Rein EPT0235 Coolant Expansion Tank

The Rein EPT0235 is a high-quality aftermarket coolant expansion tank designed as a direct replacement for BMW vehicles. This critical cooling system component provides a reservoir for coolant to expand and contract as the engine reaches operating temperature, preventing pressure buildup and maintaining optimal cooling system performance.

Key Features:

• Manufactured from virgin plastic with no regrind material to prevent cracking from heat cycles
• Designed to match or exceed OE specifications for durability and long service life
• Resistant to cracking and thermal stress caused by repeated temperature cycling
• Direct fitment design ensures easy installation with proper OE-style mounting points
• Includes integrated coolant level sensor mounting provisions
• Engineered to withstand high pressures and elevated engine temperatures

Rein Automotive expansion tanks are built to OE quality standards, providing reliable performance at a value price point. The tank's construction from virgin plastic ensures the material remains durable through countless heat cycles, while the precision engineering guarantees proper fit and function. This expansion tank serves as an excellent alternative to expensive dealer parts while maintaining the quality and reliability expected in BMW cooling system components.

OEM Cross-Reference: BMW 17138677649, 17 13 8 677 649