BMW 3 Series E90 E91 E92 E93 LCI Petrol N53 Intake Silencer 7579119

The BMW 3 Series E90/E91/E92/E93 LCI intake silencer with the N53 petrol engine is an original element of the intake system, designed specifically for the facelift versions of the 3 Series. The used OEM part ensures proper air flow to the engine, stable operation of the drive unit and maintaining the factory acoustic characteristics.

Specifications and technical data

• SKU: 7579119-1
• Mark: BMW
• Condition: Used
• OEM Part Number: 7579119
• Substitutable numbers: 13717579119, 7579119, PK
• Fuel type: Petrol

Purpose and function in the intake system

The intake muffler for the N53 engine is responsible for shaping airflow and reducing unwanted resonances in the intake manifold. Thanks to the tailored geometry of the housing and channels:

• stabilizes the air flow drawn in by the petrol engine,
• reduces suction noise, improving acoustic comfort in the interior,
• supports the smooth operation of the drive unit across the full speed range.

The original design is tuned to the engine control unit maps, which helps maintain factory operating parameters and predictable throttle response.

Compatibility with BMW 3 Series LCI

This item was designed for the BMW 3 Series models of the E90, E91, E92, and E93 generations after facelift, equipped with the N53 petrol engine . Using the correct intake muffler for this engine:

• facilitates plug-and-play installation without modifications,
• ensures correct fit with the stock air filter housing and manifold,
• minimizes the risk of leaks in the intake system.

For users looking for a part that meets factory specifications, a used OEM component is a sound technical and economic choice.

Condition, origin and operating parameters

The offered intake muffler is a genuine, used BMW part . It comes from a limited-mileage model, which helps maintain the correct geometry and housing rigidity. Component used:

• retains factory mounting points and air duct shape,
• allows for trouble-free transfer of equipment and clamps from the existing installation,
• is suitable as a replacement for a worn or damaged muffler in a daily used car.

The proper condition of the intake element is important for the stable operation of a petrol engine, especially at idle and partial load.

Benefits of using the original intake muffler

Replacing a leaky or damaged intake muffler with a working OEM part brings a number of practical benefits:

• Better engine performance – reduced false air and unwanted resonances.
• Consistency with factory design – maintaining stock acoustic characteristics and gas response.
• Trouble-free installation – fits standard brackets and cables in the engine compartment of the BMW 3 Series LCI.
• Reasonable maintenance cost – used OEM part as an alternative to a new component while maintaining correct functionality.

For owners of cars with the N53 engine, this is a practical solution for repairs to the intake system, especially when symptoms such as uneven idling or increased noise of the intake air appear.

Operation, diagnostics and preparation for the season

The intake system in gasoline-powered cars has a significant impact on the engine's durability and driving comfort. During periodic inspections, it's worth paying attention to:

• condition of the intake muffler housing (cracks, deformations, traces of interference),
• tightness of connections to the air filter and intake manifold,
• stability of fasteners and clamps.

When planning a more extensive service before the cold weather period , a practical guide on used parts that are worth checking before winter can be helpful, including checklists and tips on selecting components.