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Rein EPK0141 Engine Coolant Reservoir Kit - Radiator
Overview of Rein Engine Coolant Reservoir Kit EPK0141
The Rein Engine Coolant Reservoir Kit EPK0141 is designed specifically for select BMW models, including the 550i, 650i, and 750Li series. This application-specific expansion tank kit ensures reliable coolant containment and system performance under demanding conditions.
- Includes sensor (if applicable) and cap for complete assembly
- Manufactured from virgin plastic that meets or exceeds original equipment specifications
- Resistant to cracking and wear caused by repeated heat cycles
- Direct fitment allows for straightforward installation without modifications
Product Details and Construction
The Rein EPK0141 expansion tank is produced using high-quality virgin plastic, engineered to withstand the thermal stresses typical in BMW 550i, 650i, and 750Li engines. Its robust construction prevents cracking and degradation from heat cycles, helping maintain coolant integrity and system pressure. The kit includes the necessary sensor and cap, ensuring compatibility and functionality with the vehicle’s cooling system. With precise dimensions and direct fitment, this reservoir kit replaces the original component seamlessly.
Compatible BMW Models and Applications
This engine coolant reservoir kit is compatible with the following BMW models: 550i, 550i GT, 550i GT xDrive, 550i xDrive, 650i, 650i xDrive, 750i, 750i xDrive, 750Li, and 750Li xDrive. It is designed for application-specific use, ensuring proper fit and performance in these vehicles.
Common Issues Addressed by the Rein Expansion Tank Kit
- Cracks or leaks in the original coolant reservoir causing coolant loss
- Sensor malfunctions affecting coolant level monitoring
- Wear and deformation from prolonged exposure to engine heat cycles
- Coolant contamination due to compromised reservoir integrity
- Difficulty in installation due to non-OE replacement parts
Installation Notes and Tips
The Rein EPK0141 reservoir kit is designed for direct replacement of the original expansion tank in compatible BMW models. No modifications are required, and the included sensor and cap simplify the installation process. It is recommended to inspect all related cooling system components during replacement to ensure optimal performance.
Quality Assurance and Warranty
Rein expansion tanks are manufactured to meet or exceed OE quality standards, using virgin plastic materials for durability and heat resistance. While specific warranty details are not provided, Rein products are engineered to maintain cooling system integrity and provide reliable service life consistent with OEM expectations.
| Brand | Rein |
| Part Number | EPK0141 |
| Application Type | Applicationspecific |
| Bullet Point 1 | Includes sensor (if applicable) and cap |
| Bullet Point 2 | Produced from virgin plastic meeting/exceeding oe specifications |
| Bullet Point 3 | Resistant to cracking and wear from heat cycles preventing coolan |
| Bullet Point 4 | Direct fitment allows easy installation |
| Container Type | Bx |
| Country of Origin | Cn |
| Item Height | 1.8900 |
| Item Length | 3.1100 |
| Item Level GTIN | 888544064036 |
| Item Qty | 1 |
| Item Quantity Size | 1 |
| Item Quantity Size UOM | Ea |
| Item UOM | Ea |
| Item Weight | 3.9100 |
| Item Weight Unit UOM | Lb |
| Item Width | 2.3200 |
| Product Desc Extended 240 | Rein oe quality expansion tanks are designed to handle heat cycle |
| Product Desc Invoice 40 | Rein expansion tank kit |
| Product Desc Long 80 | Rein oe quality expansion tank kit |
| Product Desc Short 20 | Expansion tank kit |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | BMW | 550i | 4.4L | V8 | Radiator | |
| 2013 | BMW | 550i xDrive | 4.4L | V8 | Radiator | |
| 2012 | BMW | 550i | 4.4L | V8 | Radiator | |
| 2012 | BMW | 550i GT | 4.4L | V8 | Radiator | |
| 2012 | BMW | 550i GT xDrive | 4.4L | V8 | Radiator | |
| 2012 | BMW | 550i xDrive | 4.4L | V8 | Radiator | |
| 2012 | BMW | 650i | 4.4L | V8 | Radiator | |
| 2012 | BMW | 650i xDrive | 4.4L | V8 | Radiator | |
| 2012 | BMW | 750i | 4.4L | V8 | Radiator | |
| 2012 | BMW | 750i xDrive | 4.4L | V8 | Radiator | |
| 2012 | BMW | 750Li | 4.4L | V8 | Radiator | |
| 2012 | BMW | 750Li xDrive | 4.4L | V8 | Radiator | |
| 2011 | BMW | 550i | 4.4L | V8 | Radiator | |
| 2011 | BMW | 550i GT | 4.4L | V8 | Radiator | |
| 2011 | BMW | 550i GT xDrive | 4.4L | V8 | Radiator | |
| 2011 | BMW | 550i xDrive | 4.4L | V8 | Radiator | |
| 2011 | BMW | 750i | 4.4L | V8 | Radiator | |
| 2011 | BMW | 750i xDrive | 4.4L | V8 | Radiator | |
| 2011 | BMW | 750Li | 4.4L | V8 | Radiator | |
| 2011 | BMW | 750Li xDrive | 4.4L | V8 | Radiator | |
| 2010 | BMW | 550i GT | 4.4L | V8 | Radiator | |
| 2010 | BMW | 550i GT xDrive | 4.4L | V8 | Radiator | |
| 2010 | BMW | 750i | 4.4L | V8 | Radiator | |
| 2010 | BMW | 750i xDrive | 4.4L | V8 | Radiator | |
| 2010 | BMW | 750Li | 4.4L | V8 | Radiator | |
| 2010 | BMW | 750Li xDrive | 4.4L | V8 | Radiator | |
| 2009 | BMW | 750i | 4.4L | V8 | Radiator | |
| 2009 | BMW | 750Li | 4.4L | V8 | Radiator |
* 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.