Bosch AL9449X Alternator

Bosch Remanufactured Alternator AL9449X

Bosch AL9449X is a remanufactured 12-volt alternator built for BMW charging-system applications that require a 210-amp output. It features an internal regulator, internal fan, clockwise rotation, and a 6-groove pulley to match the specified belt drive setup.

Key Features

• Remanufactured Bosch alternator for BMW electrical charging systems
• 12V design with 210 amp amperage rating
• Internal regulator and internal fan for integrated operation
• Clockwise rotation with 6-groove pulley included
• Aluminum case and aluminum housing construction
• Outside pulley diameter: 50.1 mm
• One-wire capable: No
• External regulator included: No

Product Line Details

Bosch Premium Alternators are remanufactured, built, and tested to meet demanding charging-system requirements. This product line focuses on consistent electrical output, proper pulley alignment, and dependable operation in vehicles that rely on a high-output alternator.

Detailed Description

The Bosch AL9449X alternator is a direct-fit remanufactured charging component for a range of BMW 2 Series, 3 Series, 4 Series, 5 Series, X1, X3, X4, and Z4 applications. It is designed for vehicles specified with a 210 amp alternator and uses an internal regulator with a 6S-CP pulley configuration. This part cross-references Bosch 12317605061 and 12317605479 for the same application.

What It Helps Address

• Battery warning lights caused by alternator output loss
• Low charging voltage during driving or idle conditions
• Electrical system instability from a failing generator
• Accessory performance issues tied to weak charging output
• Starting problems related to insufficient battery recharge

Installation Notes and Fitment

Compatible With BMW models listed below. Verify the 210 amp alternator specification, pulley style, and connector orientation before installation.

• Fits 2013-2018 BMW 320i, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2013-2018 BMW 320i xDrive, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2018 BMW X4, N/A; Alternator (Remanufactured)
• Fits 2013-2017 BMW X3, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2015-2017 BMW X4, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2014-2016 BMW 228i, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2015-2016 BMW 228i xDrive, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2012-2016 BMW 328i, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2014-2016 BMW 328i GT xDrive, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2013-2016 BMW 328i xDrive, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2014-2016 BMW 428i, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2015-2016 BMW 428i Gran Coupe, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2014-2016 BMW 428i xDrive, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2015-2016 BMW 428i xDrive Gran Coupe, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2012-2016 BMW 528i, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2012-2016 BMW 528i xDrive, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2013-2016 BMW Z4, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2013-2015 BMW X1, N/A; To 210 Amp Alternator; Alternator (Remanufactured)
• Fits 2012 BMW X1, N/A; Alternator (Remanufactured)
• Fits 2012 BMW Z4, N/A; Alternator (Remanufactured)

Before replacing the alternator, inspect the belt, tensioner, battery condition, and charging connections to confirm the charging system is operating correctly after installation.

Quality Assurance

Bosch remanufactured alternators are designed, built, and tested to support reliable charging performance in BMW applications. The AL9449X follows Bosch Premium Alternators product-line standards for fit, function, and electrical output consistency.