BMW F01 F02 F10 F11 Hose Heater Return Water Pipe Coolant Line Petrol 9119167

BMW F01 F02 F10 F11 Coolant Return Hose is an original cooling system component designed for gasoline engines. It ensures stable coolant return from the heater core, supporting the proper operation of the interior heating system and engine cooling.

Specifications and technical data

• SKU: 9119167
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9119167
• Substitutable numbers: 9119167, 64539119167
• Fuel type: Petrol
• Part type: Pipe
• Category: Coolant Hoses

Purpose and Function in the Cooling System

This heater core water return hose is part of the Cooling System Hoses and Pipes category, specifically designed for selected BMW F01, F02, F10, and F11 models with gasoline engines. It is responsible for the stable transport of coolant from the cabin heating circuit back to the engine cooling system, which directly impacts maintaining the proper operating temperature of the powertrain.

A correctly selected return hose helps to:

• maintain uniform engine temperature under various load conditions,
• ensure efficient interior heating without performance drops in the heater core,
• minimize the risk of overheating resulting from leaks or restricted coolant flow.

Original BMW Origin and Fitment

The hose comes from the BMW OE line, meaning factory fitment for the cooling system of specific premium BMW models. The original geometry and connector diameters translate to:

• secure fit with heater core connectors and other system components,
• compatibility with factory brackets and hose routing in the engine bay,
• stable coolant flow at typical operating pressures in BMW gasoline engines.

This allows the part to be used as a replacement for a damaged hose without the need for installation modifications or additional adapters.

Performance Characteristics and Installation

The coolant return hose for BMW F01, F02, F10, F11 is designed for stable operation under high temperature conditions and typical engine vibrations. The hose construction is adapted for use with coolants used in gasoline engines, promoting seal integrity and proper flexibility over a longer service life.

In practice, this means that with correct installation, you can achieve:

• safe coolant flow in the heater core circuit,
• reduced risk of leaks at critical connection points,
• stable cooling system operating conditions during daily vehicle use.

Part Condition and Service Application

The offered hose is a used part, making it an attractive option for servicing the cooling system in F-series BMW vehicles, especially where a reasonable repair cost is desired while maintaining original specifications. This type of part is suitable for both replacing a damaged hose and for comprehensive cooling system maintenance on vehicles with higher mileage.

Selecting a return hose with the correct shape and diameter is particularly important in gasoline engines, where stable heat dissipation is crucial for powertrain durability and interior thermal comfort.

More BMW Cooling System Hoses and Pipes

If you are looking for other BMW cooling system hoses and pipes for your car, check out our dedicated category: BMW Cooling System Hoses and Pipes. There you will find a wide selection of cooling system components tailored to various models of this brand.

Technical Support and Cooling System Knowledge

To better understand how a functional cooling system affects engine longevity and when it's worth replacing hoses and other components, consult our guide: Engine Cooling System – Overheating, Repair, and Used Radiators. This is a practical source of knowledge for diagnosing engine operating temperature issues.