BMW 3 5 7 Series E30 E34 E36 E38 E46 Petrol Engine Starter Motor 2354709

BMW 3 5 7 Series E30 E34 E36 E38 E46 Petrol Engine Starter Motor is an original starting system component, designed specifically for the petrol engines of this series. Thanks to its factory-spec construction, it ensures stable engine starting, proper integration with the vehicle's electrical system, and predictable performance in daily operation. This is the ideal solution for users who expect a proven, technically matched part rather than random aftermarket replacements.

Specifications and technical data

• SKU: 2354709
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7518044
• Substitutable numbers: 12412354709, 2354709, 12411740379, 1740379, 12412344247, 2344247, 12411740378, 1740378, 12411740375, 1740375, 12411738602, 1738602, 12411466102, 1466102, 12411712937, 1712937, 12411735524, 1735524, 12411738604, 12411715238, 1715238, BG
• Fuel type: Petrol
• Category: Starter Motors

Purpose and compatibility

The BMW starter motor for the 3, 5, and 7 series has been developed for E30, E34, E36, E38, and E46 models equipped with petrol engines. The design is tailored to the geometry of the engine block, mounting points, and flywheel ring gear characteristics, which translates into proper engagement and reduced mechanical wear. Using a dedicated starter motor minimizes the risk of installation issues and incorrect positioning relative to the flywheel.

Construction and functional parameters

The starter belongs to the Starter Motors category, meaning it is responsible for initiating the operation of the power unit through short-term, intensive loading of the electrical system. The drive with a gear and solenoid switch is optimized for petrol engines, which require sufficient crankshaft rotational speed during startup. Properly selected gear ratios and starting torque promote reliable engine starts both when cold and after warming up.

The component is designed as an OEM part, which means it maintains factory manufacturing standards, proper fitment with the electrical harness, and compatibility with factory safety and control systems. The presence of the OEM part number and interchangeable numbers facilitates clear identification and selection for a specific vehicle configuration.

Condition, verification, and practical application

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 is a particularly cost-effective solution for servicing older BMW generations, where both technical correctness and rational repair costs are important. A used OEM starter motor allows you to maintain the original operating characteristics of the starting system without having to resort to unreliable replacements of unknown quality.

Starter replacement is recommended in the event of symptoms such as slow cranking, characteristic grinding noises during startup, irregular engagement, or a complete lack of response when attempting to start the engine. Using the correct model dedicated to the petrol engine reduces the risk of electrical system overload and excessive wear on the flywheel ring gear teeth.

Benefits of using an original BMW starter motor

Choosing a starter motor designed for specific BMW series offers a number of practical benefits:

• Factory fitment for 3, 5, and 7 series petrol engines, with no need for modifications to mounts or wiring.
• Consistent cooperation with the vehicle's electrical system, including factory safety and starter control systems.
• Reduced risk of improper engagement with the flywheel ring gear, which decreases wear on mechanical components.
• Possibility of economical repair while maintaining performance parameters close to factory specifications.

Expanding the starting system in your BMW

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other items from the same group, such as additional starter motors, mounting hardware, or related starting system components, check out the available parts in the BMW Starter Motors category.

Additional technical information and knowledge about BMW engines

For users interested in a broader technical context of BMW power units and the impact of part selection on operating costs, an article comparing the brand's popular diesel engines may be useful. More information on operating characteristics, reliability, and service costs can be found in the material: BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels.