General description The Engine Coolant Thermostat Housing Assembly is designed for various BMW models, including E46, E39, X5, X3, Z3, Z4, 330i, 525i, and 530i. This product effectively controls the engine temperature, ensuring high reliability and performance for long-lasting use. It is easy to install and provides a perfect match for your vehicle. Technical specifications Replacement Manufacturer Part Number: 11531437040 Fitment: E46, E39, X5, X3, Z3, Z4, 330i, 525i, 530i, 325i Color: Black Material: Plastic + Metal Measurement allowed error: +/- 1-3 cm Installation Easy installation process, designed to fit perfectly with compatible BMW models. Usage Controls the engine temperature effectively, contributing to optimal engine performance. Other information Package Contents: 1 x Engine Coolant Thermostat Housing. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.