BMW 7 Series E65 E66 735i 745i N62 Hot Film Mass Air Flow Maf Meter 7501554

BMW 7 Series E65 E66 735i 745i N62 Hot Film Mass Air Flow Maf Meter is a component from the Air and fuel intake sensors category, designed for precise measurement of the intake air volume in N62 engines. A properly selected mass air flow meter supports stable engine operation, correct fuel metering, and smooth performance at idle and under load. This is a solution for users who expect a proven component tailored to the specifics of BMW E65 and E66 models.

Specifications and technical data

• SKU: 7501554
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7501554
• Substitutable numbers: 13627501554, 7501554, 0280218077, 0 280 218 077
• Category: Air Intake & Fuel Sensors

Purpose and function in the intake system

The mass air flow meter in the N62 engine is responsible for measuring the mass of air drawn through the intake system, which allows the engine control unit to select the appropriate fuel dose. In BMW 7 Series E65 and E66 models with 735i and 745i units, this has a direct impact on:

• idle speed stability,
• smooth acceleration across the entire rev range,
• maintaining the correct air-fuel mixture ratio,
• reducing excessive fuel consumption.

A well-chosen mass air flow meter also helps reduce the risk of errors related to the mixture and uneven engine operation, which is particularly important in advanced BMW V8 units.

Compatibility with the N62 engine in BMW E65/E66

The offered mass air flow meter has been designed with the specifics of the intake system in BMW E65 and E66 with the N62 engine in mind, which translates into proper fitment to the air filter housing and correct cooperation with the vehicle's electronics. This makes it possible to maintain the factory performance characteristics of the engine without the need for installation modifications.

The element belongs to the Air and fuel intake sensors group, which means it works with other sensors responsible for monitoring mixture parameters, such as temperature or pressure sensors in the intake system. The consistency of signals from these components is crucial for the proper operation of the engine control unit.

Characteristics of the used component

The product is offered as a used part, which allows for an economical replacement of a damaged mass air flow meter while maintaining the original installation specification. This type of solution is often chosen when servicing older generations of BMW, where both fitment and reasonable repair costs are important.

Before installation, a standard diagnostic procedure of the intake system is recommended, including checking the tightness of the hoses, the condition of the air filter, and reading error codes from the onboard computer. This allows you to ensure that replacing the mass air flow meter is the correct response to symptoms such as power loss, increased fuel consumption, or uneven engine operation.

The importance of correctly selecting air and fuel intake sensors

In modern gasoline units, such as the N62, sensors from the Air and fuel intake sensors group form a coherent measurement system. An incorrect or faulty mass air flow meter can lead to:

• incorrect mixture composition and performance drop,
• increased exhaust emissions,
• accelerated wear of ignition system components,
• appearance of errors in the engine control unit.

Therefore, when diagnosing engine operation problems, it is worth considering the condition of the mass air flow meter as one of the key elements of the intake system, especially in vehicles that have been in operation for many years.

Expert support and additional information

If you are considering using a pre-owned element in the air measurement system and want to better understand when choosing second-hand electronics makes sense, the article on our blog will be helpful: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

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 flow sensors, air temperature measurement elements, or components related to fuel dosing, check the available parts in the BMW air and fuel intake sensors category.