This engine coolant reservoir from Dorman – OE Solutions is a high-quality replacement part for your BMW. It is designed to fit perfectly and function just like the original part. The part number 603-659 is compatible with several other part numbers including 17111742231, 17117573751, 17117639022, and 17137514401, making it a versatile choice for various BMW models.

Constructed from high-quality materials, this engine coolant reservoir is built to last. It is specifically engineered to withstand extreme temperatures and pressure changes in your BMW’s cooling system. The advanced design ensures that the reservoir is leak-free and provides a secure fit.

This engine coolant reservoir is easy to install, making it a straightforward solution for DIYers and professionals alike. It comes with everything you need for a hassle-free installation, including a cap and sensor. Once installed, you can trust it to keep your engine running smoothly and efficiently.

Maintaining proper engine coolant levels is crucial for the health and longevity of your BMW’s engine. This Dorman – OE Solutions engine coolant reservoir is an essential component in your car’s cooling system. By replacing your old, worn-out reservoir with this high-quality replacement part, you can be confident that your engine is receiving the proper cooling it needs to perform at its best.

In summary, the Dorman – OE Solutions Engine Coolant Reservoir part number 603-659 is a durable and reliable replacement part for your BMW. It is easy to install and designed to fit perfectly, providing you with a cost-effective solution to keep your engine running smoothly.