Part #: 12281

Remy 12281 Alternator

Premium Remanufactured
⚙️ 48 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: BMW, 325Ci, 330Ci, X5, 325i, 325xi, 330i, 330xi, 525i, 530i, and Z3
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Reliable Alternator for BMW 3 Series and X5 Models

The Remy Premium Remanufactured Alternator 12281 is designed to restore your BMW's charging system performance. Engineered with a 120-amp rating and internal fan, this alternator ensures consistent power delivery for models like the BMW 325i, 330xi, and X5.

  • 120 Amperage Rating for stable electrical output
  • Internal fan type for efficient cooling
  • Remanufactured to meet OEM standards
  • Includes pulley for direct replacement
  • Clockwise rotation direction
  • 12 Volt system compatibility
  • Internal voltage regulator for reliable voltage control
  • OE Manufacturer: Bosch

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet strict quality and performance standards. This ensures that the alternator 12281 provides dependable operation comparable to new units while supporting sustainability through remanufacturing. The line focuses on delivering components with verified OE manufacturer parts, such as Bosch, to maintain vehicle integrity.

Product Details and Specifications

This Remy alternator features a 120 amp output suitable for BMW vehicles requiring robust electrical support. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. The included pulley allows for straightforward installation without additional parts. Its clockwise rotation and internal voltage regulator are matched to BMW's electrical system requirements, ensuring compatibility with models including the 325Ci, 330i, 525i, 530i, Z3, and X5.

Common Applications and Problem Resolution

  • Replaces failing or weak alternators causing battery drain
  • Solves intermittent electrical issues and dimming lights
  • Restores charging system functionality after voltage regulator failure
  • Addresses pulley wear or damage affecting belt operation
  • Improves engine starting reliability in BMW 3 Series and X5 vehicles

Installation Notes and Tips

Ensure battery is disconnected before removal to prevent electrical shorts. Verify the clockwise rotation direction matches your vehicle’s original alternator. Use the included pulley for a direct fit and confirm all electrical connections are secure. It is recommended to inspect the drive belt and tensioner during installation for optimal performance.

Quality Assurance and Warranty

The Remy Premium Remanufactured Alternator 12281 is built to meet or exceed OEM specifications, incorporating Bosch components for trusted quality. While specific warranty details are not provided here, Remy products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.

BrandRemy
Part Number12281
PositionPremium Remanufactured
Amperage Rating120
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerBosch
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 48 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006BMW325Ci2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2006BMW330Ci3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2006BMWX53.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2005BMW325Ci2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2005BMW325i2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2005BMW325xi2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2005BMW330Ci3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2005BMW330i3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2005BMW330xi3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2005BMWX53.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2004BMW325Ci2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2004BMW325i2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2004BMW325xi2.5LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2004BMW330Ci3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2004BMW330i3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2004BMW330xi3.0LL6N/Aw/Air Duct; Bosch Unit; 120 Amps; Premium Remanufactured
2004BMWX53.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW325Ci2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW325i2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW325xi2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW330Ci3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW330i3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW330xi3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW525i2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMW530i3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2003BMWX53.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW325Ci2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW325i2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW325xi2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW330Ci3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW330i3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW330xi3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW525i2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMW530i3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMWX53.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMWZ33.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2002BMWZ32.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW325Ci2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW325i2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW325xi2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW330Ci3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW330i3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW330xi3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW525i2.5LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMW530i3.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMWX53.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMWZ33.0LL6N/ABosch Unit; 120 Amps; Premium Remanufactured
2001BMWZ32.5LL6N/ABosch Unit; 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:

0-124-515-05012-31-7-501-59512-31-7-501-59712-31-7-501-59912-31-7-501-69012-31-7-501-755

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.