Rein EPK0131 Engine Coolant Reservoir Kit

Overview of Rein Engine Coolant Reservoir Kit EPK0131

The Rein Engine Coolant Reservoir Kit EPK0131 is designed specifically for BMW models including the 135i, 135is, 335i, 335i xDrive, and X1. This application-specific expansion tank kit ensures proper coolant management and system reliability under demanding conditions.

• Includes sensor (if applicable) and cap for complete installation
• 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 replacement without modifications

Product Details and Features

This Rein expansion tank kit is engineered to handle the thermal stresses typical in BMW engines, maintaining coolant containment and pressure integrity. The use of high-quality virgin plastic enhances durability and longevity, reducing the risk of leaks or failures due to material fatigue. The kit includes all necessary components such as the sensor and cap, ensuring compatibility and ease of installation. Its direct fitment design means it can be installed without additional adjustments, saving time and effort during maintenance.

Compatible BMW Models and Applications

This engine coolant reservoir kit is compatible with the following BMW vehicles:

• BMW 135i and 135is
• BMW 335i and 335i xDrive
• BMW X1

Using the Rein part number EPK0131 guarantees a precise fit and reliable performance for these specific models.

Common Issues Addressed by This Expansion Tank Kit

• Cracking or leaking coolant reservoirs due to heat exposure
• Coolant loss caused by worn or damaged expansion tanks
• Faulty or missing coolant level sensors affecting engine monitoring
• Difficulty in installation with non-direct fit parts
• Premature wear from substandard plastic materials

Installation Notes and Tips

Installation of the Rein EPK0131 expansion tank kit is straightforward due to its direct fit design. It is recommended to verify sensor compatibility if applicable and ensure the coolant system is depressurized before removal. Proper disposal of the old reservoir and coolant is advised. Follow manufacturer torque specifications for securing the cap and sensor to avoid leaks.

Quality Assurance and Warranty

Rein provides a 24-month or 24,000-mile warranty on this engine coolant reservoir kit, reflecting confidence in its durability and performance. Manufactured in China from virgin plastic materials, the kit meets or exceeds OE standards, ensuring reliable operation within the specified BMW models.