BMW E90 E91 LCI F30 F10 Diesel N57 Turbocharger Muffler Clamp Bracket 7804161

The BMW E90 E91 LCI F30 F10 N57 Turbocharger Clamp is a specialized mounting component designed for the turbocharger systems of BMW N57 diesel engines. The clamp ensures a stable connection of turbocharger components, which directly impacts the tightness, durability, and proper operation of the entire turbocharger system in diesel cars.

Specifications and technical data

• SKU: 7804161
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7804161
• Substitutable numbers: 7804161, 11657804161, 8518404, 11658518404, KD
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and application in N57 engines

This BMW turbocharger clamp is designed for the N57 engine used in 3 and 5 Series models, such as the E90, E91 LCI, F30, and F10. This turbocharger and parts component is responsible for the reliable and repeatable mounting of turbocharger components in a diesel engine, reducing the risk of leaks and unwanted vibrations.

The clamp operates in close proximity to the high temperatures and pressures typical of modern diesel engines, so its correct selection for a specific N57 unit is crucial to the reliability of the charging system.

Technical and functional characteristics

As an original BMW component, the clamp is precisely matched to the turbocharger geometry used in N57 engines. Its carefully selected profile and clamping force allow for:

• stable mounting of the turbocharger body or connectors in the exhaust-intake system,
• maintaining proper tightness of connections under variable engine loads,
• reduction of stresses resulting from operation at high temperatures and high exhaust gas pressure,
• reducing the risk of leaks, which could lead to a loss of power or errors in engine operation.

The clamp is a simple design element, but it has significant operational significance – its wear, deformation or corrosion can cause problems with the turbocharger, therefore replacing it with the correct OEM component is the recommended service solution.

Product condition and the benefits of choosing a used part

The clamp is in used condition, meaning it has been disassembled but retains all the functionality required for continued use. This means the user can restore the correct turbocharger mounting at a lower cost than purchasing a new part, while maintaining the original manufacturer's specifications.

Choosing a used OEM component is particularly beneficial for heavily used vehicles where a reasonable balance between repair costs and maintaining compatibility with the factory supercharger design is important.

Why is it worth using the original BMW turbocharger clamp?

The use of a dedicated clamp in the BMW N57 diesel engine translates into a number of practical benefits:

• Factory fit – designed for the specific turbocharger and exhaust/intake system in the E90, E91 LCI, F30 and F10 models.
• Stable operation of the turbocharger – correct mounting reduces the risk of play, noise and leaks.
• Operational safety – a properly installed turbocharger reduces the risk of failures resulting from leaking connections.
• Economical repair – a used OEM component allows you to reduce service costs while maintaining compliance with the manufacturer's design.

This makes the BMW E90 E91 LCI F30 F10 N57 Turbocharger Clamp a sensible choice both for standard repairs and when replacing the turbocharger with a remanufactured unit.

Other BMW turbocharger clamps and technical knowledge

If you're looking for other turbocharger clamps for BMW, check out our dedicated offer: BMW Turbocharger Clamps . There, you'll find a wide selection of mounting components tailored to various generations of BMW diesel and petrol engines.

When planning repairs or modifications to the supercharger system, it's also worth familiarizing yourself with practical advice on using used components in premium cars. You can find more on this topic in the article: Audi with Second-Hand Parts – Tuning and Repairs Without Losing Quality , which describes how to carefully choose remanufactured and used components – including turbochargers – to maintain high performance and durability of the drivetrain.