BMW X3 F25 X4 F26 X5 F15 EGR Cooler Engine B47 Exhaust Cooler EGR Valve 7822348

BMW X3 F25 X4 F26 X5 F15 EGR Cooler Engine B47 Exhaust Cooler EGR Valve is an exhaust gas recirculation system component designed for B47 diesel engines used in popular BMW SUV models. The combination of the EGR valve and the exhaust cooler allows for precise control of exhaust gas flow and effective cooling, which supports stable engine operation and reduces emissions. This technical solution is crucial for maintaining the correct operating parameters of a diesel engine in daily use.

Specifications and technical data

• SKU: 7822348-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7822348
• Substitutable numbers: 7822348, 11717822348
• Fuel type: Diesel
• Part type: EGR Cooler
• Category: EGR Parts & Valves

Function of the EGR valve and exhaust cooler in the B47 engine

In B47 diesel engines, the EGR system is responsible for the controlled return of a portion of exhaust gases to the combustion chamber. The integrated exhaust cooler lowers their temperature before they are reintroduced into the intake manifold, which helps reduce nitrogen oxide formation and stabilizes the combustion process. As a result, the engine runs smoothly, and emission parameters remain within the limits specified by the manufacturer.

A properly selected and functional component from the EGR valves and parts category has a direct impact on:

• proper diesel engine operation across the full load range,
• maintaining appropriate exhaust emission values,
• reducing the risk of the engine entering limp mode,
• exhaust gas temperature stability in the exhaust system.

Compatibility with BMW X3 F25, X4 F26, X5 F15 models

The presented component has been designed for use in modern BMW SUVs equipped with the B47 engine. The design of the EGR system in these models is strictly matched to the engine architecture and engine control strategy, which is why selecting the correct valve with an exhaust cooler is important for both durability and proper interaction with the vehicle's electronics.

In practice, this means that installing the correct component helps maintain:

• consistency with factory engine control unit calibration,
• correct temperature and flow values in the exhaust circuit,
• stable operation of OBD diagnostic systems.

Technical characteristics and benefits of use

Combining the EGR valve and exhaust cooler into a single assembly simplifies installation in the engine bay and facilitates maintenance. This component operates under demanding thermal and pressure conditions, so its design is prepared for long-term operation in a diesel engine. Using the appropriate component helps reduce common problems such as excessive carbon deposit buildup, unstable idle speed, or power loss.

The main advantages of using the correct EGR valve with an exhaust cooler in a B47 unit include:

• better exhaust gas temperature control in the intake and exhaust system,
• more uniform mixture combustion across the entire RPM range,
• reduced load on other exhaust aftertreatment system components,
• maintaining compliance with factory manufacturer requirements.

Condition, selection, and practical installation aspects

The offered component is in used condition, which allows for an economical replacement of the subassembly while maintaining the functionality required for daily operation. In the case of EGR systems, it is crucial to match the part to the specific engine version and vehicle model; therefore, before installation, it is worth verifying compatibility with your BMW by using technical data and manufacturer markings.

When planning service work within the exhaust gas recirculation system, it is also worth considering checking the hoses, clamps, and connections in the exhaust cooling circuit to ensure tightness and proper flow of the cooling medium. This approach reduces the risk of repeated interventions in a short time and supports long-term, stable engine operation.

Related system components and additional materials

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 EGR valves, exhaust coolers, or recirculation hoses, check the available parts in the BMW EGR valves and parts category.

For a better understanding of the impact of individual components on powertrain durability and how to assess the condition of used components, it is worth reading the guide: Second-hand differential – what you need to know about used differentials, sensors, and drive systems. This article helps organize knowledge regarding diagnostics and making informed choices when purchasing parts from the secondary market.