BMW E60 E81 E82 E87 LCI E88 E90 E91 E92 E93 Fuel Injector Petrol N43 4548853

BMW E60 E81 E82 E87 LCI E88 E90 E91 E92 E93 Petrol Injector N43 4548853 is an original petrol injector nozzle designed for N43 engines in a wide range of BMW 1, 3, and 5 Series models. This part comes from a dismantled vehicle, allowing for an economical yet technically sound repair of the petrol fuel system.

Specifications and technical data

• SKU: 4548853-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4548853
• Substitutable numbers: 13537589048, 7589048, 13534548853, 4548853, 13537625713, 7625713, 13537565137, 13537584681, 7565137, 7584681
• Fuel type: Petrol
• Category: Fuel Injectors

Application in N43 Engine and Compatibility

The presented injector nozzle has been designed to work with the N43 unit powered by petrol fuel. The OEM design ensures proper spray patterns, correct operating pressure, and seamless integration with the factory BMW engine control unit.

This injector is intended for installation in popular BMW models of the E60, E81, E82, E87 LCI, E88, E90, E91, E92, and E93 series equipped with the N43 engine, ensuring fuel system consistency and compliance with factory injection maps.

Technical Characteristics of the Injector Nozzle

As a component from the Injector Nozzles category, this product is responsible for precise petrol dosing into the combustion chamber. The appropriately selected fuel spray characteristics contribute to:

• stable engine operation across the entire RPM range, both at idle and under load,
• proper mixture combustion, reducing the risk of knocking and uneven engine running,
• maintaining factory performance and the smooth operation typical of BMW N43 engines.

The petrol injector works in conjunction with the engine control system, sensors, and fuel rail. Therefore, using an OEM part is crucial for maintaining correct fuel dose correction and ECU adaptation.

Benefits of Using an Original BMW Injector Nozzle

Choosing an original BMW injector for the N43 engine helps avoid problems typical of aftermarket replacements with uncertain characteristics. The main advantages include:

• factory fitment to the cylinder head port and fuel rail,
• electrical compatibility with the wiring harness and engine control unit,
• repeatable operating parameters, facilitating diagnostics and service adaptation.

This ensures predictable restoration of the injection system's functionality and minimizes the risk of additional faults arising from incorrect fuel delivery.

Component Condition and Installation Recommendations

This injector is a used part from a dismantled vehicle, intended for users and workshops that consciously choose used OEM components as a compromise between cost and quality. Before installation, it is recommended to:

• check for leaks on a diagnostic bench,
• verify the atomizer's operation for uniform spray pattern,
• use new seals according to the BMW service procedure.

A correctly installed petrol injector nozzle ensures stable operation of the N43 engine and reduces the risk of unburnt fuel entering the exhaust system.

Diagnostics and Knowledge of the Injection System

Problems with injectors – both petrol and diesel – often present similar symptoms: uneven running, power loss, increased fuel consumption, or stored error codes in the ECU. It is beneficial to expand knowledge on typical faults by consulting expert materials. For example, an article describing diesel injector faults, their symptoms, and the consequences of neglect helps to better understand the importance of a functional injection system, also in petrol engines.

Other BMW Injector Nozzles

If you are also looking for other components from the BMW injector nozzles category for your car, check out the BMW injector nozzles available in our store to select the appropriate set for your specific engine and model.