BMW E46 E60 E81 E87 E90 Temperature Sensor Coolant/Oil 1433076

The BMW E46 E60 E87 E90 Coolant/Oil Temperature Sensor 1433076 is an original part from the Temperature Sensors category, designed for precise monitoring of engine operating parameters in selected BMW models. A used OEM sensor ensures reliable reading of coolant or oil temperature, contributing to stable engine operation and correct engine control unit functionality.

Specifications and technical data

• SKU: 1433076-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1433076
• Substitutable numbers: 13621433076, 1433076, 2301783893513620150974, 7838935, 0150974, PK, 11127585906, 7585906, 11127567354, 7567354
• Category: Temperature Sensors

Purpose and Function of the BMW Temperature Sensor

The presented temperature sensor is designed to work with the engine control system in BMW E46, E60, E87, and E90 series models. It is responsible for the current measurement of the working medium's temperature (coolant or oil) and then transmitting the signal to the control unit. Based on this data, the control unit adjusts, among other things, the fuel injection amount, ignition timing, and radiator fan operating strategy.

By using an original BMW group sensor, the correct resistance characteristic as a function of temperature is maintained, which is crucial for the vehicle's electronics to correctly interpret the signal. In practice, this means stable idle speed, predictable engine warm-up, and proper functioning of the dashboard temperature indicators.

Benefits of Using an Original Temperature Sensor

Using an original part from the Temperature Sensors category instead of a worn-out or faulty replacement can help reduce common operational problems related to incorrect temperature measurement. The most important benefits include:

• correct compatibility with the factory BMW engine control unit,
• stable measurement signal across the full operating temperature range,
• reduced risk of engine overheating,
• better control over the cooling and lubrication system,
• reduction in temperature-related diagnostic errors.

For the user, this translates to more predictable vehicle behavior, a lower risk of thermal failures, and easier diagnosis of potential future malfunctions.

Product Characteristics and Condition

The offered temperature sensor is a used part, sourced from disassembly, which represents a cost-effective solution while maintaining the original BMW specifications. Such components, when properly maintained, retain their measurement properties for a long time, making them a sensible alternative to new parts, especially for vehicles that are several or over ten years old.

The sensor has an assigned OEM part number and related interchangeable numbers, which facilitates verification of compatibility with a specific engine version and model year. Before purchasing, it is advisable to compare the markings with the part installed in your vehicle or consult the manufacturer's catalog to confirm compatibility.

Professional Selection and Installation of the Temperature Sensor

To fully utilize the potential of the original BMW E46 E60 E87 E90 Coolant/Oil Temperature Sensor 1433076, it is recommended to install it according to the manufacturer's service procedure. This includes, among other things, proper preparation of the mounting socket, use of the correct seal, and inspection of the electrical system for corrosion and mechanical damage. A correctly installed sensor minimizes the risk of system leaks and signal interference.

In case of temperature-related errors, uneven engine operation after startup, or incorrect temperature gauge readings, replacing the sensor is one of the basic diagnostic steps. Using an original part allows for quickly ruling out a problem with the sensor itself and focusing on further diagnostics if necessary.

Cooling System, Operating Temperature, and Service Knowledge

A functional temperature sensor is particularly important during the summer when the cooling system is under increased load. If you want to better understand how high ambient temperatures affect engine cooling and how to sensibly use used components of this system, read the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.

If you are modernizing or servicing the temperature measurement system in your BMW and are also interested in other solutions from this component group, check out the available parts in the BMW Temperature Sensors category.