BMW G20 320i G22 420i G30 520i Bare Engine B48B20A B48C New Timing WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

BMW G20 320i G22 420i G30 520i Bare Engine B48B20A B48C New Timing WARRANTY is a complete base for professional repair or engine unit conversion in modern BMW 3, 4, and 5 series models. We offer a bare engine block, ideal for further assembly with accessories compliant with the specific vehicle version requirements. Thanks to the installation of a new timing system, it provides a solid foundation for a durable and precise powertrain rebuild.

Specifications and technical data

• SKU: 5A078C2-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A078C2
• Substitutable numbers: 5A078C2, 11005A078C2, 2470900, 11002470900, 5A078C1, 11005A078C1
• Fuel type: Petrol
• Number of cylinders: 4
• Part type: Engine Long Block
• Category: Engines
• Engine code: B48B20A B48C
• Mileage: 35 000

Purpose and compatibility with BMW models

The presented engine block has been designed for modern BMW constructions from the B48 engine family, used in models such as the 3 Series G20 320i, 4 Series G22 420i, and 5 Series G30 520i. This type of four-cylinder petrol engine is widely used in current BMW platforms, making it an attractive solution for both post-accident repairs and replacing worn-out units in vehicles used intensively.

The bare block allows for the transfer of accessories from the previous engine, maintaining the factory vehicle equipment configuration. This is a practical solution for workshops specializing in the BMW brand that want to maintain full control over the selection of accessories and control software.

Technical characteristics of the B48 unit

The engine belongs to the modern family of BMW petrol units, which incorporates advanced design solutions to improve refinement and efficiency. The four-cylinder layout provides a favorable compromise between performance and fuel consumption, while the compact design facilitates installation in the engine bays of contemporary BMW models.

The engine code B48B20A B48C identifies the specific design variant, which is crucial when selecting the ECU, accessories, and software. This allows for precise matching of the unit to the requirements of a specific model and year, while maintaining compliance with the manufacturer's factory standards.

New timing system and assembly advantages

A key advantage of the offered block is the new timing system, which significantly reduces the risk of typical failures associated with the wear of timing drive components in petrol units. For the user, this means greater peace of mind during operation, and for the workshop – fewer potential claims after installation.

The bare block is particularly beneficial in situations where the previous engine has suffered mechanical damage, but some accessories (e.g., fuel system, turbocharging, manifolds) are still suitable for reuse. This allows for optimizing repair costs while maintaining a high level of reliability after the unit replacement.

Condition, mileage, and application in service practice

The unit comes from the Engines category and is intended for further professional assembly in BMW vehicles. Low mileage combined with a new timing system makes the block particularly attractive for workshops that want to offer the customer a solution with a long service life.

This type of four-cylinder petrol engine performs well in both daily city driving and on the highway, ensuring smooth operation and adequate power reserves. For services specializing in the BMW brand, it is a convenient base for carrying out complex repairs, engine swaps, and vehicle upgrades based on the manufacturer's original design solutions.

Technical support and additional materials

If you are planning a complex repair or upgrade of the engine area in your BMW and need other components from the same group, such as blocks, cylinder heads, or complete engine units, check the available parts in the BMW Engines category.

For users interested in the durability of BMW engine units and typical operational problems, the following guide article may be useful: Troublesome BMW E90 engines – check what can ruin your budget. It allows for a better understanding of how choosing the right unit and proper service maintenance affect the long-term costs of maintaining a car.

If you often encounter limited availability of components at authorized service centers in your daily workshop work, it is worth reading the material: how to use dismantled parts when repairing older models, which shows a practical approach to optimizing repair costs while maintaining an appropriate level of quality.