Rein CTN0057 Automatic Transmission Oil Cooler Thermostat

Reliable Automatic Transmission Oil Cooler Thermostat for BMW Models

The Rein CTN0057 automatic transmission oil cooler thermostat is engineered to meet original equipment specifications, ensuring precise temperature regulation for your BMW vehicle. Designed specifically for select BMW models, this thermostat helps maintain optimal transmission performance and longevity.

Key Features of Rein CTN0057 Thermostat

• Matches original equipment design specifications for accurate fit and function
• Includes all necessary gaskets and seals for a complete installation
• Manufactured to strict engineering standards for durability and reliability
• Thermostat set to 88 degrees Celsius to maintain optimal transmission temperature
• Application-specific design compatible with various BMW models
• Compact black thermostat with dimensions 2.625 x 2.625 x 2.5 inches

Detailed Product Description

The Rein CTN0057 automatic transmission oil cooler thermostat is a direct replacement part designed to regulate the temperature of the transmission fluid in BMW vehicles such as the 320i, 323Ci, 325i, 328i, 330i, X3, X5, and Z4. By opening at 88 degrees Celsius, it ensures the transmission fluid remains within the optimal temperature range, preventing overheating and promoting efficient transmission operation. This thermostat is supplied with all necessary gaskets and seals, facilitating a straightforward installation process. Manufactured in China under strict quality controls, it meets the engineering standards required for reliable performance.

Common Applications and Issues Addressed

• Prevents transmission fluid overheating in BMW 320i, 325i, and 330i models
• Helps avoid transmission slipping caused by improper fluid temperature
• Reduces risk of premature transmission wear due to thermal stress
• Maintains consistent transmission fluid temperature for smooth shifting
• Supports cooling system efficiency in BMW X3, X5, and Z4 vehicles

Installation Notes and Tips

The Rein CTN0057 thermostat is designed for application-specific fitment and includes all necessary gaskets and seals; however, installation hardware is not included. While installation instructions are not provided, professional installation is recommended to ensure proper fit and function. Verify compatibility with your specific BMW model before installation to avoid fitment issues.

Quality Assurance and Warranty

This Rein automatic transmission oil cooler thermostat comes with a 24-month or 24,000-mile warranty, providing assurance of its quality and durability. Manufactured to meet original equipment standards, it offers reliable performance for your BMW transmission cooling system.