BMW E90 E91 E92 E93 Bare Engine 335i N54 N54B30A 306HP with 72k miles WARRANTY

BMW E90 E91 E92 E93 335i Engine N54 N54B30A 306 HP is a six-cylinder gasoline unit from the N54 family, designed for the 3 Series BMW E9x generation models. It is a highly regarded, powerful engine with direct injection, often chosen for both routine repairs and upgrade projects where high operating culture and potential for further modifications are important. By maintaining its factory specifications, it provides a solid foundation for restoring the full functionality of the drivetrain.

Specifications and technical data

• SKU: P0415043
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0415043
• Substitutable numbers: 11000415043, 0415043, 11000415044, 0415044, 63129807481, 9807481
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 59 000

Technical Characteristics of the N54B30A 306 HP Engine

The presented engine belongs to the Engines category and is intended for BMW 3 Series vehicles of the E90, E91, E92, and E93 generation in the 335i version. The unit runs on gasoline and features a six-cylinder inline configuration, which translates to smooth, predictable power delivery characteristics and good operating culture. The N54B30A designation is widely recognized in the service and tuning communities, facilitating the selection of accessories and planning of potential modifications.

The engine offers 306 HP in its factory configuration, ensuring dynamic acceleration and ample torque across the entire RPM range. Thanks to its modern design and the use of solutions known from high-performance units, the N54 responds well to precise tuning and appropriately selected accompanying components.

Purpose and Compatibility in BMW 3 Series

The unit was designed for installation in BMW E90, E91, E92, and E93 models in the 335i version, meaning it is a dedicated engine for a specific body and drivetrain configuration. This allows for maintaining factory mounting geometry, compatibility with the wiring harness, and seamless integration with the vehicle's original control units. The presence of the OEM part number and available replacement numbers (visible in the technical specifications) simplifies compatibility verification by VIN or engine number in professional catalogs.

The six-cylinder inline gasoline engine is particularly valued by users seeking a combination of performance and driving comfort. In the case of the 3 Series E9x, installing this unit allows for restoring factory acceleration and flexibility parameters while retaining BMW's characteristic handling and throttle response.

Condition, Mileage, and Application in Repairs

The offered engine is used, which significantly reduces repair costs compared to purchasing a new unit or undertaking a full rebuild. The declared mileage is visible in the technical specifications section and serves as an important reference point for planning further operation. This type of engine is suitable both as a replacement in case of a major failure of the existing unit and as a base for projects where a favorable price-to-performance ratio is key.

In practice, installing a used N54B30A engine is often chosen by workshops specializing in the BMW brand, as it reduces vehicle downtime and labor costs associated with a comprehensive overhaul of the old unit. Additionally, the wide availability of service documentation and the experience of independent service centers facilitate correct installation and configuration.

Benefits of Choosing a Used BMW N54 Engine

By opting for a used BMW N54 gasoline engine, you gain the ability to restore full drivetrain functionality while staying within a reasonable budget. Key advantages of this solution include:

• lower cost compared to a new unit or a full rebuild of an old engine,
• retention of original operating characteristics and performance specific to the 335i version,
• good availability of service and maintenance parts on the aftermarket,
• potential for further modifications and tuning in specialized workshops.

If you want to better understand how to safely choose used powertrains and what verification procedures to apply, it's worth reading the expert guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which discusses, among other things, selection by VIN and OEM numbers, and cost-to-repair ratios.

BMW Engines – Selecting the Right Unit

When planning a powertrain replacement in the 3 Series E9x, it is crucial to match the engine to the specific body version and equipment. Verification of compatibility by VIN and part number helps avoid problems with installation and vehicle startup after repair. If in doubt, it is advisable to consult a workshop specializing in the BMW brand or the technical department of the store, which will help select the appropriate engine variant from the N54 family.

If you are looking for other BMW engines for various models of this brand, check the available units in the BMW Engines category, where you will find a wide selection of original dismantled units, suitable for many generations and equipment versions.