Starter Generator BMW i3 I01 Hybrid 60Ah 94Ah 120Ah Rex Petrol Engine 7625712

Starter Generator BMW i3 I01 Hybrid 60Ah 94Ah 120Ah Rex Petrol Engine is a specialized starting system component designed for the range extender version powered by petrol fuel. This component from the Starter Parts group was designed by BMW to ensure stable starting of the combustion generator, which translates into a reliable start of the hybrid system and repeatable operating parameters in daily use.

Specifications and technical data

• SKU: 8682498
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8682498
• Substitutable numbers: 12318682498, 8682498, 12317625712, 7625712
• Fuel type: Petrol
• Category: Starter Motor Parts

Purpose and role in the BMW i3 Rex hybrid system

In the BMW i3 I01 model with an additional combustion generator, the starter is responsible for initiating the operation of the petrol unit, which recharges the high-voltage battery. The presented component works with the Petrol power system, providing the appropriate starting torque and the correct generator start sequence. As a result, the hybrid system maintains stable energy availability, especially during longer trips when support from the combustion engine is necessary.

The solution used by BMW in the i3 I01 requires precisely selected components, which is why using a dedicated part from the Starter Parts group allows for maintaining compliance with the manufacturer's factory specifications and reducing the risk of incorrect starting or system errors.

Benefits of using an original BMW part

Using a starter designed for the Rex hybrid system in the BMW i3 I01 brings a number of practical service and operational benefits:

• maintaining the factory starting characteristics of the petrol generator,
• proper cooperation with the vehicle's control electronics,
• reducing the risk of overloads in the electrical system during startup,
• better repeatability of starting the hybrid system in both low and high temperatures.

For vehicles with an electric-combustion drive, starting stability is particularly important, as the availability of power in range extender mode depends on the correct start of the generator. A properly selected part from the Starter Parts family helps maintain predictable vehicle behavior in various road conditions.

Technical characteristics and compatibility

The offered element was developed by the BMW brand with the specific drive configuration of the i3 I01 in mind, featuring a petrol unit acting as a generator. The starter is adapted to work with the Petrol power system, which means a properly selected mechanical design and electrical parameters adjusted to the requirements of this type of engine.

In practice, this means:

• maintaining the correct rotational speed during generator startup,
• appropriate current characteristics, matched to the BMW i3 I01 installation,
• compatibility with factory mounting points and electrical connections.

Thanks to this, the installation proceeds in an orderly manner, without the need for modifying the installation or using non-factory adapters, which is particularly important in hybrid and electric vehicles where high and low voltage systems are tightly integrated.

Condition, verification, and service application

The presented BMW starter comes from the segment of used original parts, which allows combining a favorable repair cost with maintaining the manufacturer's factory specifications. Such components are frequently chosen in professional workshops dealing with the service of electric and hybrid vehicles, where both technical compliance and service economics matter.

Replacing the starter in a BMW i3 I01 with a Rex generator is recommended, among other situations, when problems with starting the petrol unit, irregular generator operation, or errors related to the starting phase occur. Using a dedicated element from the Starter Parts group allows for restoring the correct operation of the system without interfering with other drive components.

Expanding the starting system and selecting related elements

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 solenoids, starter gears, or drive housings, check the available parts in the BMW Starter Parts category.

When working with the drive system and starting elements, it is also worth paying attention to the condition of the clutch, dual-mass flywheel, and other drivetrain components. Helpful tips on diagnostics and selecting such parts can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which discusses practical aspects of servicing drive systems in modern cars.

Additionally, when planning broader service work on combustion units, it is worth familiarizing yourself with expert material on engine accessories, timing, and fuel injection in popular models, available in the article Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz C and E class models?. Although it concerns a different brand, the principles of prevention and diagnostics of engine accessories contained therein are also useful when planning the maintenance of petrol units acting as generators in hybrid vehicles.