Camshaft BMW E90 LCI Petrol N55 Exhaust Camshaft With Bearing Housing 7576161

Camshaft BMW E90 LCI Petrol N55 Exhaust Camshaft With Bearing Housing is an original component from the Camshafts group, designed for BMW N55 petrol engines. This used OEM component allows for a technically correct repair of the timing system, maintaining factory engine performance parameters and stable exhaust valve timing characteristics.

Specifications and technical data

• SKU: 7576161
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7576161
• Substitutable numbers: 7576161, 11317576161
• Fuel type: Petrol
• Category: Camshafts

Purpose and function in the N55 engine

The presented exhaust camshaft operates in the cylinder head of the petrol engine, controlling the precise opening and closing of the exhaust valves. A correctly selected component from the Camshafts family is crucial for:

• maintaining proper cylinder filling and scavenging,
• stable engine operation across the entire RPM range,
• correct interaction with the engine management system and position sensors,
• reducing vibration and noise in the timing area.

For BMW N55 engines, using an original exhaust camshaft is particularly important for durability and maintaining the factory performance characteristics of the petrol unit.

Benefits of using an original BMW camshaft

The used camshaft from BMW ensures the preservation of cam geometry consistent with the manufacturer's design. This translates into:

• appropriate exhaust valve opening dynamics,
• correct exhaust gas pressure in the manifold,
• proper interaction with the turbocharger and exhaust system,
• consistency with engine control unit maps.

Choosing an original BMW component reduces the risk of adaptation issues in the ECU, rough idling, or performance drops. This is a particularly beneficial solution for repairs of petrol units where timing precision has a direct impact on fuel consumption and exhaust emissions.

Product characteristics and service application

The offered exhaust camshaft is a component intended for installation in the cylinder head, replacing the factory component. It is suitable for both standard replacement of a worn camshaft and comprehensive rebuilding of the upper part of the engine. Thanks to the cam geometry specific to the BMW N55, it is possible to:

• restore proper timing system operation after a mechanical failure,
• eliminate abnormal noises from the cylinder head area,
• reduce the risk of secondary damage to cooperating components (tappets, rocker arms, valves),
• maintain stable operating parameters in both cold and warm conditions.

This is a practical solution for workshops specializing in BMW service and for users who want to maintain consistency with the factory engine specification.

Used camshaft selection and OEM compatibility

When selecting a camshaft for a BMW E90 LCI with an N55 engine, it is crucial to compare the OEM part number and interchangeable numbers with the vehicle data. The product has assigned identifiers that facilitate verification of compatibility with a specific version of the petrol engine. This helps reduce the risk of an incorrect purchase and avoid installation problems.

To better understand the importance of correctly selected timing components in BMW engines and the impact of wear on engine operation, it is worth reading our guide: BMW N47 timing chain – typical failure and repair using original BMW parts. The article discusses symptoms of timing component wear, repair costs, and the advantages of using original and used BMW components.

If you want to further optimize the process of selecting parts and avoid mistakes when purchasing used components, our guide will be helpful: how to professionally select used car parts, saving time and nerves, where you will find practical tips on verifying OEM compatibility.

Expanding the BMW timing system – related components

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 camshafts, cooperating parts, or phase control components, check out the available parts in the BMW Camshafts category.