BMW Upgraded Aluminum Cooling Radiator Coolant Hose Connector Water Outlet Pipe – Reinforced Cooling System Replacement for E46, E60, E61, E81, E83, E85 & E93 Models | Replaces Part No. 11537560130, 11537505055

Upgrade one of the most failure-prone plastic cooling system connection points on your BMW with this Upgraded Aluminum Cooling Radiator Coolant Hose Connector Water Outlet Pipe. Designed as a reinforced replacement for the original factory outlet, this upgraded aluminum version provides a much stronger and more durable solution for vehicles where the stock plastic connector can become brittle, crack, or fail over time.

On aging BMW cooling systems, plastic coolant outlet pipes and hose connectors are well known for weakening after years of heat cycles, coolant pressure, and constant engine bay exposure. Once the original plastic begins to degrade, it can crack without much warning and lead to coolant leaks, pressure loss, overheating concerns, and potentially expensive engine damage. Replacing that weak point with an upgraded aluminum version is a smart preventative maintenance upgrade for long-term reliability.

This reinforced aluminum connector is built to better withstand heat, pressure, and cracking than the factory plastic-style design. It helps restore a secure cooling system connection while giving you added confidence in one of the most important areas of the engine bay. Whether you are repairing a leak, refreshing the cooling system, or upgrading before the original outlet fails, this is a worthwhile improvement over stock.

Designed for OEM-style fitment, this water outlet pipe is made to integrate cleanly with the factory cooling system on compatible BMW models. It is ideal for owners looking to strengthen a known weak point while maintaining proper coolant flow and dependable sealing.

Key Features:

• Upgraded Aluminum Construction: Stronger and more durable than the original plastic-style outlet for improved long-term reliability.
• Reinforced Cooling System Replacement: Helps eliminate one of the common weak points in aging BMW cooling systems.
• Built to Better Resist Cracking: Designed to better withstand repeated heat cycles, coolant pressure, and long-term engine bay exposure.
• Restores Proper Coolant Flow: Helps maintain stable coolant circulation and reliable cooling system operation.
• Helps Prevent Leaks and Overheating: Replacing a weakened outlet connector can help reduce the risk of coolant loss and temperature-related engine issues.
• OEM-Style Fitment: Built to match the factory installation layout on compatible BMW applications.
• Ideal for Repairs and Preventative Maintenance: A smart upgrade when servicing the cooling system or replacing brittle factory plastic components.

FITMENT:

• BMW 1 Series – E81 3 Door Hatchback (02/2006–12/2011)
• BMW 1 Series – E87 5 Door Hatchback (03/2003–02/2007)
• BMW 1 Series – E87 LCI 5 Door Hatchback (02/2006–06/2011)
• BMW 1 Series – E82 Coupe (06/2009–10/2013)
• BMW 1 Series – E88 Convertible (11/2006–10/2013)
• BMW 3 Series – E46 Sedan, Coupe, Touring, Convertible (03/2000–08/2006)
• BMW 3 Series – E90 Sedan (02/2004–09/2008)
• BMW 3 Series – E90 LCI Sedan (07/2007–12/2011)
• BMW 3 Series – E91 Touring (03/2004–08/2008)
• BMW 3 Series – E91 LCI Touring (07/2007–05/2012)
• BMW 3 Series – E92 Coupe (09/2006–02/2010)
• BMW 3 Series – E92 LCI Coupe (11/2008–06/2013)
• BMW 3 Series – E93 Convertible (09/2005–02/2010)
• BMW 3 Series – E93 LCI Convertible (09/2009–10/2013)
• BMW 5 Series – E60 LCI Sedan (04/2006–12/2009)
• BMW 5 Series – E61 LCI Touring (04/2006–05/2010)=
• BMW X1 – E84 SUV (09/2008–06/2015)
• BMW X3 – E83 SUV (05/2003–07/2006)
• BMW X3 – E83 LCI SUV (03/2006–08/2010)
• BMW Z4 – E85 Roadster (06/2004–08/2008)

Compatible with BMW applications using this coolant hose connector / water outlet pipe configuration. If you’re unsure whether this fits your specific vehicle, please contact us with your VIN and we’ll be happy to verify compatibility before you order.

REPLACES PART NO.: 11537560130, 11537505055

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