Air Pipe Connector BMW X3M F97 X4M F98 Petrol S58 Turbocharger Inlet Cyl. 4-6

The BMW X3M F97 X4M F98 S58 Inlet Pipe Turbocharger Elbow Cylinders 4-6 is an original turbocharger and parts component designed for the S58 petrol engine. This component ensures proper compressed air flow to the turbocharger for the second cylinder bank, which has a direct impact on the engine's stable operation and performance.

Specifications and technical data

• SKU: 8089779
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8089779
• Substitutable numbers: 8089779, 11658089779
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function in the supercharging system

The featured intake – turbocharger elbow pipe operates in the S58 engine supercharger system in the BMW X3M F97 and X4M F98 models, handling the airflow for cylinders 4–6. It is responsible for a tight and stable connection between the intake components and the turbocharger, which reduces pressure drops and supports uniform cylinder filling.

A properly selected intake elbow helps maintain:

• correct airflow characteristics at high engine loads,
• stable boost pressure within the operating range of the S58 unit,
• consistency of the turbocharger operation with the petrol engine control system.

Original origin and fitment to BMW X3M / X4M

This BMW OE component is factory-fitted to the engine compartment design of the X3M F97 and X4M F98. The elbow geometry, connection diameters, and mounting points are consistent with the manufacturer's design, allowing for easy installation without the need for modifications or adapters.

The original component of the supercharging system provides:

• compatibility with the turbocharger intended for the S58 engine,
• correct positioning in relation to other intake pipes and accessories,
• maintaining the factory stiffness and tightness of connections.

Used condition and the benefits of choosing OE parts

The turbocharger elbow pipe is offered in used condition, reducing repair costs while maintaining the characteristics of the original BMW component. For many owners of sporty X3M and X4M models, this represents a reasonable compromise between price and quality, especially when it comes to specialized turbocharger parts.

Choosing a used OE component is beneficial when you want:

• maintaining the factory specifications of the supercharging system,
• avoiding problems with matching substitutes,
• maintaining the consistency of the petrol engine operation with the original controller software.

If you'd like to compare the advantages of new and used parts in more detail, you'll find a practical comparison in the article "New or Used? Comparing the Cost and Quality of Car Parts," which discusses, among other things, the selection of used OEM parts.

Technical aspects important during installation

The turbocharger elbow operates under demanding thermal and pressure conditions typical of a supercharged petrol engine . Therefore, during installation, it's important to pay attention to:

• condition of the sealing surfaces on the turbocharger and intake duct sides,
• correct positioning in relation to thermal shields and adjacent elements,
• use of appropriate clamps and fasteners in accordance with the BMW design.

Professional installation reduces the risk of leaks, boost pressure drops and incorrect readings from the intake system sensors, which translates into stable operation of the S58 unit across the full rpm range.

Other BMW supercharging system components

If you are also looking for other turbochargers and parts for BMW, check out the turbochargers and parts for BMW available in our store to complete the entire supercharging system compatible with the factory specifications of your vehicle.