<div data-store-description="v1"> <p>Coolant Expansion Tank for 525i 528i 530i BMW E39 (1999–2003) 17111436381. Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Coolant Expansion Tank</p> <p>Fits Models: - BMW 525i, 528i, 530i</p> <p>Model Years: - 1999–2003</p> <p>Submodels: - E39 chassis, Sedan body style</p> <p>Engine Options: - Common engine sizes include 2.5L (M54B25), 3.0L (M54B30)</p> <p>Description: This coolant expansion tank is designed specifically for BMW E39 models, including the 525i, 528i, and 530i from 1999 to 2003. It serves as a crucial component in the vehicle's cooling system, maintaining the proper coolant level and pressure to prevent overheating.</p> <p>Features: - Direct fit for E39 chassis models - Durable construction for long-lasting performance - Helps maintain optimal engine temperature - Easy installation with no modifications required - OEM part number: 17111436381</p>