{"product_id":"shw-2021-bmw-m3-21-22-bmw-m4-front-left-drilled-lightweight-brake-rotor-34108093709","title":"SHW 2021 BMW M3 \/ 21-22 BMW M4 Front Left Drilled Lightweight Brake Rotor (34108093709)","description":"\u003cp class=\"p1\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e: BFL43851 \/ \u003cstrong\u003eUPC\u003c\/strong\u003e: 0048544886889\u003c\/p\u003e\n\u003ch4 class=\"p1\"\u003eSHW Performance Front Left Drilled Lightweight Brake Rotor for 2021 BMW M3 \/ 2021-2022 BMW M4 \u003c\/h4\u003e\n\u003cp class=\"p1\"\u003eThe SHW Performance Front Left Drilled Lightweight Brake Rotor (SKU: BFL43851, UPC: 0048544886889, OEM Part Number: 34108093709), engineered to deliver unmatched stopping power, heat dissipation, and durability for your 2021 BMW M3 and 2021-2022 BMW M4 (Base\/Competition). Designed by SHW Performance, a global leader in brake disc manufacturing and OEM supplier to BMW Motorsport, this rotor is the pinnacle of performance braking technology. Outperforming all competitors, this rotor is the definitive choice for enthusiasts and performance drivers seeking superior braking precision, reduced weight, and motorsport-derived reliability.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eWhy SHW?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe SHW BFL43851 stands head and shoulders above other brake rotors due to its advanced engineering and premium construction:\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePerformance\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eCross-drilled design enhances heat dissipation and reduces brake fade, ensuring consistent stopping power during aggressive driving, track days, or spirited road use.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eLightweight Advantage\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eCrafted with a lightweight, composite two-piece floating design (pin-drive system), this rotor reduces unsprung weight, improving acceleration, handling, and fuel efficiency compared to heavier OEM or aftermarket alternatives.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eMotorsport Heritage\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eDeveloped in collaboration with BMW Motorsport, this rotor brings race-proven technology to your M3 or M4, offering the same precision and reliability found in BMW’s M-series factory installations.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eDurability\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eManufactured entirely in-house at SHW’s state-of-the-art facilities, including aluminum and iron casting plants, this rotor ensures exceptional quality control, corrosion resistance, and long-lasting performance under extreme conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eFitment\u003c\/b\u003e:\u003c\/p\u003e\n\u003cp\u003eDesigned as a direct OEM replacement, the BFL43851 guarantees seamless installation with no modifications required, maintaining your vehicle’s original braking characteristics while enhancing performance.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eNo other brake rotor matches the SHW BFL43851’s blend of lightweight construction, thermal efficiency, and motorsport pedigree, making it the best choice for discerning BMW owners who demand the ultimate in braking performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eWhat’s Included in Your Purchase?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eWhen you purchase the SHW Performance Front Left Drilled Lightweight Brake Rotor (SKU: BFL43851), you receive:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eOne (1) Front Left Brake Rotor\u003c\/b\u003e: Specifically engineered for the driver’s side front axle.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePart Numbers\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSHW Performance Part Number: BFL43851\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eOEM Part Number: 34108093709\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eAdditional OEM Cross-References: 34-10-7-889-661, 34.10.7.889.661\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eUPC: 0048544886889\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003eSpecifications\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eRotor Type: Two-piece, cross-drilled, ventilated, lightweight composite (pin-drive system)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003ePosition: Front Left (Driver’s Side)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eDimensions: 18.9 inches (L) x 17.5 inches (W) x 3.5 inches (H)\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eWeight: Approximately 30.4 lbs\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eMaterial: High-quality cast iron with aluminum hub for reduced weight and enhanced durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003ePackaging\u003c\/b\u003e: Securely packaged to ensure safe delivery, with protective materials to prevent damage during shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eNote\u003c\/b\u003e: This purchase includes the front left rotor only. Brake pads, hardware, or additional rotors (front right or rear) are not included but can be purchased separately to complete your braking upgrade.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cb\u003eVehicle Fitment Data\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe SHW BFL43851 Brake Rotor is precision-engineered for the following vehicles:\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2021 BMW M3\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSubmodels: Base, Competition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003cb\u003e2021-2022 BMW M4\u003c\/b\u003e:\u003c\/li\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s1\"\u003e\u003c\/span\u003eSubmodels: Base, Competition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eThis rotor is compatible with both standard and performance braking systems for these models, ensuring a perfect fit for your G80 M3 or G82\/G83 M4. Always verify fitment with your vehicle’s VIN or consult a professional to confirm compatibility.\u003c\/p\u003e","brand":"SHW Performance","offers":[{"title":"Default Title","offer_id":43267836117071,"sku":"SHWBFL43851","price":482.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/SKU_BFL43851_UPC_0048544886889.png?v=1752169714","url":"https:\/\/www.blackopsautoworks.com\/products\/shw-2021-bmw-m3-21-22-bmw-m4-front-left-drilled-lightweight-brake-rotor-34108093709","provider":"Black Ops Auto Works","version":"1.0","type":"link"}