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Remy 12440 Alternator
Reliable Alternator for BMW 3 Series and Z4 Models
The Remy Premium Remanufactured Alternator 12440 is designed to restore your BMW's charging system performance. Engineered to meet OE specifications, this alternator is compatible with various BMW 3 Series and Z4 models, providing dependable 12-volt power with a 120-amp rating.
- 120 Amperage Rating for consistent electrical output
- Internal fan type for efficient cooling
- Remanufactured to OE standards by Bosch
- Includes pulley for straightforward installation
- Clockwise rotation direction
- Internal voltage regulator for stable voltage control
About the Premium Remanufactured Product Line
The Premium Remanufactured line from Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment manufacturer specifications. This process includes thorough testing and replacement of worn components, ensuring reliable performance and longevity. The 12440 alternator benefits from this rigorous remanufacturing process, making it a practical choice for maintaining your BMW's electrical system.
Detailed Product Description
This Remy alternator 12440 features a 120-amp output suitable for the electrical demands of BMW 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, and Z4 models. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage delivery to your vehicle's electrical components. The included pulley simplifies installation, and the clockwise rotation matches the original equipment setup. Manufactured by Bosch and remanufactured by Remy, this alternator combines quality components with a tested rebuild process.
Common Issues Addressed by This Alternator
- Battery not charging properly or draining quickly
- Dim or flickering headlights and dashboard lights
- Electrical system warning lights illuminated on the dashboard
- Unusual noises from the engine bay related to the charging system
- Vehicle stalling or difficulty starting due to insufficient electrical power
Installation Notes and Tips
Before installation, verify compatibility with your specific BMW model and engine type. Disconnect the battery to prevent electrical shorts. The included pulley allows for direct replacement without additional parts. Ensure the alternator is mounted securely and all electrical connections are clean and tight. After installation, test the charging system voltage to confirm proper operation.
Quality Assurance and Warranty
Remy Premium Remanufactured alternators undergo comprehensive testing to meet strict quality standards. Each unit is rebuilt using OE components, including the Bosch-manufactured core, and tested for amperage output and voltage regulation. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.
| Brand | Remy |
|---|---|
| Part Number | 12440 |
| Position | Premium Remanufactured |
| Amperage Rating | 120 |
| Fan Type | Internal |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Bosch |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | 325Ci | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2006 | BMW | 330Ci | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | 325Ci | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | 325i | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | 325xi | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | 330Ci | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | 330i | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | 330xi | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2005 | BMW | Z4 | 2.5L | L6 | N/A | 120 Amps - 120 amp power output rating; Premium Remanufactured |
| 2005 | BMW | Z4 | 3.0L | L6 | N/A | 120 Amps - 120 amp power output rating; Premium Remanufactured |
| 2004 | BMW | 325Ci | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2004 | BMW | 325i | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2004 | BMW | 325xi | 2.5L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2004 | BMW | 330Ci | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2004 | BMW | 330i | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2004 | BMW | 330xi | 3.0L | L6 | N/A | wo/Air Duct; Bosch Unit; Std; 120 Amps; Premium Remanufactured |
| 2004 | BMW | Z4 | 2.5L | L6 | N/A | 120 Amps - 120 amp power output rating; Premium Remanufactured |
| 2004 | BMW | Z4 | 3.0L | L6 | N/A | 120 Amps - 120 amp power output rating; Premium Remanufactured |
| 2003 | BMW | 325Ci | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2003 | BMW | 325i | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2003 | BMW | 325xi | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2003 | BMW | 330Ci | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2003 | BMW | 330i | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2003 | BMW | 330xi | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2003 | BMW | Z4 | 2.5L | L6 | N/A | 120 Amps - 120 amp power output rating; Premium Remanufactured |
| 2003 | BMW | Z4 | 3.0L | L6 | N/A | 120 Amps - 120 amp power output rating; Premium Remanufactured |
| 2002 | BMW | 325Ci | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2002 | BMW | 325i | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2002 | BMW | 325xi | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2002 | BMW | 330Ci | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2002 | BMW | 330i | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2002 | BMW | 330xi | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2001 | BMW | 325Ci | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2001 | BMW | 325i | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2001 | BMW | 325xi | 2.5L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2001 | BMW | 330Ci | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2001 | BMW | 330i | 3.0L | L6 | N/A | 120 Amps; Premium Remanufactured |
| 2001 | BMW | 330xi | 3.0L | L6 | N/A | 120 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.