BMW X5 E70 E90 LCI F10 F20 F21 F30 Temperature Sensor Oil Coolant 7580635

BMW X5 E70 E90 LCI F10 F20 F21 F30 Coolant Temperature Sensor is an original part from the Air and Fuel Intake Sensors group, designed for precise control of the engine's operating parameters in selected BMW models. A used OEM component ensures proper integration with the vehicle's factory electronics, leading to stable engine operation and accurate diagnostics.

Specifications and technical data

• SKU: 7580635
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7580635
• Substitutable numbers: 13627580635, 7580635
• Category: Air Intake & Fuel Sensors

Purpose and Function of the Coolant Temperature Sensor

The coolant temperature sensor in the discussed BMW models is responsible for transmitting information about the current working medium temperature to the engine control unit. Based on this data, the control system adjusts fuel dosage, ignition timing, warm-up strategy, and auxiliary equipment operating parameters. A properly functioning component helps maintain stable idle speed, correct injection map switching, and predictable engine behavior under various load conditions.

In case of incorrect sensor readings, difficulties with cold starts, increased fuel consumption, or errors stored in the control unit's memory may occur. Replacing it with a functional, original BMW part is one of the fundamental service procedures to restore proper system operation in such situations.

Compatibility with BMW Models

The presented coolant temperature sensor is designed to work with selected BMW X, 3, and 5 series models, including generations designated as X5 E70, E90 LCI, F10, F20, F21, and F30. This ensures structural, electrical, and logical compatibility with the factory wiring harnesses and control units used in these vehicles.

To confirm compatibility with a specific engine version, it is recommended to verify using the OEM number or the vehicle's VIN in the manufacturer's catalog. This approach minimizes the risk of selecting the wrong variant and speeds up the service process, especially for vehicles that have undergone modifications or have custom equipment configurations.

Component Characteristics and Advantages of Using OEM Parts

The coolant temperature sensor from this reference is a genuine BMW part, meaning it maintains original measurement characteristics and offers full compatibility with the control unit's software. In practice, this translates to:

• stable and repeatable temperature readings across the entire engine operating range,
• proper response of the injection system to changes in load and thermal conditions,
• correct operation of engine protection strategies at excessively high temperatures,
• no need for adaptation or modification of the electrical system.

A used OEM component retains the original connector geometry and electrical connector type, allowing for installation similar to the factory service procedure. For the user, this means reduced vehicle downtime and a lower risk of leaks or circuit interruptions.

Professional Installation and Fuel System Diagnostics

When replacing the coolant temperature sensor, it is advisable to combine this operation with diagnostics of the entire fuel supply and engine control system. Real-time parameter monitoring, comparison of readings with other sensors, and verification of fuel correction maps can help detect potential issues before more serious faults occur. For users who wish to deepen their knowledge of the fuel system's operation, the guide Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which describes diagnostic and operational principles, will be useful.

Informed Choice of a Used BMW Sensor

When opting for a used coolant temperature sensor, it is important to pay attention to its origin, compliance with manufacturer markings, and the condition of the electrical connectors. A sensible selection of parts from the secondary market can significantly reduce repair costs while maintaining proper system functionality. Additional tips on safely using second-hand parts are provided in the guide Buying Used Car Parts and Common Mistakes When Choosing Tuning Components, which helps avoid typical pitfalls when assembling components.

If you plan to replace more than one measurement element during the service of your BMW's intake or fuel system, and you want to maintain component consistency, check other available solutions – especially if you are interested in additional sensors that work with the engine control system, explore parts in the BMW Air and Fuel Intake Sensors category.