BMW X3 E83 LCI 2.5si 3.0si N52N Fuel Filter Pressure Regulator Petrol 7186454

BMW X3 E83 LCI 2.5si 3.0si N52N Fuel Filter Pressure Regulator is an original petrol supply system component, responsible for precise fuel filtration and pressure stabilization in N52N engines. Thanks to the factory BMW design, this part ensures consistent engine performance parameters and helps maintain proper engine operation. This solution is intended for users who expect compatibility with the factory system and predictable vehicle behavior.

Specifications and technical data

• SKU: 7186454
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7186454
• Substitutable numbers: 7186454, 16147186454
• Fuel type: Petrol
• Category: Air Intake & Fuel Sensors

Function in the petrol supply system

The fuel filter integrated with the pressure regulator in the BMW X3 E83 LCI model with the N52N engine is responsible for two key tasks: cleaning petrol of impurities and maintaining stable fuel pressure in the fuel rail. A properly functioning component of this type:

• reduces the risk of impurities entering the injectors,
• supports smooth operation of all cylinders,
• helps maintain correct combustion parameters,
• reduces the risk of power drops resulting from unstable fuel pressure.

As a result, the petrol supply system operates under conditions close to factory specifications, which translates into predictable throttle response and stable engine operation across the entire rev range.

Compatibility with the N52N unit

The presented fuel filter with regulator has been designed specifically for the petrol versions of the BMW X3 E83 LCI 2.5si and 3.0si with the N52N engine. This means that the connection geometry, mounting method, and pressure regulation characteristics are adapted to the requirements of this power unit. Using a dedicated component:

• facilitates installation without the need for modifications to the fuel system,
• ensures compliance with factory engine control unit parameters,
• minimizes the risk of starting and idling issues.

For the user, this means the ability to maintain the original engine operating characteristics while using a proven component from the Air and fuel intake sensors group.

Component characteristics and condition

The offered fuel filter with pressure regulator is a part from the BMW range, belonging to the petrol supply system group. The product is in used condition, which in practice means the possibility of an economical replacement while maintaining the original design and fitment to the vehicle's installation. This type of solution is particularly attractive for maintenance repairs where the priority is to maintain the factory configuration at reasonable service costs.

By using an original component, the user gains confidence that the filter and regulator performance parameters are consistent with the vehicle manufacturer's specifications, and the element itself works correctly with other fuel system components.

Why choose an original BMW component

Choosing an original fuel filter with pressure regulator for the BMW X3 E83 LCI with the N52N engine is a solution that allows you to maintain the consistency of the entire supply system. Compared to replacements, the factory component offers:

• secure fitment to fuel lines and body mounts,
• pressure regulation characteristics consistent with engine control unit maps,
• preservation of the original petrol system operating logic.

This is particularly important in modern petrol units, where the precision of fuel dosing has a direct impact on engine refinement, fuel consumption, and the durability of other fuel injection system components.

System expansion and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional fuel pressure sensors, intake air temperature sensors, or mass airflow measurement elements, check the available parts in the BMW Air and fuel intake sensors category.

When selecting used supply system and control electronics components, it is worth considering not only the price but also the origin of the part and its compatibility with the specific engine version. Practical tips on choosing used electronic components, such as engine control units, comfort modules, or parking sensors, can be found in the article A second life for electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?.