BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193

BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor is an original component from the Starters group, designed for petrol-powered engines. This used OEM component ensures the correct starting parameters for the N13 engine, maintaining factory-spec compatibility with the electrical and mechanical systems in BMW F-series models.

Specifications and technical data

• SKU: 7638193
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7638193
• Substitutable numbers: 12417638193, 7638193, 12417631054, 7631054
• Fuel type: Petrol
• Category: Starter Motors

Purpose and compatibility

The presented starter motor is designed for BMW F-series vehicles with the N13 petrol engine, typically found in the F20/F21 compact models and the F30/F31 sedans and estates. The use of an original OEM design ensures proper fitment with the gearbox housing, flywheel, and control system in the engine bay.

The starter motor works with the petrol fuel system, providing the appropriate starting torque for the N13 unit, both when the engine is cold and warm. This ensures correct engine starting characteristics, in accordance with the manufacturer's factory specifications.

Construction and performance parameters

The starter motor in this series uses a classic, proven electromagnetic design, where the electric motor assembly works with a coupling mechanism to engage with the flywheel ring gear. This solution ensures stable starting and reduces the risk of improper engagement when starting the engine.

Original manufacturing guarantees:

• correct positioning relative to the flywheel,
• appropriate current characteristics for BMW electrical systems,
• compatibility with the factory starter control system,
• maintenance of proper operating standards during startup.

As a result, the starter motor serves as a functional replacement for the factory-installed component, without the need for system modifications or additional alterations.

Benefits of using an original BMW starter motor

Using an original starter motor in the N13 petrol engine helps maintain the integrity of the entire starting system. Factory fitment minimizes the risk of installation problems, leaks, or incorrect alignment relative to the flywheel. The used OEM component is also a cost-effective solution compared to new parts, while maintaining compliance with BMW technical documentation.

The starter motor from this series is particularly recommended in situations where symptoms such as slow starting, characteristic grinding noises during ignition, or irregular starter operation occur. Replacing it with an original component allows you to restore correct engine starting parameters and reduce the load on the vehicle's electrical system.

Condition and preparation for installation

The offered starter motor is a used component, which in practice means it has been removed from a vehicle and verified for further serviceability. This type of part is a good choice for maintenance repairs when you want to maintain the original BMW specification while optimizing service costs.

Before installation, a standard service procedure is recommended: checking the electrical system, battery condition, and ground connections to fully utilize the capabilities of the offered starter motor and ensure a stable start for the N13 unit.

BMW Starters – expansion and modernization of the starting system

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other elements from the same group, such as additional starters, mounts, or mounting hardware, check out the available parts in the BMW Starters category.

More technical knowledge

During service work on the engine unit, it is also worth paying attention to the cooling system, especially during periods of high temperatures. You can read about the impact of summer heat on engine operation and the potential savings from using used components in our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.