BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374

BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH is an original component from the Starters group, designed for classic BMW 3 and 5 Series models. Thanks to the use of proven BOSCH technology and a rated power of 1.4 kW, it ensures stable engine starting, even under increased electrical system loads. This is a practical solution for users who expect reliable engine starts and the preservation of the factory starting system concept.

Specifications and technical data

• SKU: 1740374
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1740374
• Substitutable numbers: 1740374, 12411740374, 1735400, 12411735400, 1466342, 12411466342, 1739273, 12411739273, 1714750, 12411714750, 1740373, 12411740373, 2354709, 12412354709, 1740379, 12411740379, 2344247, 12412344247, 1740378, 12411740378, 1740375, 12411740375, 1738602, 12411738602, 1466102
• Category: Starter Motors

Application in BMW models

The presented starter motor is dedicated to the popular BMW E34, E36, E39, and E46 generations, making it an attractive choice for servicing older, yet still frequently driven models. The design based on BOSCH solutions allows for compliance with factory electrical system requirements and mechanical mounting in the engine bay.

As a result, the starter motor is suitable for both standard daily use and more intensively driven vehicles, where operational consistency and resistance to frequent start cycles are essential.

Construction and operating parameters

The 1.4 kW starter motor provides sufficient torque for efficient crankshaft rotation in the typical engines used in the aforementioned BMW generations. The electromagnetic design and gear assembly are optimized for quick engagement with the flywheel ring gear and to minimize energy loss during startup.

Solutions used by BOSCH in this class of starter motors focus on:

• stable operation across a wide range of ambient temperatures,
• controlled power consumption from the vehicle's electrical system,
• properly matched starting torque characteristics.

This approach translates into reliable engine starting and reduced load on other electrical system components.

Benefits of using an original BOSCH starter motor

Choosing a BOSCH starter motor for the BMW E34, E36, E39, and E46 primarily ensures consistency with the vehicle's factory specifications. The original design provides:

• proper fitment for mounts and electrical connections in the engine bay,
• correct interaction with the battery-alternator system,
• predictable behavior during startup, without delays or unwanted vibrations.

For users who value maintaining their car in a configuration close to factory standards, this is a technically consistent and easy-to-service solution. The BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH helps reduce the risk of starting issues that often arise when using random aftermarket replacements with uncertain parameters.

Characteristics of the used part

The offered item is a used part, which represents a reasonable compromise between cost and maintaining the manufacturer's original quality. For many owners of older generation BMWs, this is a practical way to keep the car in good technical condition without the need to invest in new components with comparable parameters.

Before installation, it is recommended to perform a standard verification of the vehicle's electrical system (condition of the battery, ground cables, and power cables) to fully utilize the starter's capabilities and avoid voltage drops that could affect starting comfort.

Selection and compatibility

The starter motor should always be selected based on the vehicle manufacturer's and parts manufacturer's markings, as well as the interchangeable part numbers provided for a specific engine configuration. This ensures proper fitment in terms of both mechanical and electrical aspects, which is crucial for the durability of the entire starting system.

In case of doubt, it is worth comparing the current part with the one currently installed in terms of housing type, terminal position, and mounting method to the engine block. This approach minimizes the risk of incorrect installation and reduces service time.

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 starters with different power ratings, variants for other generations, or versions dedicated to specific engines, check the available parts in the BMW Starters category.

To better evaluate the cost-effectiveness of installing secondary market components in your car, it is worth reading the guide on the advantages and specifics of such parts – you will find practical tips in the article Used parts for BMW – is it worth it? Key benefits for brand fans.