BMW E60 E63 E90 E91 330i 530i 630i N52N Bare Engine N52B30A 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.

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

BMW E60 E63 E90 E91 330i 530i 630i N52N Bare Engine N52B30A New Timing WARRANTY is a used, complete bare engine block prepared for demanding 3 and 5 Series users. This is a solution for those who want to carry out a technically correct engine replacement, using the original BMW design while gaining a refreshed timing system. As a result, the block provides a solid foundation for further accessory installation and professional repair.

Specifications and technical data

• SKU: 0421180-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0421180
• Substitutable numbers: 11000421180, 0421180, 11000421181, 11000421183, 11000421184, 0421181, 00421183, 0421184, 11000429723, 0429723, 11000429724, 0429724
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: A

Purpose and model compatibility

The offered bare engine block is intended for BMW 3 Series E90 / E91 / E92 330i and BMW 5 Series E60 530i vehicles equipped with the N52 family six-cylinder petrol engine. The engine design was developed for dynamic driving, smooth power delivery, and the refinement typical of a BMW straight-six.

In this configuration, the engine is suitable both as a base for replacing a damaged unit and for a comprehensive powertrain rebuild in cars that are heavily used or being prepared for long-term driving.

Technical construction and performance characteristics

The bare engine block includes the main block with the cylinder assembly and cylinder head, forming the foundation of the entire powertrain. The inline architecture with six petrol cylinders ensures high refinement, smooth power development, and the characteristic BMW sound. This type of design works well with both manual and automatic transmissions, maintaining stable operating parameters across a wide rev range.

A significant advantage of the offered block is the new timing system, which significantly reduces the risk of typical failures associated with worn components in this system. For the user, this means less maintenance burden after installation and a greater safety margin for future operation.

Application in repairs and upgrades

This engine block is suitable for several service scenarios:

• as a replacement for units with serious mechanical damage (seizure, block cracks, compression issues),
• as a base for powertrain rebuilding in fleet or heavily used vehicles,
• in projects restoring full technical efficiency to E60 and E9x models, where compliance with the factory design is crucial.

By maintaining the original BMW architecture, installing the block in place of the factory unit is mechanically predictable and allows for the use of existing accessories, wiring, and cooling systems, according to the specific car's configuration.

Benefits of choosing a used block with a new timing system

Choosing a used bare engine block with a refreshed timing system is a solution that combines cost control with increased reliability. The new timing system limits the need for immediate intervention in this area after installation, which in practice translates into:

• reduced risk of failure associated with a stretched chain or worn tensioners,
• more stable engine operating parameters in the long term,
• better conditions for further diagnostics – the mechanic can focus on accessories and calibration rather than basic engine mechanics.

For owners of BMW 3 and 5 Series with the N52N / N52B30A petrol engine, this is a way to perform a technically correct repair without the need to invest in a completely new engine.

BMW engines – additional components and project development

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional blocks, short blocks, or complete powertrains, check out the available parts in the BMW Engines category.

When planning an engine replacement in E90 or E60 models, it is also worth learning about the typical problems of these designs – practical tips on what to look for when buying and installing can be found in the article Troublesome BMW E90 engines: check what can ruin your budget!.

If you treat your BMW as a youngtimer and want to consciously use used components to refresh it, the guide The second life of a youngtimer – how used car parts rejuvenate cars from 1998–2012, which describes practical upgrade scenarios based on aftermarket parts, may be helpful.