BMW 1 3 5 Series E81 E87N LCI E90 E91 E92 F10 F11 Ignition Coil Haas 413110321

BMW 1 3 5 Series E81 E87N LCI E90 E91 E92 F10 F11 Ignition Coil Haas 413110321 is an original ignition coil designed for a wide range of BMW 1, 3, and 5 Series models. This component is responsible for the stable generation of spark in the ignition system, which translates to smooth engine operation and reliable starting. Thanks to the proven Haas design, the coil ensures predictable performance parameters and is a suitable choice for professional ignition system repairs.

Specifications and technical data

• SKU: 7638477-1
• Condition: Used
• OEM Part Number: 7638477
• Substitutable numbers: 12137559842, 7559842, 12137582627, 7582627, 12137571644, 7571644, 12137638477, 7638477, 12137594935, 7594935, 413110321, 241779, KZ, 65137927997, 7927997, 65139275995, 9275995
• Category: Starter Motor Parts

Intended Use and Compatibility

The presented ignition coil has been designed for use in popular BMW 1, 3, and 5 Series models of the E81, E87N LCI, E90, E91, E92, F10, and F11 generations. The component's construction is adapted to the factory requirements of the ignition system in these powertrains, allowing for the maintenance of proper engine operating parameters without the need for installation modifications.

Thanks to its compatibility with the original OEM part number and an extensive list of interchangeable numbers, the coil can be used as a direct replacement for the factory-installed component, facilitating the selection of the correct part during repair or diagnosis.

Construction and Technical Characteristics

The Haas ignition coil is constructed as a high-voltage component, working in conjunction with the factory BMW engine control unit. The winding and insulation technology used ensures the appropriate spark energy level under various powertrain loads, both at idle and during dynamic acceleration.

This solution allows for:

• stable spark generation in each cylinder,
• reduction of misfires at higher RPMs,
• maintenance of smooth engine operation across the full range of operating temperatures.

By preserving the original housing geometry and connectors, installation is repeatable and does not require additional electrical system modifications.

Part Condition and Service Application

The offered ignition coil is a used part, making it a sensible choice for economical vehicle repairs, especially when multiple coils need to be replaced simultaneously. This type of part allows for the restoration of proper ignition system function without incurring the cost of purchasing a new set.

In workshop practice, ignition coils are among the components frequently replaced preventatively when symptoms such as rough idling, power loss, or ignition errors recorded in the control unit occur. It is important to remember that selecting the correct part according to the OEM part number and reference list is crucial for maintaining full compatibility.

If you are wondering whether a refurbished part or a used original would be a better solution, the article might be helpful: Refurbished or Used Original – Which Part to Choose for Repair?, where we discuss the practical differences between these repair approaches.

Practical Application and Operational Aspects

A functional ignition coil directly impacts engine smoothness, fuel consumption, and exhaust emissions. In BMW 1, 3, and 5 Series vehicles, where powertrains often operate under varied conditions (city, country roads, highway), maintaining the ignition system in good condition is important for both driving comfort and the longevity of other components.

Coil replacement is a typical service operation that can be performed in most workshops specializing in the BMW brand. Due to its factory-like construction, this component fits well into standard repair procedures and does not require additional adaptation in the engine control unit.

If you want to better plan your car's maintenance and learn about other parts that most frequently require replacement, check out the guide: TOP 10 Most Frequently Replaced Parts in Your Car. This is a practical addition to your knowledge when planning inspections and repairs.

Summary

BMW 1 3 5 Series E81 E87N LCI E90 E91 E92 F10 F11 Ignition Coil Haas 413110321 is a functional ignition coil designed for a wide range of BMW models, allowing for the restoration of proper ignition system operation while maintaining compliance with factory requirements. The used nature of the part allows for optimization of repair costs while preserving proper operational parameters. This is a practical solution for drivers and workshops looking for a technically matched component for specific engine versions of the BMW 1, 3, and 5 Series.