Exhaust Manifold BMW E60 E87 LCI E81 E88 E90 E91 LCI N47 Diesel Engine 7797389

Exhaust Manifold BMW E60 E87 LCI E81 E88 E90 E91 LCI N47 Diesel Engine is a factory-made exhaust system component designed for BMW N47 diesel engines. Thanks to the precise geometry of the channels and its perfect fit for the specific engine unit, it ensures stable exhaust gas discharge, proper turbocharger operation, and the maintenance of factory engine parameters. This is a solution for users who want to maintain the original performance characteristics of the engine while keeping maintenance costs favorable.

Specifications and technical data

• SKU: 7797389-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797389
• Substitutable numbers: 11627797389, 7797389
• Fuel type: Diesel
• Category: Manifolds & Headers

Purpose and function in the exhaust system

The offered exhaust manifold is a component of the exhaust system in BMW N47 series diesel engines, used in models such as the E60, E87 LCI, E81, E88, E90, and E91 LCI. Its task is to collect exhaust gases from individual cylinders and direct them to the rest of the system, while maintaining appropriate pressure and flow. A correctly selected manifold has a direct impact on:

• stable turbine operation and even boost pressure build-up,
• maintaining factory performance and the operating culture of the diesel engine,
• proper heat dissipation from the cylinder head and reduction of local thermal overloads.

Benefits of using an original BMW manifold

Using an original exhaust manifold in the N47 engine allows for the preservation of factory exhaust flow parameters and compatibility with the cylinder head and accessories. In practice, this means:

• reliable fitment with the engine unit and other exhaust system components,
• maintenance of the factory torque characteristics across the entire rev range,
• reduction of the risk of leaks at the connections with the cylinder head and turbocharger.

For users who drive their car daily, choosing an original manifold is a technically safe and predictable solution in the long term.

Characteristics of the used component

The presented exhaust manifold comes from dismantling and is a used part, which allows for a significant reduction in repair costs compared to a new OEM part. Such components are frequently chosen in cases of:

• repairs after cracking or deformation of the previous manifold,
• service work related to engine overheating,
• comprehensive work on the exhaust system in diesel engines.

Choosing a used OEM manifold is particularly beneficial where a combination of original design and a reasonable service budget is required.

Application in N47 diesel engines

N47 engines are popular BMW diesel units where proper exhaust flow is crucial for turbocharger operation, exhaust emissions, and fuel consumption. The exhaust manifold dedicated to this engine family supports:

• maintaining the correct backpressure in the exhaust system,
• compatibility with factory equipment (turbo, subsequent exhaust elements),
• stable engine operation in both city and highway conditions.

Thanks to this, it is an important element in restoring the full efficiency of the exhaust system after a failure or wear of the previous manifold.

Exhaust system expansion and related parts

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 additional manifolds, connecting sections, or mounting hardware, check out the available parts in the BMW Exhaust Manifolds category.

If you want to better understand the impact of the manifold on the operation of the entire exhaust system and are considering various solutions, including performance components, take a look at our blog article on performance exhaust systems and used manifolds in BMWs, where you will find practical tips regarding the selection and operation of such elements.