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Why Do You Need BMW N54 Main Bearings?

Why Do You Need BMW N54 Main Bearings?

15th Nov 2022

If you are an automobile enthusiast, you likely know that many cars were going in for service to replace their timing chains and get new crankshafts because of the N54 engine. The BMW N54 Main Bearing is a piston/cylinder liner. It is responsible for housing the "N" piston, which seals off the combustion chamber when it goes down during compression. These bearings are manufactured by BMW and can be installed in various automobiles.

About the N54 main bearing

N54 engine main bearings are found in many BMW models. They are designed to provide a smoother ride and increased engine performance. Many people who own BMWs with an N54 engine choose to upgrade their bearings to improve their vehicle's overall performance. Several companies make aftermarket N54 engine bearings, so it is essential to do your research before purchasing any product.

Why do you need N54 main bearings?

If you want to protect your engine and extend its life, then you need N54 engine main bearings. These bearings act as a buffer between the moving parts of your engine, absorbing any shock or vibration that could damage the engine components. N54 Main Bearings are designed to withstand the high temperatures and pressures of performance driving, making them an essential upgrade for any tuner or racer.

Types of Engine Main Bearings

There are three main types of engine bearings:

1. Plain bearings

2. Roller bearings

3. Ball bearings

Plain bearings are the simplest type of engine bearing, and they work by having a smooth surface that the moving parts of the engine can slide against. Plain bearings are typically made from bronze or brass and can either be lubricated with oil or grease.

Roller bearings are more complex than plain bearings, and they work by having a series of small rollers that rotate between two surfaces. Roller bearings can handle higher loads than plain bearings and tend to last longer. However, they require more maintenance than plain bearings and are more expensive.

Ball bearings are the most complex type of engine bearing, and they work by having a series of small balls that rotate between two surfaces. Ball bearings can handle the highest loads of all three types of engine bearing, but they also require the most maintenance and are the most expensive.

Cost of Main Bearing

The average engine bearing cost can range depending on the make and model of your vehicle, the specific type of engine bearing needed, and where you have it installed, the costs will vary.

If you have difficulty finding a specific engine bearing for your car, you will likely need to purchase a custom-made one. This can increase the cost, so be sure to factor that in when budgeting for your repair.

As with any automotive repair, it is always best to get a few quotes from different mechanics or auto shops before making a final decision. This way, you can be sure you are getting the best price for the repair.


If you're looking for a reliable and durable engine, then the BMW N54 Main Bearing is a great option. However, one of the essential parts of this engine is the bearings. With proper bearings, your engine will function properly and may eventually fail. That's why you must ensure that you replace your N54 engine bearings when they wear down. Thankfully, our team, Sneed4Speed, can help you find suitable bearings for your specific engine. Contact us today to learn more!