BMW E46 Petrol Engine Starter Motor 1,4kW 7505979

BMW E46 Petrol Engine Starter Motor is a used component from the Starters category, designed for BMW E46 series petrol engines. Thanks to its factory design and appropriately selected electrical parameters, it ensures reliable, repeatable engine starting and stable operation with the vehicle's electrical system. It is a practical solution for users looking for a proven, technically matched starter for their BMW.

Specifications and technical data

• SKU: 7505995-1
• Mark: Unbranded
• Condition: Used
• OEM Part Number: 7505979
• Substitutable numbers: 7505979, 12417505979, 7505995, 12427505995
• Fuel type: Petrol
• Category: Starter Motors

Purpose and compatibility

The presented starter has been designed for BMW E46 models with petrol engines. The design and operating parameters are adapted to the characteristics of this model's power units, which translates into correct cranking speeds and proper load on the electrical system. Using a dedicated starter reduces the risk of fitment issues and minimizes the need for accessory modifications.

Technical characteristics of the starter

The starter belongs to a group of components with an operating power suitable for typical BMW E46 petrol units, which ensures efficient rotation of the crankshaft even at lower ambient temperatures. The applied gear and solenoid are selected to ensure stable engagement with the flywheel ring gear and to limit mechanical wear. As a result, the component can effectively work with the factory power supply and engine control system.

As a product from the Starters category, this model is adapted to work in the demanding conditions of the engine bay – under variable temperatures, vibrations, and electrical loads. The appropriate design of the housing and brush system promotes the maintenance of stable starting parameters over a long operational period.

Application in petrol engines

The starter is designed to work with petrol-powered engines, which means it is matched to the starting resistance and required torque characteristic of such units. In practice, this translates into:

• efficient starting of both cold and warm engines,
• appropriately selected current draw during startup,
• stable cooperation with the factory battery and alternator.

Thanks to the correct selection of electrical and mechanical parameters, the starter supports the proper operation of the entire drivetrain, reducing the risk of system overload and excessive wear of cooperating components.

Condition and benefits of using a used starter

The offered component is in a used condition, which represents a reasonable compromise between cost and functionality. Choosing such a solution allows for an economical repair of the starting system while maintaining proper fitment for the specific BMW model. A used starter can be a good choice in situations where the priority is to quickly restore vehicle functionality at controlled service costs.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system, battery condition, and ground connections to fully utilize the capabilities of the offered starter and avoid secondary faults resulting from other system components.

Expansion of the starting system and related components

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 additional starters, mounting hardware, or related starting system components, check the available parts in the Unbranded Starters category.

For a better understanding of the relationship between the starter and the fuel supply system, and for proper diagnostics of the entire starting circuit, it is worth checking out practical tips regarding the fuel system – you will find them in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, the selection of components by OEM numbers and the principles of their operation.