FAQ – BMW E90 / E91 M47N2 Air Intake

What is the purpose of the air intake duct?

The air intake duct delivers filtered air to the engine. A perfectly sealed intake is essential for ensuring optimal combustion, good engine performance, and efficient fuel consumption.

What are the symptoms of a faulty air intake?

A cracked or punctured air intake can cause:

• a loss of power; ;
• less abrupt acceleration; ;
• higher fuel consumption; ;
• an engine warning light is on; ;
• problems related to airflow; ;
• a whistling sound or air leak coming from the engine.

Why replace only the intake manifold?

In most cases, only the intake pipe is damaged. Replacing it restores a perfect seal without having to replace the entire intake system, which is a more cost-effective solution.

Is this air intake the same as the original part?

Yes. It matches the dimensions, connections, and mounting points of the original part to ensure easy installation without any modifications to the vehicle.

Is it complicated to put together?

No. Replacing it is relatively simple and usually requires only basic tools.

All you have to do is:

1. remove the old duct; ;
2. install the new one; ;
3. Check that the clamps are tightened properly.

Do I need to reprogram the system after the replacement?

No. No coding or reprogramming is required after installing the intake manifold.

With which vehicles is this product compatible?

This air intake is compatible with several BMW models equipped with a diesel engine M47, including:

• BMW 3 Series E90; ;
• BMW 3 Series E91.

We recommend that you check the part number of your original part or compare the photos before placing your order.

How can I check compatibility with my vehicle?

You can compare your current exhaust pipe with the product photos or provide us with your VIN (vehicle identification number). Our team will check for compatibility free of charge before you make your purchase.

What materials are used?

The duct is made of materials that are resistant to high temperatures, engine vibrations, oil splashes, and aging to ensure excellent durability.

Can an intake leak cause the check engine light to come on?

Yes. An air leak downstream of the flow meter can interfere with intake air measurements and cause the check engine light to come on, as well as trigger fault codes.

Is it recommended to replace the clamps during installation?

If the original clamps are worn, deformed, or corroded, it is recommended that you replace them to ensure a perfect seal.

What are the benefits of this air intake?

• Direct replacement for the original part.
• Installation without modification.
• Excellent water resistance.
• Resistance to heat and vibration.
• Quick installation.
• Good value for the money.

How long does the replacement take?

On average, the replacement takes 5 to 10 minutes, depending on your experience and how accessible the engine is.

What should I do if I have any questions before placing an order?

Our team is here to help you check, free of charge, whether this air intake is compatible with your BMW. All you need to do is provide us with your license plate number or VIN.