BMW E90 E91 F20 F21 F30 F31 F10 F11 LCI Air Flow Meter Tube Charge Air 8506359

BMW E90 E91 E92 F10 F11 F20 F21 F30 LCI Air Mass Meter is an original part from the Air and Fuel Intake Sensors group, designed for precise measurement of the mass of air drawn into BMW engines. Thanks to its factory specifications and compatibility with specific BMW generations, it ensures stable engine operation and correct functioning of engine control systems.

Specifications and technical data

• SKU: 8506359
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8506359
• Substitutable numbers: 8506359, 11618506359, 8519492, 11618519492, 4744639, 11614744639
• Category: Air Intake & Fuel Sensors

Purpose and Role in the BMW Intake System

The air mass meter in BMW models E90, E91, E92, F10, F11, F20, F21, and F30 LCI is responsible for accurately measuring the amount of air supplied to the engine. Based on this data, the engine control unit determines the fuel dosage, adjusts ignition timing, and manages auxiliary components. A correctly functioning sensor translates to:

• stable idle speed and smooth acceleration,
• correct fuel-air mixture,
• efficient operation of the injection system and emission control systems,
• reduction of excessive fuel consumption.

Selecting an air mass meter that matches the factory BMW specifications is crucial for maintaining engine performance parameters and avoiding control unit errors.

Benefits of Using an Original BMW Sensor

A part from the BMW OE version of the Air and Fuel Intake Sensors category ensures compatibility with factory control unit maps and proper measurement characteristics. In practice, this means:

• secure fit to the air filter housing and electrical system,
• correct interaction with the engine control unit software without the need for adaptation,
• reduced risk of mixture and airflow-related errors,
• maintenance of engine operating culture at the level intended by the manufacturer.

An additional advantage is the presence of dedicated replacement numbers, which facilitates compatibility verification by OEM number or vehicle VIN, without the need for aftermarket parts with uncertain characteristics.

Condition, Verification, and Preparation for Installation

The offered air mass meter is a used part, sourced from disassembly, allowing for a combination of favorable pricing with the preservation of original BMW specifications. Such components are often chosen for professional repairs where compliance with factory equipment and predictable long-term performance are prioritized.

Before installation, standard service procedures are recommended: checking connector condition, intake system sealing, and potential parameter adaptation in the engine control unit using appropriate diagnostic software. A correctly installed air mass meter can quickly eliminate typical symptoms of a worn-out old sensor, such as power loss, jerking, or uneven idling.

Selection by OEM Number and Integration with the Fuel System

The correct selection of an air mass meter for a specific BMW engine version should be based on the OEM part number and the list of replacement numbers. This allows for precise confirmation of compatibility with the given engine unit and avoidance of problems with incorrect airflow readings. This is particularly important in modern engines where air and fuel intake sensors work in conjunction with an advanced injection system.

To better understand the relationships between the air mass meter and engine fuel supply components, it is advisable to consult specialized technical materials. The article describing the diagnostics and operation of the fuel system – Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses, among other things, part selection by OEM numbers and the impact of sensors on engine operation, may be helpful.

Other BMW Air and Fuel Intake Sensors

If you are also looking for other components from the same group, such as additional pressure or temperature sensors in the intake and fuel system, it is worth checking the full offer for this brand. Browse available BMW Air and Fuel Intake Sensors to select complete, cohesive components for your car and carry out the repair comprehensively.