BMW G01 G05 G20 G22 G30 G32 B57P Diesel Engine Starter Motor 8490093

BMW G01 G05 G20 G22 G30 G32 B57P Diesel Engine Starter Motor is an original component from the Starters group, designed for BMW diesel units. This used OEM component ensures proper diesel engine starting parameters, maintaining factory fitment with the vehicle's powertrain and electrical system.

Specifications and technical data

• SKU: 8490093
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8490093
• Substitutable numbers: 8490093, 12418490093
• Fuel type: Diesel
• Category: Starter Motors

Purpose and compatibility

The presented starter motor is dedicated to BMW G-series models, including SUVs and sedans with diesel engines. The design developed by the vehicle manufacturer guarantees compatibility with the factory B57P engine accessories and correct operation with the starter control electronics.

Thanks to the use of an OEM solution, the starter works with the factory power supply system, ground installation, and energy management system, which reduces the risk of diagnostic errors and problems with starting the engine in various operating conditions.

Construction and operating parameters

The diesel engine starter in this configuration is designed for the higher compression resistance characteristic of diesel units. Properly selected torque and current characteristics enable efficient rotation of the crankshaft even at low ambient temperatures.

Key design features of this component include:

• starting characteristics designed for diesel engines,
• factory fitment to the crankcase and flywheel housing,
• adaptation for compatibility with new-generation BMW electrical systems.

A starter configured in this way allows for stable, repeatable starting, which translates into less load on the battery and other components of the starting system.

Benefits of using an original BMW starter

Using an original starter in a BMW diesel engine provides a number of practical operational benefits. The most important include:

• Factory fitment – no need for modifications to mounts or electrical wiring,
• preservation of starting parameters specified by the vehicle manufacturer,
• consistency with diagnostic systems and engine control units,
• reduced risk of improper engagement with the flywheel ring gear.

As a result, the starter is a sensible choice when replacing a worn-out component, especially in vehicles used intensively or in demanding conditions where starting reliability and consistency are essential.

Condition, verification, and installation

The item comes from disassembly and is offered as a used BMW starter, which allows for repair cost optimization while maintaining the original specification. 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 component's capabilities.

The starter is intended for installation in place of the factory component, using original mounting points and connectors. Properly performed installation ensures connection tightness, correct cable routing, and safe operation in the engine compartment.

Additional information and related products

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 starters with similar specifications, units for other engine variants, or components intended for related models, check the available parts in the BMW Starters category.

For major work on the power unit, it is also worth paying attention to the general condition of the engine and accessories. To better plan the scope of work and assess the profitability of repairs, the following guide article may be helpful: Buying a used engine: 5 things you must check before installation.