BMW Engine Water Pump with Metal Impeller – OEM Cooling System Replacement, Restores Cooling Performance for E34, E36, E46 & Z3 Models | Replaces Part No. 11517509985

Restore reliable cooling performance and upgrade one of the most important components in your BMW’s cooling system with this Engine Water Pump featuring a metal impeller. Designed for select BMW E34, E36, E46, and Z3 models, this OEM-style replacement helps maintain proper coolant circulation and stable engine operating temperatures while offering a stronger impeller design than many failure-prone factory-style alternatives.

The water pump is responsible for circulating coolant throughout the engine and radiator system, making it one of the most critical parts for preventing overheating and preserving engine reliability. Over time, factory water pumps can suffer from bearing wear, seal deterioration, coolant leaks, and impeller failure. When that happens, coolant flow can become weak or inconsistent, leading to overheating, poor cooling performance, and potentially severe engine damage if not addressed.

One of the key advantages of this upgraded version is the metal impeller design. Compared to weaker composite or plastic-style impellers that can crack, separate, or lose efficiency over time, the metal impeller offers a more durable and confidence-inspiring solution for long-term use. This makes it a smart upgrade for owners who want better reliability while refreshing the cooling system.

Built to OEM-style specifications, this replacement water pump is engineered for dependable coolant flow, precise fitment, and long service life. It is ideal whether you are performing a full cooling system overhaul, replacing a leaking or failing pump, or proactively servicing an aging BMW before bigger cooling issues develop.

Key Features:

Direct OEM Replacement: Designed to replace the factory engine water pump on compatible BMW applications.

Upgraded Metal Impeller Design: Stronger and more durable than weaker plastic-style impellers for improved long-term reliability.

Restores Proper Coolant Circulation: Helps maintain stable coolant flow throughout the engine and radiator system.

Helps Maintain Optimal Engine Temperatures: Supports proper cooling system function under daily driving and demanding conditions.

Supports Reliable Cooling System Operation: A critical replacement component for preserving cooling efficiency and long-term engine health.

High-Quality Bearing and Seal Construction: Built for dependable operation and reduced risk of premature failure.

OEM-Style Fitment and Function: Designed to match the original installation layout and factory cooling system operation.

Ideal for Repairs and Preventative Maintenance: A smart replacement when servicing aging BMW cooling system components.

FITMENT:

• BMW 3 Series – E36 Sedan, Coupe, Convertible
  Compatible with 320i, 323i, and 325i Sedan / Coupe / Convertible models.
• BMW 3 Series – E46 Sedan, Coupe, Touring, Convertible
  Compatible with 323Ci Coupe / Convertible, 323i Sedan / Touring, 325Ci Coupe / Convertible, 325i Sedan / Touring, 325xi Sedan / Touring, 330Ci Coupe / Convertible, and 330i Sedan / Touring models.
• BMW 5 Series – E34 Sedan, Touring
  Compatible with 525i Sedan and Touring models.
• BMW Z3 – Roadster, Coupe
  Compatible with Z3 2.3, Z3 2.5i, Z3 2.8, and Z3 3.0i models.

Engine compatibility:
M52 inline-6
M52TU inline-6
M54 inline-6

If you’re unsure whether this water pump fits your specific vehicle, please contact us with your VIN and we’ll be happy to verify compatibility before you order.

Replaces Part No. 11517509985
Additional Cross References: 11517527799, 11517527910

Please refer to the “Fitment” section in the product description for compatibility details.