BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846

BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine is an original component from the Starter Motors group, designed for BMW B47 family diesel engines. This used OEM component ensures proper diesel engine starting parameters while maintaining factory-fit compatibility with the powertrain.

Specifications and technical data

• SKU: 8570846
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8570846
• Substitutable numbers: 12418570846, 8570846, 12418577010, 8577010
• Fuel type: Diesel
• Category: Starter Motors

Purpose and compatibility

The presented starter motor is designed for BMW F-series models with the LCI facelift, equipped with the B47 diesel engine. As such, it is the right choice for replacing the factory component in compact and mid-size vehicles, where maintaining proper starting parameters and correct interaction with the vehicle's electronics is crucial.

The OEM solution guarantees compatibility with the factory electrical installation, proper mounting to the engine housing, and correct interaction with the engine control system. This is particularly important in modern diesel designs, where the starter motor works in close integration with the engine management system.

Construction and technical characteristics

The starter motor from this series is adapted to the specifics of Diesel engines, which require a higher starting torque than gasoline units. The design features a properly selected electric motor, gear assembly, and overrunning clutch, which enables efficient starting of the B47 unit under various operating conditions.

As an OEM component, the starter motor has an assigned part number and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. This allows for precise selection of the component for a given BMW vehicle, minimizing the risk of installation issues or improper operation after installation.

Condition, verification, and installation

The product is in used condition, meaning it has been removed from a vehicle but retains the functionality required for further operation. This type of solution is cost-effective while maintaining the vehicle manufacturer's original specifications. In practice, this allows for an economical repair of the starting system without sacrificing the factory standard of workmanship.

Before installation, it is recommended to perform a standard check of the vehicle's electrical system (condition of power cables, ground, battery) and verify the correct selection of the starter motor based on the part number and interchangeable numbers. A correctly selected component allows for installation in a near plug-and-play mode, without the need for mechanical modifications.

Benefits of using an original BMW starter motor

• Factory fit – maintaining original mounting geometry and operating parameters, which translates into trouble-free installation.
• Consistency with vehicle electronics – proper interaction with the B47 diesel engine control system.
• Economical solution – a used OEM component allows for reduced repair costs while maintaining high quality of workmanship.
• Appropriate characteristics for diesel units – design adapted to higher starting loads.

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 starter motors, mounts, or starting equipment, check out the available parts in the BMW Starter Motors category.

For drivers considering a wider use of used parts and looking for practical tips on component selection, operation, and savings, the following article may be helpful: Used car parts for Mini Cooper – a way to style and savings.