OE Quality
60-Day Returns

Remy 12710 Alternator
Reliable Alternator for BMW 745i and 745Li
The Remy Premium Remanufactured Alternator 12710 is designed specifically for BMW 745i and 745Li models. This 12-volt alternator delivers a 150-amp output with a liquid-cooled fan, ensuring efficient electrical system performance under demanding conditions.
- Amperage Rating: 150 amps for consistent power supply
- Fan Type: Liquid cooled to maintain optimal operating temperature
- Voltage: 12 volts compatible with BMW electrical systems
- Rotation Direction: Clockwise for proper fitment
- Includes Pulley for straightforward installation
- Voltage Regulator: Internal for reliable voltage control
- OE Manufacturer: Bosch, ensuring OEM quality standards
- Remanufactured unit for cost-effective replacement
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 specifications. This process includes thorough testing and replacement of worn components, providing a balance between quality and value. The 12710 alternator benefits from this rigorous remanufacturing process, making it a dependable choice for BMW 745i and 745Li owners seeking a reliable replacement part.
Product Details and Specifications
This alternator features a 150-amp amperage rating, suitable for the electrical demands of BMW 745i and 745Li vehicles. The liquid-cooled fan design helps dissipate heat more effectively than traditional air-cooled units, contributing to longer alternator life and consistent performance. The internal voltage regulator maintains stable voltage output, protecting your vehicle’s electrical components. The included pulley and clockwise rotation ensure compatibility and ease of installation.
Common Issues Addressed by This Alternator
- Battery not charging properly or draining quickly
- Dim or flickering headlights and interior lights
- Electrical system warning lights on the dashboard
- Unusual noises from the engine bay related to the charging system
- Failure of the original alternator due to wear or overheating
Installation Notes and Tips
When installing the Remy 12710 alternator, ensure the battery is disconnected to prevent electrical shorts. Verify the clockwise rotation direction matches your vehicle’s requirements. The included pulley simplifies replacement, but check belt tension and alignment after installation. It is recommended to inspect related components such as the serpentine belt and battery terminals during installation for optimal system performance.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet strict quality standards. This alternator is remanufactured using OE Bosch components, ensuring durability and reliable operation. While specific warranty details may vary, Remy typically offers a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part.
| Brand | Remy |
| Part Number | 12710 |
| Position | Premium Remanufactured |
| Amperage Rating | 150 |
| Fan Type | Liquid Cooled |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Bosch |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | BMW | 745i | 4.4L | V8 | N/A | Watercooled Alt; Std; 150 Amps; Premium Remanufactured |
| 2004 | BMW | 745Li | 4.4L | V8 | N/A | Watercooled Alt; Std; 150 Amps; Premium Remanufactured |
| 2003 | BMW | 745i | 4.4L | V8 | N/A | Watercooled Alt; Std; 150 Amps; Premium Remanufactured |
| 2003 | BMW | 745Li | 4.4L | V8 | N/A | Watercooled Alt; Std; 150 Amps; Premium Remanufactured |
| 2002 | BMW | 745i | 4.4L | V8 | N/A | Watercooled Alt; Std; 150 Amps; Premium Remanufactured |
| 2002 | BMW | 745Li | 4.4L | V8 | N/A | Watercooled Alt; Std; 150 Amps; Premium Remanufactured |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.