BMW X5 E53 E60 E61 3.0d 530d M57N Turbo Charger Garrett 742730-5018S

BMW X5 E53 E60 E61 3.0D 530D M57N The Garrett 742730-5018S Turbocharger is a used turbocharger from the Turbochargers & Parts category, designed for popular BMW models with the M57N diesel engine. It's a solution for users who want a proven, original component with stable operating parameters, without having to invest in a new part.

Specifications and technical data

• SKU: 7790308
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7790308
• Substitutable numbers: 11657790308 7790308, 742730-5018S
• Category: Turbos & Parts

Purpose and characteristics of the turbocharger

The turbocharger offered is a component of the supercharging system used in BMW's M57N engine family, including the X5 E53 and the 5 Series E60 and E61 in 3.0D/530D versions. Based on Garrett technology, the design ensures stable boost, resulting in good dynamics, engine flexibility, and efficient use of torque across a wide RPM range.

As part of the Turbochargers and Parts group, this component is designed to work with BMW's factory equipment, simplifying installation and reducing the risk of fitment issues. A used OEM turbocharger is a solution that allows the engine to maintain its operating characteristics as intended by the manufacturer.

Construction and operating properties

The Garrett turbocharger used in the M57N engine utilizes a proven design with separate hot and cold sides, enabling efficient use of exhaust gas energy to compress intake air. This allows the engine to achieve:

• better response to gas compared to naturally aspirated units,
• higher combustion efficiency with appropriately selected boost pressure,
• stable performance in typical road load ranges.

The original BMW/Garrett turbocharger is designed for long-term operation under high temperatures and loads typical of diesel engines, which is important for intensive use in cars such as the X5 or 5 Series.

Benefits of choosing a used OEM turbocharger

Choosing a used OEM turbocharger for BMW is a compromise between cost and maintaining factory performance. Compared to cheaper, lower-quality alternatives, the original component provides:

• factory fit to the intake and exhaust system of a given engine,
• compatibility with factory engine management (boost maps, protection strategies),
• consistency with other components of the drive system, which reduces the risk of incorrect operation of the unit.

If you're considering using aftermarket parts more extensively in your BMW, it's worth checking out our guide: Used BMW Parts – Are They Worth It? Key Benefits for BMW Fans , which discusses the practical aspects of selecting and using used components.

Practical application and assembly

The turbocharger for the BMW X5 E53 and 5 Series E60/E61 with the 3.0D/530D M57N engine is structurally prepared for installation in place of the factory element, which in practice means:

• maintaining the original mounting geometry in relation to the exhaust manifold and intake pipes,
• compatibility with factory mounts and engine accessories,
• the ability to use standard BMW service procedures when replacing.

Before installing any used turbocharger, standard service activities are recommended, such as checking the lubrication system, oil and intake lines, and intake system tightness, to ensure proper operating conditions after installation.

Brand, category and selection of other BMW turbochargers

For users looking for alternative solutions within the same parts group, a good place to start is to compare other items in the BMW turbocharger category. If you need other turbochargers for BMW, check out our BMW turbocharger category, where you'll find various variants tailored to other models and engine versions.

Summary

The BMW X5 E53 E60 E61 3.0D 530D M57N Garrett 742730-5018S Turbocharger is a used, original equipment turbocharger from the Turbochargers & Parts segment, designed for popular BMW diesel engines. It maintains factory boost characteristics, is consistent with the engine management system, and can be installed in place of the factory component without affecting the vehicle's design. It's a sensible choice for drivers who want to maintain good engine performance and refinement while using an OEM aftermarket component.