Rein EPT0013 Engine Coolant Reservoir

Reliable Engine Coolant Reservoir for BMW Models

The Rein EPT0013 engine coolant reservoir is designed specifically for select BMW vehicles, including the 540i, 740i, 740iL, 750iL, 840Ci, 850Ci, 850CSi, 850i, and Z8 models. Manufactured from virgin plastic that meets or exceeds original equipment specifications, this expansion tank offers durability and precise fitment for efficient cooling system performance.

Key Features of Rein EPT0013 Expansion Tank

• Produced from virgin plastic meeting or exceeding OE specifications
• Resistant to cracking and wear caused by repeated heat cycles
• Direct fitment ensures straightforward installation without modifications
• Manufactured under strict engineering standards for consistent quality
• Designed specifically for BMW 5, 7, 8 Series, and Z8 models

Detailed Product Description

The Rein EPT0013 engine coolant reservoir is engineered to withstand the thermal stresses typical in BMW cooling systems. Its construction from high-grade virgin plastic prevents cracking and degradation over time, maintaining coolant containment and system pressure. The direct fit design allows for easy replacement in compatible BMW models, reducing installation time and ensuring proper integration with existing cooling components. Dimensions of approximately 11.41 inches in length, 6.29 inches in height, and 5.31 inches in width provide a precise match to original equipment tanks.

Common Cooling System Issues Addressed

• Prevents coolant leaks caused by cracked or worn reservoirs
• Maintains proper coolant pressure to avoid overheating
• Eliminates coolant contamination from degraded plastic materials
• Ensures reliable coolant expansion and contraction during heat cycles
• Supports optimal engine temperature regulation in BMW 540i, 740i, 750iL, and 8 Series vehicles

Installation Notes and Tips

• Compatible with BMW 540i, 740i, 740iL, 750iL, 840Ci, 850Ci, 850CSi, 850i, and Z8 models
• Direct replacement part number Rein EPT0013 for straightforward swap
• Inspect hoses and clamps during installation for wear or damage
• Ensure coolant system is depressurized before removal
• Refill and bleed cooling system according to manufacturer specifications after installation

Quality Assurance and Warranty

Rein expansion tanks are manufactured to meet strict engineering standards, ensuring consistent quality and durability. Produced from virgin plastic materials, the EPT0013 reservoir is designed to resist cracking and wear from heat cycles. While specific warranty details may vary, Rein products typically come with coverage against manufacturing defects to provide confidence in long-term performance.