Water Hose BMW E87 E90 E91 M47N2 Diesel Cooling Radiator Pipe 7787380

BMW E87 E90 E92 M47N2 Diesel Water Hose Pipe 7787380 is an original cooling system component from the Hoses and Pipes category, designed for BMW diesel engines. The product ensures stable coolant flow, supporting safe engine operation and reducing the risk of overheating.

Specifications and technical data

• SKU: 7794611
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7794611
• Substitutable numbers: 11537802632, 7802632, 11537794611, 7794611, 11537787380, 7787380, 7802631
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Function in the Cooling System

The presented water hose is a component of the cooling system in BMW cars with the M47N2 diesel engine, used in series E87, E90, and E92, among others. It is responsible for the controlled flow of coolant between components, which translates to maintaining a stable engine operating temperature and the correct functioning of the entire system.

Thanks to its factory-fitted design for a specific engine unit, the hose maintains the correct geometry, facilitating installation and minimizing stress on spigots and connectors. This solution is particularly beneficial when servicing the cooling system in vehicles operated in diverse road conditions.

Original Origin and Replacement Numbers

The component comes from the BMW line and complies with the manufacturer's original specification. The part has a dedicated OEM number and assigned replacement numbers, which facilitates precise identification when selecting for a specific vehicle configuration. This allows for effective verification of compatibility with your model, avoiding accidental purchase of an ill-fitting hose.

If you want to deepen your knowledge on verifying compatibility by numbers, a guide describing practical methods for checking BMW and Mercedes parts will be helpful – you can find it here: proven ways to verify parts by OEM numbers.

Condition, Fuel Type, and Service Application

The part is offered as used, allowing for economical repair of the cooling system while maintaining original specifications. This is a good solution in situations where the existing hose has suffered mechanical damage, delamination, or leakage, and it is necessary to quickly restore the vehicle's functionality.

The hose has been designed to work with Diesel engines, which is important due to the thermal characteristics of diesel engines. Proper selection of the component for the fuel type helps maintain stable operating conditions, especially under highway loads and in city traffic.

Benefits of Using an Original BMW Hose

Using a water hose that complies with the original BMW specification offers a range of practical service benefits:

• secure fit to spigots and mountings in the engine bay,
• appropriately selected diameter and shape for coolant flow,
• maintenance of the manufacturer's designed hose routing,
• reduction of leakage risk resulting from improper fit of aftermarket alternatives.

For workshops and individual users, this means more efficient installation and a lower risk of needing to re-intervene in the cooling system after a short period of operation.

Other BMW Hoses and Pipes

If you are also looking for other BMW Hoses and Pipes for your car, check out the BMW Hoses and Pipes available in our assortment to select a complete solution for the cooling system or other vehicle installations.