Remy 12928 Alternator

Reliable Alternator for BMW 3 Series and Z4 Models

The Remy Premium Remanufactured Alternator 12928 is designed to restore charging system performance in select BMW vehicles. Engineered to meet OE specifications, this 12-volt alternator provides consistent power delivery for models including the BMW 323i, 325i, 325xi, 330i, 330xi, and Z4.

• Amperage Rating: 155 amps for efficient electrical output
• Internal fan type for optimized cooling
• Remanufactured to OE standards by Bosch
• Includes pulley for direct replacement
• Clockwise rotation direction
• Internal voltage regulator for stable voltage control

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment manufacturer (OEM) specifications. This process includes thorough testing and replacement of worn components, ensuring reliable performance and durability. The 12928 alternator benefits from this rigorous remanufacturing process, providing a cost-effective alternative to new parts without compromising quality.

Product Details and Specifications

This Remy alternator features a 155-amp output suitable for the electrical demands of BMW 3 Series and Z4 vehicles. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage supply to the vehicle’s electrical system. The included pulley allows for straightforward installation, and the clockwise rotation matches the original equipment setup. Manufactured by Bosch and remanufactured by Remy, this alternator aligns with factory standards for fit and function.

Common Applications and Problem Resolution

• Restores charging system functionality in BMW 323i, 325i, 325xi, 330i, 330xi, and Z4 models
• Resolves battery drain and electrical system failures
• Eliminates dimming headlights and dashboard warning lights
• Addresses issues with inconsistent voltage output
• Replaces worn or damaged alternators to prevent vehicle stalling

Installation Notes and Tips

Installation of the Remy 12928 alternator should be performed by a qualified technician familiar with BMW electrical systems. Ensure the battery is disconnected before removal to prevent electrical shorts. Verify the clockwise rotation and pulley alignment during installation to maintain proper belt tension and function. After installation, test the charging system voltage to confirm correct operation.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators undergo comprehensive testing to verify electrical output and mechanical integrity. Each unit is rebuilt using quality components and inspected to meet strict standards. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.