BMW E39 E46 E53 M52 M54 M62 Petrol Engine Ignition Coil 1703228

BMW E39 E46 E53 M52 M54 M62 Gasoline Engine Ignition Coil is an original ignition system component from the Ignition Coils group, designed for BMW gasoline engines. The used OEM part ensures a proper fit for M-series power units, maintaining factory operating parameters and a stable ignition spark.

Specifications and technical data

• SKU: 1703228
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1703228
• Substitutable numbers: 12131703228, 1703228, BG
• Fuel type: Petrol
• Category: Ignition Coils

Application and Compatibility

The presented ignition coil has been designed to work with BMW gasoline engines from the M52, M54, and M62 families, used in models such as E39, E46, and E53. Thanks to its OEM construction, this component works with the factory engine control unit, ensuring correct ignition control across the entire RPM range.

The ignition system in BMW gasoline engines is sensitive to the quality of the components used, which is why using an original coil helps maintain stable engine operation, reduce misfires, and improve running smoothness at idle and under load.

Construction and Role in the Ignition System

In this solution, the ignition coil acts as a high-efficiency transformer, converting the voltage from the onboard electrical system into the high voltage necessary for the spark to jump at the spark plug. Appropriately selected windings and electrical insulation are crucial for resistance to breakdowns and stable operation at the high temperatures of the engine compartment.

In BMW gasoline engines with electronically controlled ignition, each coil works directly with the control unit, which is why maintaining the original electrical characteristics is important for correct fuel delivery, exhaust emissions, and throttle response.

Benefits of Using an Original BMW Coil

• Factory fit for BMW M-series gasoline engines, with no installation modifications required.
• Consistent operating characteristics with the stock engine control unit, promoting stable ignition.
• Reduced risk of misfires, hesitation during acceleration, and problems starting a warm or cold engine.
• Possibility to restore proper engine operation after the failure of one of the coils in the system.

Part Condition and Service Application

The offered coil is a used part from disassembly, allowing for economical repair while maintaining original BMW specifications. This type of component is often chosen in situations where a quick replacement of a damaged coil is necessary while maintaining the factory manufacturing standard.

In workshop practice, replacing an ignition coil is one of the basic service actions for symptoms such as uneven engine operation, power loss, or ignition errors recorded in the control unit. Using an original component from the same design group helps reduce diagnostic time and limit the number of returns to the service center.

Ignition System Expansion and Service Knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional coils, ignition control modules, or mounting elements, check the available parts in the BMW Ignition Coils category.

To better plan service work and understand how the availability of used OEM parts affects vehicle downtime in the workshop, it is worth reading the article on the impact of used OEM parts availability on repair time and service costs, which discusses the practical aspects of selecting components such as ignition coils in the daily work of a mechanic.