BMW F90 F91 F92 F93 Exhaust Pressure Sensor Difference Sender 8098309

BMW F90 F91 F92 F93 Exhaust Pressure Sensor Difference Sender is a precision component from the Engine sensors and switches category, responsible for reliable reading of engine operating parameters. The offered BMW unit comes from dismantling, which allows for an economical yet technically sound repair of the engine control system in F-series vehicles.

Specifications and technical data

• SKU: 8098309
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8098309
• Substitutable numbers: 8098309, 13628098309
• Category: Engine Sensors & Switches

The role of the exhaust pressure sensor in a BMW engine

The exhaust pressure sensor in BMW F90, F91, F92, and F93 models works with the engine control electronics, providing information about the load and operating conditions of the power unit. A properly functioning component of this type:

• supports stable engine operation across the entire rev range,
• enables the controller to precisely dose fuel,
• helps maintain the appropriate engine operating culture,
• reduces the risk of the engine entering limp mode caused by incorrect pressure readings.

As a result, replacing a faulty sensor with a functional unit from the same group allows for restoring the correct operation of the control system without the need to interfere with other components.

Why it is worth using an original BMW sensor

Using sensors from the same production line as the vehicle's factory equipment translates into predictable engine controller behavior. The original BMW exhaust pressure sensor ensures:

• electrical characteristics compliance with controller requirements,
• a stable signal under typical operating conditions,
• proper fitment to the wiring harness and mounting points in the engine bay.

In practice, this means a lower risk of diagnostic errors and repeatable operating parameters, which is particularly important in modern BMW F-series power units.

Selection and installation in BMW F90, F91, F92, F93 vehicles

When selecting an exhaust pressure sensor for a BMW F-series, it is crucial to match it to the specific engine version and vehicle year. The offered element from the Engine sensors and switches group has been designed for integration with the factory control system, which facilitates installation in the location provided by the manufacturer.

During installation, it is worth paying attention to:

• proper seating of the sensor in the socket,
• cleanliness of the contact surfaces and supply lines,
• secure connection to the wiring harness without tension on the wires.

Such an approach minimizes the risk of leaks and signal interference, which translates into stable engine operation after replacing the component.

Condition and service application

The offered sensor is a used component, which makes it an attractive solution for workshops and users looking for a compromise between repair costs and maintaining the vehicle's original specifications. In practice, such a component works well for:

• clearing errors related to exhaust pressure readings,
• comparative diagnostics (swapping for a known working unit),
• engine control system repairs in high-mileage vehicles.

Thanks to maintaining the factory design, the sensor can be integrated into the existing system without the need for installation modifications.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as temperature sensors, pressure switches, or other control sensors, check the available parts in the BMW engine sensors and switches category.

Technical support and service knowledge

When working with modern power units, it is worth using reliable sources of knowledge regarding diagnostics and engine accessory regeneration. A good supplement when planning major service work can be reading an article dedicated to refreshing diesel units, available at the link: The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of a 3.0 V6 CDI. Although it concerns a different brand, it shows a practical approach to restoring the efficiency of modern engines, which can also be applied to servicing BMW units.