BMW E83 LCI E84 1.8dX 2.0dX N47 Exhaust Manifold EGR Gas Exhaust Cooler 7812147

BMW E83 LCI E84 1.8dX 2.0dX N47 Exhaust Manifold EGR Gas Exhaust Cooler is an original exhaust gas recirculation system component designed for BMW N47 diesel engines in X3 E83 and X1 E84 models. Thanks to its factory design, it ensures proper cooling of exhaust gases before they are reintroduced into the manifold, which promotes stable engine operation and compliance with emission standards. This is a practical solution for users looking for a proven OEM component from the EGR Valves and Parts category.

Specifications and technical data

• SKU: 7812147
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812147
• Substitutable numbers: 11717812147, 7812147
• Category: EGR Parts & Valves

Function and role of the EGR cooler in the N47 engine

The EGR cooler in N47 engines is responsible for lowering the temperature of exhaust gases directed back into the intake system. The reduced exhaust gas temperature helps limit nitrogen oxide emissions, improves engine refinement, and reduces thermal load on auxiliary components. A properly selected EGR cooler helps maintain stable combustion parameters, which translates into predictable throttle response and smooth idling.

Compatibility with BMW E83 and E84 with 1.8dX / 2.0dX engines

The presented cooler has been designed specifically for the EGR system in BMW X3 E83 and BMW X1 E84 models equipped with N47 diesel engines in 1.8dX and 2.0dX variants. Using an OEM part ensures:

• proper fitment to the factory manifold and EGR system hoses,
• compatibility with original mounting points in the engine bay,
• correct operation with other components from the EGR Valves and Parts group.

As a result, installation is straightforward, without the need for modifications or additional adapters.

Benefits of using an original EGR cooler

Using an original EGR cooler in the N47 engine helps limit typical issues related to exhaust overheating and unstable operation of the recirculation system. Key advantages include:

• factory flow channel geometry, supporting uniform exhaust cooling,
• maintenance of operating parameters specified by the engine manufacturer,
• better integration with the EGR valve and engine management system,
• the ability to restore proper system operation after a failure or leak of the previous component.

For workshops and users, this means a more predictable repair outcome and a lower risk of recurring issues related to the exhaust gas recirculation system.

Characteristics of the used part

The offered EGR cooler is a pre-owned aftermarket part, sourced from dismantling, which allows you to combine original BMW quality with an attractive purchase cost. This type of component is frequently chosen by workshops specializing in N47 engine service when a quick restoration of the EGR system's efficiency is needed while maintaining compliance with factory specifications. Before installation, a standard check of tightness and the condition of ports and mounts is recommended in accordance with service procedures.

Expanding the BMW EGR system – related components

If you are planning a comprehensive repair or upgrade of your BMW's engine area and need other elements from the same group, such as coolers, valves, or recirculation hoses, check out the available parts in the BMW EGR Valves and Parts category.

More about used parts and repair time

Using pre-owned OEM components, such as an EGR cooler, often allows for significantly shorter vehicle downtime in the workshop and optimizes service costs. If you want to learn how the availability of original dismantled parts affects the repair process, check out the article Availability of car parts off-the-shelf vs. repair time – how used OEM parts shorten workshop stays?.

For drivers interested in a broader perspective on the topic of used components in premium segment cars, including vehicles related to BMW in terms of design philosophy, the guide on optimal part selection for premium city cars, available in the article Used car parts for Mini Cooper – a way to style and savings, may also be helpful.