Bosch AL9449X Alternator

Overview of Bosch AL9449X Remanufactured Alternator

The Bosch AL9449X is a remanufactured alternator designed specifically for select BMW models, including the 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4. This 12-volt alternator delivers reliable electrical charging performance with a 210-amp rating, ensuring your vehicle's battery and electrical systems remain fully powered.

• 12-volt electrical system compatibility
• 210-amp amperage rating for consistent power output
• Internal fan type with clockwise rotation direction
• Includes a 6-groove pulley with a 50.1 mm outside diameter
• Aluminum case material and color for durability and heat dissipation
• Internal voltage regulator included
• Plug clock rear view main mounting ear positioned at 6 o'clock
• Compatible with multiple BMW models such as 320i xDrive and 428i Gran Coupe

Details on Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) product line offers high-quality remanufactured alternators that meet strict OEM standards. These alternators are rebuilt using original components and tested to ensure reliable performance and longevity. The AL9449X model benefits from this rigorous remanufacturing process, providing a cost-effective alternative to new units without compromising on quality or fitment for BMW vehicles.

Technical Specifications and Features

The AL9449X alternator operates at 12 volts and features an internal fan type that rotates clockwise, optimizing cooling within the alternator housing. It includes a 6-groove pulley (6s type) with a diameter of 50.1 mm, designed to work with compatible belt systems. The aluminum case not only reduces weight but also enhances heat dissipation. This alternator comes with an internal voltage regulator, eliminating the need for an external regulator. The plug clock rear view main mounting ear is positioned at 6 o'clock, facilitating proper installation alignment.

Compatible BMW Models and Applications

• BMW 228i and 228i xDrive
• BMW 320i and 320i xDrive
• BMW 328i, 328i GT xDrive, and 328i xDrive
• BMW 428i, 428i Gran Coupe, 428i xDrive, and 428i xDrive Gran Coupe
• BMW 528i and 528i xDrive
• BMW X1, X3, X4, and Z4

Common Issues Addressed by Bosch AL9449X Alternator

• Battery not charging or frequent battery drain
• Dimming or flickering vehicle lights
• Electrical system warning lights on the dashboard
• Unusual noises from the alternator pulley or fan
• Intermittent power loss or vehicle stalling

Installation Notes and Tips

When installing the Bosch AL9449X alternator, ensure the vehicle's battery is disconnected to prevent electrical shorts. Verify the plug clock rear view main mounting ear is aligned at 6 o'clock for proper fitment. The included 6-groove pulley matches the factory belt system, so inspect the belt for wear and replace if necessary. Since this alternator has an internal voltage regulator, no external regulator installation is required. Follow manufacturer torque specifications for mounting bolts to avoid damage.

Quality Assurance and Warranty

As a remanufactured unit from Bosch, the AL9449X alternator undergoes comprehensive testing to meet OEM performance standards. Bosch remanufactured alternators are built to provide reliable operation and durability comparable to new parts. Warranty coverage details should be confirmed at the point of purchase, typically including protection against defects in materials and workmanship.