BMW F20 F21 F22 LCI F33 Ignition Coil Pack Set x6 M135i M235i 435i 7594596

BMW F20 F21 F22 LCI F33 Ignition Coil Pack Set x6 M135iX M235iX 435i is a set of original ignition system components designed for BMW F-series petrol engines. The set of six ignition coils allows for a consistent, technically correct replacement of the entire ignition path, which promotes stable engine operation and reduces the risk of engine misfiring. This solution is particularly beneficial for servicing vehicles used intensively, where predictability and repeatability of parameters are essential.

Specifications and technical data

• SKU: 7594596-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7594596
• Substitutable numbers: 12138616153, 8616153, 12137594596, 12137562744, 12131712219, 12137594937, 12137594938, 12130390064, 12137575010, 12137571643, 12130148594, 12137551049, 7594596, 7562744, 1712219, 7594937, 7594938, 0390064, 7575010, 7571643, 0148594, 7551049
• Fuel type: Petrol
• Part type: Ignition Coil
• Category: Ignition Coils

Purpose and compatibility

The presented ignition coil set is dedicated to selected BMW F-series models, such as the F20, F21, F22, F30, F31 LCI, and F33 with petrol engines. Using a set from the same production series promotes an even ignition process across all cylinders, which translates into stable idle, proper throttle response, and reduced engine vibration.

The coils come from the Ignition Coils group by BMW, which means maintaining factory performance characteristics and proper geometric fitment to the cylinder head and electrical harness. As a result, installation is straightforward, with no need for wiring modifications.

Technical characteristics and role in the ignition system

Each coil in the set is responsible for converting voltage from the vehicle's electrical system into the high voltage required to generate a spark at the spark plug. In BMW F-series petrol engines, the use of individual coils per cylinder allows for precise control of the ignition timing, which is important for both performance and exhaust emissions.

The set of six components allows for the simultaneous replacement of all coils, which is especially recommended when symptoms appear such as:

• sporadic misfiring under load,
• rough idle,
• loss of power during acceleration,
• engine check light related to the ignition system.

Replacing the entire set reduces the risk of a situation where, after fixing one faulty coil, another one fails shortly after, which is typical for wear-and-tear components with similar mileage.

Condition, origin, and benefits of using the set

The offered BMW ignition coil set is a used item, which allows for an economical restoration of the ignition system's efficiency while maintaining the manufacturer's original specifications. For many users, this represents a reasonable compromise between cost and maintaining factory engine performance parameters.

Using a complete set of coils in one vehicle ensures:

• consistent electrical parameters across all cylinders,
• reduced risk of random ignition misfires,
• easier diagnostics in the future (no mix of different coil types),
• maintenance of performance characteristics in accordance with BMW's design for petrol engines.

Importance for petrol engine operation

In petrol-powered units, a stable ignition spark is crucial for proper fuel mixture combustion. The set of six coils dedicated to specific BMW F-series models allows for maintaining the correct ignition timing and spark energy repeatability across a wide range of loads. This impacts engine refinement, fuel consumption, and the protection of associated components, such as the catalytic converter or lambda sensor.

For users who use their car intensively (city driving, frequent starts, variable loads), replacing the entire set of coils is a solution that promotes long-term engine stability and reduces unplanned service downtime.

Related components and further 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 harnesses, or mounting hardware, check the available parts in the BMW Ignition Coils category.

To compare solutions used in other brands and better understand the impact of engine accessories on engine durability, it is worth reading an article describing the servicing of popular Mercedes engines – you can find it here: Reliability under the star sign – how to take care of engine accessories in Mercedes-Benz C-Class and E-Class.