BMW E90 E91 LCI F10 F20 F30 EGR Exhaust Cooler Diesel N47N 7822350

BMW F10 F20 F30 E90 E91 Exhaust Gas Recirculation (EGR) Cooler N47N is a component from the EGR Valves and Parts category, designed for the exhaust gas recirculation system in BMW diesel engines. It enables efficient cooling of exhaust gases directed back to the intake, supporting stable engine operation and reducing nitrogen oxide emissions. This is a solution for users seeking a technically matched component for a modern diesel engine.

Specifications and technical data

• SKU: 7822350
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7822350
• Substitutable numbers: 11717822350, 7822350
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and Function in the EGR System

The EGR cooler in BMW diesel models is responsible for lowering the temperature of exhaust gases before they are reintroduced into the intake manifold. This:

• reduces the amount of harmful nitrogen oxides in the exhaust,
• ensures the recirculation system operates under stable temperature conditions,
• maintains proper engine running characteristics across a wide range of loads.

For N47N units, a functional EGR heat exchanger is crucial for the correct operation of the engine control unit, maintaining proper combustion parameters, and avoiding limp-home mode.

Compatibility with BMW Models

The BMW F10 F20 F30 E90 E91 Exhaust Gas Recirculation (EGR) Cooler N47N is designed for specific generations of BMW 1, 3, and 5 Series equipped with N47N family diesel engines. The precise matching of port geometry, mounting points, and connections to the cooling system and exhaust manifold allows for installation in place of the original component without modifications.

It is always advisable to confirm part selection based on vehicle data and manufacturer markings to minimize the risk of incompatibility and expedite the service process.

Technical and Operational Characteristics

The EGR cooler operates in a demanding environment – it is exposed to high temperatures, variable pressure, and contact with diesel fuel combustion products. A properly selected component:

• ensures stable exhaust gas cooling across the entire RPM range,
• reduces the risk of overheating intake system components,
• supports the maintenance of correct emission values in diagnostic tests.

In diesel-powered engines, a functional EGR system directly impacts the lifespan of the turbocharger, particulate filter, and the overall efficiency of the powertrain.

Used Condition – A Conscious Service Choice

The offered EGR cooler is in used condition, providing an attractive cost-effective alternative to new components. With proper verification of seal integrity and channel flow, it can continue to be used without issues in a daily driven vehicle. This solution is particularly interesting for repairs where a reasonable cost-to-benefit ratio is key.

If you want to learn more about safely selecting parts from the secondary market, you'll find practical tips in the article: Used Parts – Your Guide to the Best Deals in the Automotive Store.

Related BMW EGR Valves and Parts

When replacing the exhaust gas cooler, it is worth considering checking other components of the recirculation system, such as the EGR valve, hoses, or mounting clamps. If you are looking for other BMW EGR Valves and Parts compatible with your car, check out our category: BMW EGR Valves and Parts, where you will find a wide selection of components for various models of this brand.