimum thickness: 28.4 mm\u003c\/li\u003e\n\u003cli\u003eHub bore: 79 mm\u003c\/li\u003e\n\u003cli\u003eBolt hole circle: 120 mm\u003c\/li\u003e\n\u003cli\u003eHeight: 62.4 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 11.20 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eZimmermann 150.2940.70 is engineered for vehicles that see elevated mechanical and thermal stress, including tuned BMW M applications and chassis setups with increased braking demand. The floating two-piece design allows radial expansion under heavy load, helping reduce heat-related cracking and maintaining consistent braking performance. The coated finish also supports a cleaner appearance and added resistance to corrosion. This part cross-references OE-style numbers such as 3411 2 284 809 and 18694 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade during repeated high-speed stops\u003c\/li\u003e\n\u003cli\u003eHeat buildup in aggressive street or track use\u003c\/li\u003e\n\u003cli\u003eRotor cracking from thermal expansion stress\u003c\/li\u003e\n\u003cli\u003eCorrosion on exposed brake rotor surfaces\u003c\/li\u003e\n\u003cli\u003eFitment issues on 380x30 mm front brake setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eCompatible With select BMW front-left applications only. Fits 2020 BMW M2, front left; 2020 BMW M4, front left; 2019-2020 BMW M4, front left; 2019 BMW M2, front left; 2016-2018 BMW M2, front left; 2018 BMW M2, front left; 2015-2018 BMW M3, front left; 2018 BMW M3, front left; 2015-2018 BMW M4, front left; 2018 BMW M4, front left; 2016-2017 BMW M2, front left; 2016-2017 BMW M3, front left; 2016-2017 BMW M4, front left; 2015 BMW M3, front left; 2015 BMW M4, front left. Verify 380x30 mm ventilated brake configuration and note exclusions for vehicles with M Carbon ceramic brakes [S2NKA] or M-performance brakes where listed.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eZimmermann supplies this rotor with general ABE certification or ECE documentation, and the coated finish is designed to support long-term surface protection. The Formula Z construction is focused on stable braking performance under demanding use, making the Zimmermann 150.2940.70 a technical replacement choice for BMW M2, BMW M3, and BMW M4 front brake service.\u003c\/p\u003e","brand":"Zimmermann","offers":[{"title":"Default Title","offer_id":52409481789621,"sku":"BKND-150.2940.70","price":387.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZI_150294070_Dia.jpg?v=1777777337","url":"https:\/\/www.partcatalog.com\/products\/zimmermann-150-2940-70-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}