Engine Oil Level Sensor BMW F40 F45 G20 G30 Mini F54 F56 F57 F60 8638757

Engine Oil Level Sensor BMW F40 F45 G20 G30 Mini F54 F56 F57 F60 is an original component from the Oil pumps and parts group, designed for precise monitoring of the oil level in the engine. Thanks to its factory-fit design for selected BMW and Mini models, it ensures stable integration with the vehicle's electronics and reliable reading of engine operating parameters. This is a practical solution for users who want to keep the lubrication system within a safe range and avoid costly failures.

Specifications and technical data

• SKU: 8638757
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8638757
• Substitutable numbers: 8638757, 12618638757, 7508933, 12617508933
• Category: Oil Pumps & Parts

Purpose and function of the oil level sensor

The presented sensor is responsible for continuous measurement of the oil quantity in the oil pan and transmitting information to the engine control unit and the dashboard indicator system. A properly functioning component of this type:

• enables early detection of low oil levels,
• supports protection of the engine against seizing and overheating,
• ensures the correct operation of warning messages in the vehicle,
• maintains the consistency of diagnostic data read by a service tester.

As a result, the oil level sensor is an important component of the lubrication system, affecting the durability of the engine and the safety of vehicle operation.

Compatibility with BMW and Mini models

The discussed component has been designed for selected BMW F40, F45, G20, G30 series models and Mini F54, F56, F57, F60. This means that the sensor's design, its electrical connector, and the mounting method are adapted to the factory solutions used in these vehicle generations. Using a part from the same product family allows for maintaining:

• proper mechanical fit to the oil pan,
• compatibility with the wiring harness and engine control unit,
• stable operating parameters under typical operating conditions.

Selecting a sensor compatible with a specific BMW and Mini platform reduces the risk of installation errors and communication problems within the vehicle's network.

Performance characteristics and advantages of the OEM solution

The oil level sensor from this product group is prepared to work with factory diagnostic systems, which facilitates servicing and verification of correct operation. Key benefits of using an original solution include:

• consistency with engine control unit software – no need for adaptation or parameter modification,
• preservation of factory oil level warning thresholds,
• appropriate resistance to temperature and contact with the lubricant medium,
• possibility of using the manufacturer's existing service procedures.

Thanks to this, replacing the sensor is a predictable process, and the vehicle maintains its operating characteristics in accordance with the manufacturer's specifications.

Product condition and use in service practice

The offered oil level sensor is an aftermarket component, which allows for an economical repair of the lubrication system while maintaining the original design. This type of part is particularly suitable in situations where:

• the vehicle displays messages about incorrect oil level readings,
• diagnostics indicate improper sensor operation,
• replacement of the component is necessary during a major engine service.

Using an OEM component from the same model family facilitates maintaining the technical consistency of the vehicle and reduces the risk of electrical compatibility issues.

Related BMW lubrication system components

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 pump housings, drive gears, or oil supply lines, check the available parts in the BMW oil pumps and parts category.

How to consciously choose used parts

When selecting a used oil level sensor, it is worth paying attention to the origin of the component, compliance with the manufacturer's markings, and the operating history of the donor vehicle. Comparing the advantages and limitations of new versus aftermarket parts – in terms of costs, durability, and availability – can be helpful. This topic is discussed in more detail in the article Car parts – new or used? We compare costs, quality, and durability, which can provide practical support when making a purchasing decision.