<p>This is a used genuine OEM BMW lower turbo mount heat shield, part number 8600299. It is a heat shield that mounts to the turbocharger's lower position, protecting surrounding components from the thermal output of the 4.4L N63 V8 engine. A failing or missing heat shield can allow excessive heat to damage nearby wiring or hoses.</p><p><strong>Fits:</strong> BMW 750i (2016-2019), BMW 750i xDrive (2016-2022), BMW Alpina B7 (2017-2022), BMW Alpina B8 Gran Coupe (2022-2025), BMW Alpina XB7 (2021-2022), BMW M550i xDrive (2018-2023), BMW M850i xDrive (2019-2026), BMW M850i xDrive Gran Coupe (2020-2026), BMW X5 (2019-2023), BMW X6 (2020-2023), BMW X7 (2019-2023)</p><p><strong>OEM part number:</strong> 8600299. <strong>Also replaces / interchanges with:</strong> 11658600299.</p><p><strong>Condition:</strong> Used OEM, pulled in-house from a donor vehicle scanned with factory diagnostic tools; tested where possible, with per-part condition notes. 30-day returns.</p>