The Mini One D R50 Diesel W17 Mass Air Flow Meter Pipe is an intake system component from the Air and Fuel Intake Sensors category, designed for diesel engines. It ensures a stable airflow through the mass air flow sensor, promoting precise measurement of the ingested air mass and proper engine operation. This used genuine BMW part offers a factory-specification construction, facilitating installation and minimizing fitting issues.
Specifications and technical data
- SKU: 7790657
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7790657
- Substitutable numbers: 13627791347, 7791347, 7790657, 13627790657
- Fuel type: Diesel
- Category: Air Intake & Fuel Sensors
Purpose and Role in the Intake System
The mass air flow meter pipe in the Mini One D R50 Diesel W17 is a section of the intake duct where the sensor measuring the amount of air drawn in by the engine is housed. A correctly selected component:
- ensures stable airflow through the sensor,
- reduces turbulence and measurement interference,
- supports smooth operation of the diesel engine across its full load range.
By maintaining the original pipe geometry, the engine control unit receives reliable data, which translates to accurate fuel delivery and correct injector system operation.
Compatibility and Interchangeable Numbers
This part belongs to the group of BMW air and fuel intake sensors, for which the manufacturer has designated various part numbers and interchangeable numbers. This means the pipe may be available under several designations but is structurally equivalent for the same application in the Mini One D R50 Diesel W17. When selecting, it is advisable to use the OEM part number or reference numbers to confirm full compatibility with your specific vehicle configuration.
Benefits of Using an Original Mass Air Flow Meter Pipe
Using an original mass air flow meter pipe in the Mini One D R50 W17 diesel engine offers several practical benefits:
- Factory Fitment – the correct diameter, shape, and mounting points are maintained, simplifying installation into the existing intake system.
- Stable Mass Air Flow Sensor Operation – the appropriately shaped air channel promotes repeatable air mass measurements.
- Support for Correct Mixture Composition – precise air measurement helps maintain the correct air/fuel ratio in the diesel engine.
- Reduced Diagnostic Errors – proper airflow minimizes the risk of errors related to mass air flow sensor operation.
Condition, Installation, and Application in Diesel Engines
The offered mass air flow meter pipe comes from a vehicle powered by Diesel fuel, which is important when selecting for a specific version of the Mini One D R50 W17. A used genuine BMW part is a sensible choice for users who want to maintain the factory engine characteristics while optimizing intake system repair costs.
During installation, pay attention to:
- correct seating of the mass air flow sensor in the pipe's housing,
- airtight connections with other sections of the intake ducts,
- absence of stress on connectors and clamps after installation.
Selecting Used Intake System Components and Electronics
For components such as mass air flow meter pipes, air intake sensors, or control modules, correct matching by OEM numbers and interchangeable numbers is crucial. A detailed discussion on selecting used electronics and sensors, including the importance of hardware and software compatibility, can be found in the guide: used automotive electronics and sensors – how to safely select modules and measurement components.
If you are looking for other components from the BMW air and fuel intake sensors category, check out the BMW air and fuel intake sensors available in our store to select components matched to your model.
