BMW F20 F30 LCI M140i M240i 340i 440i B58 Turbo Charger Turbocharger 7643147

BMW F20 F30 LCI M140i M240i 340i 440i B58 Turbocharger 7643147 is an original turbocharger from the Turbochargers & Parts category, designed for the modern B58 engines in the sporty BMW 1, 2, 3, and 4 Series models after facelift. The used OEM component ensures a factory fit, maintaining the characteristic dynamics and flexibility of the engine.

Specifications and technical data

• SKU: 9423788
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9423788
• Substitutable numbers: 11659423788 7643147, 9423788
• Category: Turbos & Parts

Intended use and compatibility with the B58 unit

This turbocharger is designed to fit the B58 engine used in the M140i, M240i, 340i, and 440i versions of the F20/F30 LCI generation. This solution is designed to withstand the high thermal and mechanical loads typical of powerful, supercharged gasoline engines.

Thanks to the factory geometry and appropriately selected compression characteristics, the turbocharger supports:

• smooth torque build-up over a wide rev range,
• stable boost pressure during dynamic driving,
• repeatable performance in line with the manufacturer's assumptions.

Technical characteristics and operational advantages

As an OEM BMW component, the turbocharger retains the original rotor, housing, and control system design, resulting in predictable turbocharging behavior. Using a factory component avoids the fitment issues often encountered with aftermarket components.

Key advantages of this solution:

• Original BMW specification – maintaining factory operating parameters of the B58 engine.
• Precise fit with the exhaust manifold and intake system for easy installation.
• Stable operation under high loads – designed for intensive use in M Performance versions.

Used condition – a conscious technical choice

The turbocharger presented here is in used condition, representing a reasonable compromise between cost and maintaining original OEM quality. For many BMW F20/F30/F32/F36 series owners, this is a practical way to restore the performance of their turbocharger system without having to invest in a new component.

Choosing a used OEM component allows you to:

• reduce repair costs while maintaining the factory design,
• reduce the risk of incompatibility compared to non-original substitutes,
• support the idea of reusing parts, which has ecological significance.

BMW – turbochargers and turbocharger parts

If you are looking for other turbochargers and supercharger components dedicated to this brand, check out our turbochargers and parts category for BMW , where you will find a wide selection of OEM and used components.

Eco-tuning and the use of used turbochargers

Using used OEM components, such as the BMW F20 F30 LCI M140i M240i 340i 440i B58 Turbocharger 7643147, is not only cost-effective but also part of a responsible approach to motoring. Reusing functional parts reduces waste and the need to manufacture new components.

If you want to better understand how to combine improved performance with reduced carbon footprint, check out Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts for practical tips on how to choose aftermarket parts wisely.

Summary

BMW F20 F30 LCI M140i M240i 340i 440i B58 Turbocharger 7643147 is a used, original turbocharger from the Turbochargers & Parts category, designed for the powerful B58 engines in the facelifted BMW 1, 2, 3, and 4 Series models. Choosing this component is a technically sound solution for drivers who expect a factory fit, predictable performance, and reasonable repair costs, while supporting the idea of part reuse.