OE-Style Turbo Coolant Hose for BMW V8 Applications

Rein CHT0697 is an OE-quality turbocharger coolant line built for BMW turbocharged cooling circuits that demand stable sealing and heat resistance. It is a direct-fit replacement for select BMW 750i xDrive, M550i xDrive, X5, X6, X7, M850i xDrive, Alpina B8 Gran Coupe, and Alpina XB7 applications.

Designed for the coolant side of the turbo system, this Rein turbo hose uses premium EPDM and aluminum construction to help resist heat, oil exposure, and ozone-related deterioration. The result is a replacement hose that matches OE fit, form, and function for service work on BMW turbocharger coolant routing.

Key Features

• OE-quality turbocharger coolant line for BMW turbo systems
• Direct-fit replacement for straightforward installation
• EPDM and aluminum hose construction
• Built to resist heat, oil, and ozone exposure
• Supplied as a single hose assembly
• Rein part number CHT0697 for accurate ordering and service lookup

Detailed Description

Rein CHT0697 is engineered as an OE-style coolant hose for turbocharger applications where reliable coolant flow and secure connections are critical. It is made to match the original part’s fit, form, and function, helping restore proper cooling-system routing on BMW models such as the 750i xDrive, M550i xDrive, X5, X6, X7, M850i xDrive, Alpina B8 Gran Coupe, and Alpina XB7. This part number CHT0697 is a practical replacement when the original turbo coolant line shows age-related wear, seepage, or cracking.

This part cross-references BMW OE numbers 11538841579 and 11539896890 for the same application.

What It Helps Address

• Coolant seepage at the turbocharger line
• Cracked or hardened hose material from heat cycling
• Degraded sealing performance in the turbo cooling circuit
• Loss of proper coolant routing around the turbocharger
• Service issues caused by a worn OE-style coolant hose

Installation Notes and Tips

Verify the vehicle’s engine and coolant-line routing before installation, especially on BMW applications with cylinder-specific notes. This hose is listed for For Cyl. 1-4 and, on some earlier applications, Supply (Turbo To Pipe); For Cyl. 1-4. Confirm the existing hose shape, connection points, and OE reference numbers before replacing the original line. The direct-fit design supports trouble-free installation when matched to the correct application.

• Fits 2022-2026 BMW M850i xDrive, N/A, For Cyl. 1-4
• Fits 2022-2026 BMW M850i xDrive Gran Coupe, N/A, For Cyl. 1-4
• Fits 2022-2025 BMW Alpina B8 Gran Coupe, N/A, For Cyl. 1-4
• Fits 2022-2023 BMW M550i xDrive, N/A, For Cyl. 1-4
• Fits 2022-2023 BMW X5, N/A, For Cyl. 1-4
• Fits 2022-2023 BMW X6, N/A, For Cyl. 1-4
• Fits 2022 BMW 750i xDrive, N/A, For Cyl. 1-4
• Fits 2022 BMW 750Li xDrive, N/A, For Cyl. 1-4
• Fits 2021-2022 BMW Alpina XB7, N/A, For Cyl. 1-4
• Fits 2022 BMW X7, N/A, For Cyl. 1-4
• Fits 2016-2021 BMW 750i xDrive, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2017-2021 BMW 750Li xDrive, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2018-2021 BMW M550i xDrive, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2019-2021 BMW M850i xDrive, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2020-2021 BMW M850i xDrive Gran Coupe, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2019-2021 BMW X5, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2020-2021 BMW X6, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2019-2021 BMW X7, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2016-2019 BMW 750i, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2017-2019 BMW 750Li, N/A, Supply (Turbo To Pipe); For Cyl. 1-4
• Fits 2016 BMW 750Li, N/A, For Cyl. 1-4

Quality Assurance

Rein manufactures this turbo coolant line with premium OE-quality materials to help withstand the demands of turbocharged cooling systems. Warranty coverage is 24 months or 24,000 miles.