BMW F10 F20 F21 F30 F31 LCI 120d 320d 520d Bare Engine B47 B47D20A 49k, 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.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

BMW F10 F20 F21 F30 F31 LCI 120d 320d 520d Bare Engine B47 B47D20A 49k, WARRANTY is an original BMW powertrain unit, designed for modern diesel models. The four-cylinder diesel from the B47 family provides efficient, flexible acceleration and good fuel economy, while the use of a factory OEM solution guarantees a proper fit for the drivetrain. This is an offer for users looking for a technically compatible engine for replacement or professional repair.

Specifications and technical data

• SKU: 2361993
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2361993
• Substitutable numbers: 11002361993, 2361993, 11002455622, 2455622, 2448625, 11002448625, 2473063, 11002473063, 11002473073, 2473073, 11002455623, 2455623
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the B47 engine

The presented engine belongs to the B47 family, used in BMW 1, 3, 4, and 5 series models with 120d, 320d, 420d, and 520d designations after the LCI facelift. The compression-ignition diesel unit was designed as a compact, four-cylinder diesel that combines smooth operation with favorable fuel consumption parameters. The cylinder layout promotes even load distribution, which translates into stable operation across the full rev range.

The B47 family engine is a more modern construction compared to the earlier N47 units, which in practice means a more refined block and cylinder head architecture, as well as optimized auxiliary components. As a result, the unit works well with both manual and automatic transmissions, ensuring predictable throttle response and adequate dynamics in daily use.

Application in BMW models

The B47 engine in this configuration is intended for BMW F-series vehicles, in particular:

• BMW 1 Series F20 / F21 in 120d versions after the LCI facelift,
• BMW 3 Series F30 / F31 in 320d variants,
• BMW 4 Series F32 in 420d versions,
• BMW 5 Series F10 / F11 in 520d configurations.

Thanks to this, the unit will serve as a base for a professional engine replacement in cars used both in city traffic and on longer routes. Using an original B47 diesel allows for maintaining the factory drivetrain characteristics, which is essential for the proper operation of electronic systems and driver assistance features.

Operational parameters and condition

The engine belongs to the Engines category and is offered as a used item, which in practice means it has already been in service in a vehicle but can still be effectively used as a replacement in another car. The four-cylinder diesel unit provides a favorable compromise between weight, smooth operation, and performance, which is particularly important in mid-size and upper-mid-size cars.

The engine mileage is limited, which is important information for those planning longer vehicle use after the engine replacement. In practice, this means a potentially greater remaining service life compared to units with significantly higher mileage, which may translate into more predictable maintenance costs in the coming years.

Benefits of using the B47 unit

Choosing this powertrain unit brings a number of practical advantages:

• preservation of factory drivetrain characteristics in BMW F10, F11, F20, F21, F30, F31, and F32 LCI models,
• compact, four-cylinder design facilitating efficient installation in the engine bay,
• more modern architecture compared to older units, which facilitates integration with vehicle electronics,
• possibility of use as a component in professional repair or drivetrain modernization.

For workshops specializing in the BMW brand and for conscious users who want to restore the full performance of their car, using an original B47 diesel is a technically consistent and predictable solution in terms of further operation.

BMW engines – selection and technical knowledge

When selecting a powertrain unit for a specific BMW model, it is crucial to pay attention to the compatibility of the vehicle generation, power version, and auxiliary equipment. In the case of the B47 family, it is important to match it to the specific 120d, 320d, 420d, or 520d configuration to ensure proper cooperation with the electrical system, fuel injection system, and engine control unit. If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other components from the same group, such as blocks, heads, or complete long blocks, check the available parts in the BMW Engines category.

If you want to better understand the specifics of BMW powertrains and approach the topic of engine replacement consciously, it is worth familiarizing yourself with practical examples of problematic constructions. A good starting point would be an article describing typical problems with units in the E90 series – you can find it here: Troublesome BMW E90 engines – a practical guide to problematic units.