Bosch AL0839X Alternator

Reliable Bosch Remanufactured Alternator for BMW Models

The Bosch AL0839X Alternator (Remanufactured) is designed to provide dependable electrical charging and starting performance for select BMW vehicles. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and durability for your BMW 128i, 323i, 328i, 328i xDrive, 328xi, 528i, 528i xDrive, 528xi, and X3 models.

Key Features of Bosch AL0839X Alternator

• Voltage: 12 volts for standard automotive electrical systems
• Rotation Direction: Clockwise for proper engine compatibility
• Fan Type: Internal with included external fan for efficient cooling
• Pulley: 6-groove pulley included, 55 mm outside diameter
• Regulator: Internal regulator included for stable voltage output
• Amperage Rating: 110 amps to support vehicle electrical demands
• Case Material and Color: Durable aluminum case in aluminum finish
• Plug Type: 463 with rear view main mounting ear at 6 o'clock
• External Regulator Included: Yes, enhancing voltage control
• One Wire Capable: No, requires standard wiring harness connection

About the Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that meet strict OEM standards. Each unit undergoes comprehensive testing and refurbishment to restore performance and reliability. This product line is ideal for customers seeking a cost-effective replacement without compromising on quality or fitment, specifically tailored for BMW vehicles requiring precise electrical component specifications.

Detailed Product Description

The Bosch AL0839X alternator is a remanufactured unit built with an aluminum case for lightweight durability and heat dissipation. It features a 6-groove pulley compatible with 6s-cp belt types, ensuring proper belt alignment and tension. The internal fan combined with an external fan improves cooling efficiency, reducing the risk of overheating during operation. The internal voltage regulator maintains consistent amperage output rated at 110 amps, supporting the electrical system of BMW 128i, 323i, 328i, 328i xDrive, 328xi, 528i, 528i xDrive, 528xi, and X3 models. The clockwise rotation direction and plug clock rear view main mounting ear at 6 o'clock ensure precise fitment and installation.

Common Issues Addressed by This Alternator

• Battery not charging or slow charging in BMW 328i and 528i models
• Electrical system failures causing dim lights or accessory malfunctions
• Alternator noise or overheating due to worn internal components
• Voltage irregularities affecting engine performance and electronics
• Replacement for failed or underperforming original alternators in BMW X3 and 128i vehicles

Installation Notes and Tips

• Ensure compatibility with your specific BMW model and engine configuration before installation
• Disconnect the battery prior to removal and installation to prevent electrical shorts
• Verify the pulley groove count and belt type match your vehicle’s requirements
• Inspect wiring harness and connectors for damage or corrosion before connecting the alternator
• Follow manufacturer torque specifications for mounting bolts to avoid damage

Quality Assurance and Warranty

This Bosch AL0839X alternator is remanufactured to meet OEM standards, ensuring reliable performance and fitment. It comes packaged securely in a box to protect the unit during shipping. Bosch remanufactured alternators typically include a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part. Please refer to the warranty documentation provided with the product for specific terms and conditions.