Audi A4 B7 1.8 T BFB Petrol Engine Inlet Intake Camshaft 058109021B

Audi A4 B7 1.8 T BFB Petrol Engine Inlet Intake Camshaft is an original component from the Camshafts group, designed for 1.8 T petrol engines with the BFB code. This used OEM component ensures proper cooperation with the cylinder head, lubrication system, and timing control, which translates into stable engine operation and correct cylinder filling phase with the air-fuel mixture.

Specifications and technical data

• SKU: 058109021M
• Mark: Audi
• Condition: Used
• OEM Part Number: 058109021M
• Substitutable numbers: 058109021M, 058 109 021 M
• Fuel type: Petrol
• Category: Camshafts

Purpose and technical function

The presented intake camshaft is designed to work with the 1.8 T BFB petrol engine in the Audi A4 B7. It is responsible for precise control of the intake valve opening, which is crucial for proper cylinder filling, smooth idling, and stable torque characteristics across the entire rev range.

A properly selected intake camshaft allows maintaining the factory performance parameters of the power unit, reduces the risk of power loss, increased fuel consumption, and improper operation of the ignition system. This is particularly important in turbocharged engines, where the accuracy of timing phases also affects the turbocharger load and exhaust gas temperature.

Application in a petrol engine

The component is intended for a unit powered by petrol, which means the cam profile, material hardness, and operating characteristics are adapted to the specifics of spark ignition. As a result, the camshaft works with factory valve springs, tappets, and control elements without the need for additional modifications.

In practice, installing this component allows you to:

• restore the correct synchronization of intake valve operation,
• minimize the risk of uneven engine operation when cold and warm,
• maintain appropriate combustion and exhaust emission parameters,
• reduce mechanical noise in the upper part of the power unit.

Benefits of using an original camshaft

Choosing an original intake camshaft for the Audi A4 B7 1.8 T BFB is a solution that facilitates service and diagnostics. The component complies with factory design specifications, ensuring correct timing phase angles and compatibility with stock engine management system elements. For workshops, this means predictable installation time, and for the user – stable performance of the power unit.

A used component from the Camshafts group can be particularly attractive for repairs where the cost-to-effect ratio is important, while maintaining compliance with the vehicle manufacturer's solutions.

Selection, compatibility, and technical support

When selecting an intake camshaft for the Audi A4 B7 1.8 T BFB, it is crucial to match it to the specific engine version and verify OEM markings and interchangeable numbers. Proper identification helps avoid problems with installation, improper timing operation, or the need for re-dismantling the cylinder head.

To better understand the importance of correctly selected timing system components and the impact of their wear on engine operation, it is worth reading expert material on timing service in modern engines – the article BMW N47 timing chain – typical failure and repair using original BMW parts will be helpful, as it discusses practical aspects of diagnostics and replacement of timing components.

If you want to further minimize the risk of an incorrect purchase of a used component and learn practical tips on verifying compatibility with OEM numbers, check out the guide how to professionally select used car parts, where you will find specific tips on selecting parts for your car.

Expanding repairs within the Audi timing system

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional camshafts, components cooperating with cams, or valve timing control components, check the available parts in the Audi Camshafts category.