BMW E60 M5 E63 E64 M6 Ignition Coil 7835108

BMW E60 M5 E63 E64 M6 Ignition Coil is an original BMW ignition system component, designed for high-performance engines in M5 E60 and M6 E63/E64 models. Thanks to the factory BMW OE specification, it ensures stable spark generation, which translates into proper engine operation and reliable starting in various conditions. This used OEM component is a sensible choice for servicing demanding M engines when you want to maintain factory performance parameters.

Specifications and technical data

• SKU: 7841556
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7835108
• Substitutable numbers: 12137841556, 7841556, 12137835108, 7835108, KZ
• Category: Ignition Coils

Purpose and role in the ignition system

The ignition coil in BMW M5 E60 and M6 E63/E64 engines is responsible for converting voltage from the electrical system into the high voltage required to generate a spark at the spark plug. In high-power units operating at high RPMs, the quality and efficiency of the coil have a direct impact on:

• ignition stability during dynamic acceleration,
• smooth engine idle,
• throttle response across the entire rev range,
• reduction of misfires and hesitation under load.

Using an original coil from the Ignition coils group allows you to maintain engine performance characteristics consistent with the manufacturer's specifications.

Compatibility and part identification

The presented coil is an OEM component from BMW, which facilitates selection for specific engine versions in M5 E60 and M6 E63/E64 models. The part has a dedicated OEM number and assigned replacement numbers, allowing it to be clearly verified against the manufacturer's catalog or service software. The presence of multiple reference numbers allows for:

• safe replacement of earlier versions of the same coil,
• matching to a specific model year and equipment variant,
• minimizing the risk of installing an incorrect component.

In the technical specification description, you will find markings that allow for precise matching to your BMW vehicle.

Performance characteristics and benefits of using OEM

The original BMW ignition coil has been designed to operate in high temperatures and under heavy loads typical of M units. Using an OEM component ensures:

• proper cooperation with the factory engine control unit and ignition maps,
• appropriate coil charging and discharging time characteristics,
• compatibility with original electrical harnesses and connectors,
• maintenance of standard engine refinement and predictable behavior under load.

By choosing a used OEM coil, you receive a component structurally consistent with factory equipment, which is particularly important in high-power cars where the ignition system operates at the limit of its design capabilities.

Condition, installation, and service application

The offered ignition coil is in used condition, which allows for an economical repair of the ignition system while maintaining the original BMW specification. This type of component is most often used for:

• eliminating misfires diagnosed with a diagnostic tester,
• repairs after spark plug flooding or oil leakage into spark plug wells,
• preventive replacement of several coils in a high-mileage engine.

The OEM design allows for installation in place of the factory coil without modifying the wiring, which shortens service time and reduces the risk of installation errors.

Expanding BMW ignition system service

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 ignition harnesses, check out the available parts in the BMW Ignition coils category.

When working on the ignition and exhaust system in high-performance cars, it is also worth understanding the impact of modifications on exhaust gas temperature and coil load; you can find more practical tips in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.