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OE Quality
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Rein CHT0684 Turbocharger Coolant Line - Return
OE-Style Turbo Coolant Hose for BMW
The Rein CHT0684 turbocharger coolant line is a direct-fit replacement built for BMW turbo systems that demand reliable coolant flow under heat and pressure. It is made with OE-quality EPDM and aluminum materials to help resist heat, oil, and ozone-related deterioration.
Compatible With select BMW 550i, 650i, 750i, X5, and X6 applications, this coolant hose is a practical replacement for a leaking or damaged return line. Rein CHT0684 is engineered to match OE fit, form, and function for service work on turbocharged BMW engines.
Key Features
- OE-quality construction for turbocharger coolant service
- Direct-fit replacement for trouble-free installation
- EPDM and aluminum hose materials for heat resistance
- Built to resist oil, ozone, and thermal breakdown
- Supplied as a single hose assembly
- Rein CHT0684 replacement for BMW turbo coolant line service
Detailed Description
Rein CHT0684 is a turbocharger coolant hose designed for the return side on select BMW vehicles, including 2013-2019 BMW 650i Gran Coupe, 2013-2019 BMW 650i xDrive Gran Coupe, 2015-2019 BMW X6, 2013-2018 BMW 650i, 2013-2018 BMW 650i xDrive, 2014-2018 BMW X5, 2013-2017 BMW 550i GT xDrive, 2014-2016 BMW 550i, 2014-2016 BMW 550i xDrive, 2013-2015 BMW 550i GT, 2013-2015 BMW 750i, 2013-2015 BMW 750i xDrive, 2013-2015 BMW 750Li, and 2013-2015 BMW 750Li xDrive. It is also a cross-reference for BMW OE part number 11537615492 for the same application.
This part number, CHT0684, is intended for vehicles with the specified cylinder-bank return routing and is built to restore proper coolant transfer in the turbocharger circuit. The design follows OE dimensions so the hose seats correctly during replacement service.
Common Problems It Can Help Solve
- Coolant leaks from a cracked or deteriorated turbo hose
- Loss of coolant at the turbocharger return line
- Heat-related hose swelling, hardening, or splitting
- Oil and ozone damage that weakens rubber components
- Service issues caused by an incorrect or poorly fitting replacement hose
Installation Notes and Tips
Confirm the vehicle’s engine configuration and return-line routing before installation. Inspect adjoining seals, clamps, and mating surfaces for wear, and replace any damaged components during service to help prevent repeat leaks. Because this is a direct-fit replacement, installation is straightforward when the application matches the listed BMW fitment.
Quality Assurance
Rein manufactures this coolant hose with premium OE-quality materials to meet the demands of turbocharged cooling systems. CHT0684 includes a 24-month/24,000-mile warranty.
| Brand | Rein |
| Part Number | CHT0684 |
| Application Type | Applicationspecific |
| Bullet Point 1 | Rein turbo hoses are manufactured with premium oe quality materia |
| Bullet Point 2 | Rein turbo hoses are designed as direct-fit replacements to ensur |
| Bullet Point 3 | Rein turbo hoses come complete with hardware and seals when neces |
| Bullet Point 4 | Replace leaking or otherwise faulty hoses with rein premium compo |
| Container Type | Bg |
| Country of Origin | Cn |
| Heat Shield Inc | No |
| Hose Material | Epdmaluminum |
| Hose Type | Single |
| Item Height | 2.7500 |
| Item Length | 10.0000 |
| Item Level GTIN | 888544103230 |
| Item Qty | 1 |
| Item Quantity Size | 1 |
| Item Quantity Size UOM | Ea |
| Item UOM | Ea |
| Item Weight | 0.3450 |
| Item Weight Unit UOM | Lb |
| Item Width | 3.2500 |
| Product Desc Extended 240 | Rein oe quality coolant hose turbo. identical to oe in fit, form |
| Product Desc Invoice 40 | Rein coolant hose turbo |
| Product Desc Long 80 | Rein oe quality coolant hose turbo |
| Product Desc Short 20 | Coolant hose turbo |
| Protective Shield Inc | No |
| Warranty Distance | 24000 |
| Warranty Time | 24 |
This part fits 62 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2019 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2019 | BMW | X6 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2018 | BMW | 650i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2018 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2018 | BMW | 650i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2018 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2018 | BMW | X5 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2018 | BMW | X6 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | 550i GT xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | 650i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | 650i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | X5 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2017 | BMW | X6 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 550i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 550i GT xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 550i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 650i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 650i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | X5 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2016 | BMW | X6 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 550i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 550i GT | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 550i GT xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 550i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 650i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 650i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 750i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 750i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 750Li | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | 750Li xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | X5 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2015 | BMW | X6 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 550i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 550i GT | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 550i GT xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 550i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 650i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 650i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 750i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 750i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 750Li | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | 750Li xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2014 | BMW | X5 | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 550i GT | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 550i GT xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 650i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 650i Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 650i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 750i | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 750i xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 750Li | 4.4L | V8 | Return | For Cyl. 5-8 |
| 2013 | BMW | 750Li xDrive | 4.4L | V8 | Return | For Cyl. 5-8 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.