Alternator Generator Mini Cooper R55 R56 R57 R57 R58 LCI Petrol 7574365

Visual condition of the part

The product shows signs of use visible in the photos.

Alternator Generator Mini Cooper R55 R56 R57 R58 LCI is an original component from the Alternators and generators group, designed for Mini R-series petrol engines after the facelift. This used OEM part ensures proper battery charging, stable power supply for the electrical system, and maintains factory operating parameters.

Specifications and technical data

• SKU: 7574365-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7574365
• Substitutable numbers: 12317604782, 7604782, 12317574365, 7574365, 12317575650, 7575650, 12317553009, 7553009, BG, 7575873, 7619254
• Fuel type: Petrol
• Category: Alternators & Generators

Application and compatibility

The presented alternator is dedicated to Mini Cooper R55, R56, R57, and R58 models in the LCI version with petrol engines. Thanks to the preservation of the factory design and operating parameters, the component works seamlessly with the original engine equipment, wiring harness, and vehicle control units, which facilitates installation and reduces the risk of compatibility issues.

The alternator has been designed to provide a stable power supply for all electrical consumers – from basic onboard systems to extensive comfort equipment. The appropriately selected gear ratio and operating characteristics allow for maintaining the correct charging voltage under typical urban and extra-urban driving conditions.

Construction and functional parameters

As an OEM Mini brand component, the alternator utilizes a proven design integrated with a voltage regulator, which ensures stable operation of the charging system and protects the installation against voltage spikes. The housing is adapted to the factory mounting points in R-series power units, which translates into precise fitment with the engine and accessories.

The component works with the petrol engine's belt drive, and its characteristics have been selected to ensure adequate efficiency both at idle and at higher RPMs. As a result, the charging system maintains correct parameters even under increased electrical load, e.g., during the operation of air conditioning, heated windows, or additional lighting.

Condition, origin, and benefits of choosing OEM

The alternator comes from dismantling and is offered as a used part, which allows for combining an attractive purchase cost with the preservation of factory build quality. Original Mini components are designed for long-term operation, proper cooling, and resistance to typical thermal and mechanical loads in the engine bay.

Choosing an OEM alternator from the Alternators and generators category provides, among others:

• a guaranteed fit for the specific generation of the Mini Cooper R-series after the facelift,
• preservation of factory charging parameters and compatibility with vehicle electronics,
• reduction of the risk of installation problems compared to replacements with uncertain specifications.

Installation and operational recommendations

When replacing the alternator, it is recommended to check the condition of the drive belt, guide pulleys, and the vehicle's ground connections to fully utilize the potential of the installed component. Proper installation, while maintaining tightening torques and correct cable routing, contributes to the trouble-free operation of the charging system and voltage stability in the installation.

Due to the specifics of Mini petrol engines, it is also worth periodically monitoring the condition of the battery and electrical connections, which allows for early detection of potential performance drops and avoids problems with starting or powering the electronics.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other elements from the same group, such as alternators, generators, or related charging system components, check the available parts in the Mini Alternators and generators category.

For drivers interested in a broader look at the operation of powertrain components and the selection of used parts, the guide on gearboxes – design differences, typical faults, and rules for safe purchasing, available in the article Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox, may be helpful.