BMW 3 E90 E91 E92 LCI X5 E70 Air Charge Intake Temperature Sensor Diesel 7812741

The BMW E90 E92 LCI X5 E70 Diesel Intake Air Temperature Sensor is a precise component of the intake system, responsible for accurately measuring the temperature of the air being drawn into diesel engines. A properly functioning sensor allows the engine control unit to ensure stable engine operation, optimize fuel delivery, and reduce smoke emissions. By choosing this component from the Hoses, Tubes, and Pipes category, you are investing in a proven intake system part that supports the correct performance characteristics of a diesel engine.

Specifications and technical data

• SKU: 7812741
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812741
• Substitutable numbers: 7812741, 13627812741
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Function of the Intake Air Temperature Sensor in Diesel Engines

The intake air temperature sensor in BMW models with a Diesel engine is responsible for continuously measuring the temperature of the air drawn into the manifold. Based on this signal, the engine control unit adjusts:

• the fuel injection quantity across various load ranges,
• the operation of the turbocharging and exhaust gas recirculation systems,
• the cold start strategy and idle stability.

A functional sensor helps reduce excessive fuel consumption, improves engine smoothness, and supports the maintenance of appropriate exhaust emission parameters.

Compatibility with BMW E90, E92 LCI, and X5 E70

The presented sensor is designed for use in popular BMW 3 Series E90, E92 LCI models, and the X5 E70 SUV with diesel engines. The component's design is adapted to the factory intake system, allowing for:

• installation in place of the original sensor without any wiring modifications,
• preservation of the engine's original performance characteristics,
• compatibility with the factory engine control unit and wiring harness.

This makes the sensor a practical solution for diagnosing issues with unstable engine operation, power loss, or errors related to intake air temperature.

Category: Hoses, Tubes, and Pipes – The Sensor's Role in the Intake System

Although the temperature sensor is a small component, its placement within the Hoses, Tubes, and Pipes category highlights its close connection to the intake system. In practice, it works in conjunction with:

• intake hoses that supply air to the manifold,
• pressure pipes between the turbocharger and the manifold,
• other components responsible for airflow.

Accurate temperature readings at this point allow the engine control unit to precisely adjust operating parameters to real-world conditions, resulting in more predictable throttle response and stable performance.

Component Condition and Installation Aspects

The offered sensor is a used part, allowing for an economical repair of the intake system while maintaining appropriate quality. Before installation, standard service procedures are recommended, including:

• verification of the mounting socket in the hose or manifold,
• checking the condition of the electrical connector and wiring,
• inspection of the intake system for leaks after replacement.

A correctly installed sensor enables the quick restoration of proper engine operating parameters without the need to interfere with other components.

Why Choose a Dedicated BMW Intake Air Temperature Sensor

Using a sensor designed for specific BMW models ensures:

• signal characteristic compatibility with the engine control unit's requirements,
• appropriate mechanical fit for the intended mounting location,
• effective error diagnostics based on factory service procedures.

This solution is particularly beneficial for symptoms such as power loss, increased fuel consumption, or recurring errors related to the intake system in diesel engines.

If you are looking for other parts in the Hoses, Tubes, and Pipes category dedicated to this brand, check out the available BMW Hoses, Tubes, and Pipes to comprehensively care for your car's intake system and related installations.

When planning service or upgrades for the engine in the 3 Series E90, it's also worth familiarizing yourself with common issues for these models. You can find a practical guide in the article Problematic BMW E90 Engines: Find Out What Can Ruin Your Budget!, which will help you better plan work on your car.