BMW E46 E53 E60 E87 E90 E91 F10 F20 F30 Petrol Ignition Coil Set Bosch 4485298

BMW E46 E53 E60 E87 E90 E91 F10 F20 F30 Petrol Ignition Coil Set Bosch is a set of original ignition system components designed for BMW petrol engines. This set from the Ignition coils category ensures stable spark generation in the cylinders, which translates into smooth engine operation and proper throttle response. It is a solution for users looking for proven components with factory performance characteristics.

Specifications and technical data

• SKU: 4485298-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4485298
• Substitutable numbers: 4485298, Petrol Engine, BG
• Fuel type: Petrol
• Category: Ignition Coils

Purpose and role in the ignition system

The BMW ignition coil set has been designed to work with petrol-powered engines, typical for the E46, E60, and E90 series models. Each coil is responsible for transforming the system voltage into the high voltage necessary to create a spark at the spark plug, which has a direct impact on the combustion process in the cylinder.

Selecting coils with parameters consistent with BMW factory specifications allows for maintaining proper spark energy values, reducing misfires, and minimizing the risk of rough engine idling. Using a complete set instead of worn-out components helps restore the original engine performance and refinement.

Benefits of using the ignition coil set

Replacing coils as a set is particularly beneficial in engines experiencing symptoms such as jerking, power loss, or sporadic ignition errors. Using a uniform set of coils in a BMW allows you to:

• achieve consistent ignition parameters across all cylinders,
• reduce the risk of subsequent failures of individual coils in a short period of time,
• maintain stable engine operation across the entire RPM range,
• preserve performance characteristics in line with the manufacturer's design.

For users who expect predictable vehicle behavior and proper interaction with the engine control electronics, using the BMW ignition coil set is a technically sound solution.

Product characteristics and condition

The offered set belongs to the Ignition coils group and comes from a BMW vehicle, which ensures structural compatibility with factory solutions used in petrol units. The product is in used condition, making it an economical alternative to new parts while maintaining proper functionality in daily operation.

The coil set is suitable for users who want to restore the proper operation of the ignition system without interfering with the original engine architecture. Installation is performed in place of the factory components, maintaining the standard mounting method and connection to the electrical harness.

Selection and application in service practice

When selecting ignition coils for a BMW, it is crucial to match them to the specific type of petrol engine and vehicle generation. The set intended for E46, E60, and E90 models allows for consistent servicing of several cars based on similar design solutions. In workshop practice, this enables:

• effective diagnostics and quick replacement of the entire set of coils in one step,
• reduction of vehicle downtime in the service center,
• maintenance of compatibility with the factory engine control unit.

For BMW owners who use their car intensively, the use of properly selected ignition coils is important for the durability of spark plugs and the stability of combustion parameters over a long period of use.

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 individual coils, complete sets, or additional ignition modules, check the available parts in the BMW Ignition coils category.

Additional information and further reading

For drivers interested in the differences between standard components and performance-oriented solutions in the BMW range, a broader look at the design of the drivetrain, suspension, and associated elements may be useful. In the context of planning upgrades or conscious part replacement, it is worth reading the material describing the specifics of M and M Performance series components – more information can be found in the article BMW M Performance: how do BMW M components differ from standard ones?.