BMW 1 3 5 Series 1 E60 E87 E90 Diesel M47 M57 Intake Hot Air Flow Meter 7788744

BMW 1 3 5 Series 1 E60 E87 E90 Diesel M47 M57 Intake Hot Air Flow Meter is an original intake system component designed for precise control of the intake air volume. Thanks to the factory BMW design and integrated air flow measurement, it ensures stable engine operation and proper communication with the engine electronics.

Specifications and technical data

• SKU: 7788744-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7788744
• Substitutable numbers: 13627788744, 7788744, 0928400504, EM
• Fuel type: Diesel
• Category: Intake Manifolds

This used intake manifold with flow meter is the right choice for professional repairs or replacement of intake components in diesel engines, where compliance with factory specifications, predictable performance parameters, and trouble-free installation are essential.

The component has been designed specifically for BMW M47 and M57 diesel units, which allows for maintaining proper air flow values, correct fuel dosing, and stable engine performance across the entire load range.

Purpose and function in the intake system

The intake manifold integrated with hot air measurement is responsible for the even distribution of air to the cylinders and real-time measurement of its volume. In BMW 1, 3, and 5 series diesel engines with the M47/M57 family, this is crucial for:

• maintaining the correct air-fuel mixture ratio,
• stable operation at idle and under load,
• proper functioning of the fuel injection system and engine control unit,
• reducing smoke and power drops resulting from incorrect flow measurement.

Thanks to the factory fitment for diesel units, the intake system maintains the correct channel geometry, which promotes efficient cylinder filling and repeatable performance parameters.

Benefits of using an original BMW intake manifold

Using an original component from the Intake manifolds group instead of a worn or damaged part helps avoid problems typical of aftermarket replacements with uncertain specifications. The most important advantages include:

• factory fitment to the BMW cylinder head and engine accessories,
• proper cooperation with sensors and the engine control unit,
• preservation of the engine's serial performance parameters,
• reduction of the risk of engine control unit errors related to air flow.

For users expecting predictable vehicle behavior and easy diagnostics, the original BMW intake manifold is a safe and technically sound solution.

Condition, installation, and fitment

The offered component comes from the used BMW parts group, which means it is intended for re-installation in a vehicle following standard service procedures. Before installation, it is recommended to:

• check the intake system for leaks after installation,
• verify the correct connection of all electrical connectors and vacuum lines,
• check engine performance parameters via diagnostics after startup.

Thanks to a design consistent with the original BMW project, the installation process is predictable for the workshop, and the component integrates with existing engine accessories without the need for modifications.

When should you replace the intake manifold with a flow meter?

Replacing the intake manifold with hot air measurement is recommended when symptoms such as the following appear:

• power drops or uneven operation of the diesel engine,
• increased fuel consumption with an unchanged driving style,
• engine control unit errors regarding air flow or the intake system,
• confirmed leaks or mechanical damage to the manifold.

Choosing an original component for a specific BMW 1, 3, or 5 series model with an M47/M57 engine allows for restoring the correct engine performance parameters and reducing the risk of further failures in the fuel supply system.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional manifolds, intake components, or related parts, check the available parts in the BMW Intake manifolds category.

To better understand the impact of intake and exhaust components on performance and engine characteristics, it is worth reading the guide on our blog: Performance exhaust system: used manifolds and sports catalytic converters on the road, where you will find practical tips on choosing used manifolds for BMW vehicles and other brands.