BMW F74 F40 F44 F48 F60 F46 MINI F55 56 F66 Oil Level Sensor Module Unit 5A740A2

BMW F74 F40 F44 F48 F60 F46 MINI F55 56 F66 Oil Level Sensor Module Unit is an original component from the Oil coolers and lines group, designed for precise monitoring of the oil quantity in the engine. Thanks to the BMW factory specification, it ensures a reliable oil level reading, which translates into safe and stable operation of the power unit. This is a solution for users who expect a proven design and compatibility with factory diagnostic systems.

Specifications and technical data

• SKU: 5A740A2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A740A2
• Substitutable numbers: 12615A740A2, 5A740A2, 12615A14BF9, 5A14BF9, 12618638757, 8638757, 12617508933, 7508933
• Part type: Oil Cooler
• Category: Engine Oil Coolers & Lines

Purpose and function of the oil level sensor

The oil level sensor used in selected BMW F-series and MINI models works with the electronic engine control system, transmitting information about the current oil quantity. A properly functioning element of this type:

• enables early detection of an excessively low oil level,
• supports engine protection against seizing and overheating,
• ensures consistency of readings with the onboard system and dashboard messages. For units where oil level monitoring is performed electronically, a functional sensor is crucial for maintaining stable lubrication conditions and for the correct operation of systems related to the oil circuit.

Benefits of using an original BMW component

Using an original oil level sensor in BMW and MINI vehicles allows for maintaining compliance with the factory engine operating characteristics. An element designed by the manufacturer:

• is matched to the specific geometry of the oil pan and lubrication system,
• works with the engine control unit software without the need for modifications,
• reduces the risk of erroneous readings and unwanted service messages. For users who prioritize stability of engine operating parameters and predictable vehicle behavior, choosing an original solution is particularly beneficial.

Characteristics of the used component

The offered oil level sensor comes from dismantling and represents the group of used OEM parts. This type of component is an attractive alternative to new subassemblies, especially in the case of maintenance repairs where a reasonable balance between cost and functionality counts. The used OEM element retains the factory design and mounting method, which facilitates its installation in place of the previous sensor. Before installation, a standard service procedure is recommended, including checking the socket, seals, and electrical wiring to ensure a correct oil level reading and system tightness.

Integration with the lubrication system and diagnostics

The oil level sensor from this series works with the lubrication system and the vehicle's diagnostic system, transmitting data to the engine control unit and the instrument cluster. A properly selected element:

• facilitates oil status monitoring without the need for mechanical measurement,
• supports the diagnosis of faults related to the oil circuit,
• helps reduce the risk of serious damage resulting from driving with an excessively low lubricant level. Thanks to this, the driver receives clear messages about the need to top up the oil or perform a service, which helps keep the power unit in good technical condition.

Maintenance repairs and used subassemblies

In the case of faults related to the oil circuit – such as incorrect level readings, error messages, or leaks – using a used oil level sensor can be a reasonable solution, especially for maintenance repairs in older vehicles. To better plan the scope of work and the selection of components, it is worth reading the guide on using parts from dismantling, symptoms of faults, and typical service procedures: maintenance faults and repair costs using used car parts.

Expanding work within the BMW oil system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as oil lines, oil cooling elements, or additional lubrication system components, check the available parts in the BMW Oil coolers and lines category.

Summary

BMW F74 F40 F44 F48 F60 F46 MINI F55 56 F66 Oil Level Sensor Module Unit is a factory element designed to work with the electronic engine control system, ensuring a reliable oil level reading. The used OEM component allows for maintaining compatibility with the vehicle's installation while simultaneously reducing repair costs compared to a new part. This is a practical solution for drivers who want to maintain the efficiency of the lubrication system and avoid more serious engine failures.