HomeBelts and Cooling > Radiators, Coolers and Related ComponentsRein EPK0141 Engine Coolant Reservoir Kit - Radiator
Part #: EPK0141

Rein EPK0141 Engine Coolant Reservoir Kit - Radiator

Radiator
⚙️ 28 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 550i, 550i GT, 550i GT xDrive, 550i xDrive, 650i, 650i xDrive, 750i, 750i xDrive, 750Li, and 750Li xDrive
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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.

BrandRein
Part NumberEPK0141
Application TypeApplicationspecific
Bullet Point 1Includes sensor (if applicable) and cap
Bullet Point 2Produced from virgin plastic meeting/exceeding oe specifications
Bullet Point 3Resistant to cracking and wear from heat cycles preventing coolan
Bullet Point 4Direct fitment allows easy installation
Container TypeBx
Country of OriginCn
Item Height1.8900
Item Length3.1100
Item Level GTIN888544064036
Item Qty1
Item Quantity Size1
Item Quantity Size UOMEa
Item UOMEa
Item Weight3.9100
Item Weight Unit UOMLb
Item Width2.3200
Product Desc Extended 240Rein oe quality expansion tanks are designed to handle heat cycle
Product Desc Invoice 40Rein expansion tank kit
Product Desc Long 80Rein oe quality expansion tank kit
Product Desc Short 20Expansion tank kit

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013BMW550i4.4LV8Radiator
2013BMW550i xDrive4.4LV8Radiator
2012BMW550i4.4LV8Radiator
2012BMW550i GT4.4LV8Radiator
2012BMW550i GT xDrive4.4LV8Radiator
2012BMW550i xDrive4.4LV8Radiator
2012BMW650i4.4LV8Radiator
2012BMW650i xDrive4.4LV8Radiator
2012BMW750i4.4LV8Radiator
2012BMW750i xDrive4.4LV8Radiator
2012BMW750Li4.4LV8Radiator
2012BMW750Li xDrive4.4LV8Radiator
2011BMW550i4.4LV8Radiator
2011BMW550i GT4.4LV8Radiator
2011BMW550i GT xDrive4.4LV8Radiator
2011BMW550i xDrive4.4LV8Radiator
2011BMW750i4.4LV8Radiator
2011BMW750i xDrive4.4LV8Radiator
2011BMW750Li4.4LV8Radiator
2011BMW750Li xDrive4.4LV8Radiator
2010BMW550i GT4.4LV8Radiator
2010BMW550i GT xDrive4.4LV8Radiator
2010BMW750i4.4LV8Radiator
2010BMW750i xDrive4.4LV8Radiator
2010BMW750Li4.4LV8Radiator
2010BMW750Li xDrive4.4LV8Radiator
2009BMW750i4.4LV8Radiator
2009BMW750Li4.4LV8Radiator

* 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:

1713757557717137601948

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.