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BMW 5 E39 Petrol MAF Mass Air Flow Meter Sensor Intake Control Unit 1703275
SKU: 1703275
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Used
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BMW 5 E39 Petrol MAF Mass Air Flow Meter Sensor Intake Control Unit is a precision component of the fuel system, responsible for accurately measuring the amount of air intake in petrol engines. This allows the engine control unit to properly adjust the fuel dosage, which translates into stable engine operation, correct idle quality, and predictable throttle response. This item from the Air and fuel intake sensors group is intended for users looking for a proven, original solution for their BMW.
Specifications and technical data
- SKU: 1703275
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 1703275
- Substitutable numbers: 1703275, 13621703275
- Fuel type: Petrol
- Tire profile: 65535
- Category: Air Intake & Fuel Sensors
Function and role in the fuel system
The air flow meter in a BMW E39 with a petrol engine is responsible for measuring the mass of air drawn in by the engine, which is crucial for the correct air-fuel mixture. A properly functioning MAF sensor:
- stabilizes engine operation at idle,
- reduces the risk of jerking during acceleration,
- supports the maintenance of optimal fuel consumption,
- allows for maintaining correct dynamics across the entire rev range.
For BMW petrol units, repeatability and accuracy of air flow measurement are particularly important, as any error translates into incorrect fuel dosing and potential errors in the control unit.
Purpose and compatibility
The presented air flow meter is dedicated to BMW E39 series models with petrol engines. It belongs to the Air and fuel intake sensors group, which are components responsible for measuring and controlling air and fuel parameters in the intake system.
To select the correct sensor for a specific engine version, it is recommended to verify it by OEM number or by interchangeable numbers based on vehicle data. In case of doubt, matching by VIN number can also be helpful, which minimizes the risk of purchasing an unsuitable component.
Performance characteristics and installation
As a used component, the air flow meter is a reasonable choice for drivers who want to restore the proper operation of the intake system without the need to invest in a new part. This type of sensor, when properly selected, allows you to:
- restore the correct engine response to pressing the accelerator pedal,
- limit the occurrence of errors related to the air-fuel mixture,
- maintain stable engine operating parameters under various load conditions.
Installing the air flow meter in a BMW E39 is typically simple for an experienced mechanic – the component is located in the intake path, and its replacement usually involves disconnecting the electrical connector and unscrewing the clamps or mounting bolts. After installation, it is recommended to clear any errors in the control unit and perform an adaptation drive.
Why choose a used MAF sensor
In the case of engine electronics, such as air flow meters, choosing a used component can be technically justified, provided the part comes from a reliable source. Used engine electronics allow you to reduce repair costs while maintaining the manufacturer's original specifications. A properly selected MAF sensor for a BMW E39 can work stably for a long time, ensuring correct mixture parameters and predictable vehicle behavior.
If you want to better understand how to safely choose such components, check out the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, where topics such as selection by OEM numbers, compatibility issues, and practical installation examples are discussed.
Selection by numbers and technical support
When selecting an air flow meter for a BMW E39, it is crucial to compare the OEM part number and interchangeable numbers with your vehicle's data. This approach helps avoid electrical and mechanical compatibility problems. If you want to go through the verification process step by step, the following practical material will be helpful: Guide: how to choose the right car part by VIN and OEM number, which describes how to check part compatibility with a specific car configuration.
If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pressure sensors, temperature sensors, or fuel dosage control elements, check the available parts in the BMW air and fuel intake sensors category.
Delivery details
Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.
