MPA Electrical 11300N Alternator

BMW Alternator Replacement

This MPA Electrical New alternator is a 12-volt, 150-amp charging unit built for BMW applications that require a 6-groove serpentine clutch pulley. It features an internal fan, internal regulator, and clockwise rotation for direct-fit replacement use in supported BMW 128i, 328i, 528i, and X3 applications. Part number 11300N is a practical choice when restoring stable charging output on the vehicle.

Key Features

• 150 amp output for BMW charging system service
• 12 volt alternator with internal regulator
• Internal fan for integrated cooling
• 6 groove serpentine clutch pulley
• Clockwise rotation with 3:00 clock position
• New MPA Electrical replacement, part number 11300N

Detailed Product Information

MPA Electrical New 11300N is an alternator replacement for select BMW models that use a 150 amp charging system. The unit is configured with a 6 groove serpentine clutch pulley, internal regulation, and clockwise rotation, making it a direct-match option for vehicles that call for these specifications. This alternator is listed for BMW 128i, BMW 328i, BMW 328i xDrive, BMW 528i, BMW 528i xDrive, BMW X3, BMW 323i, BMW 328xi, and BMW 528xi applications within the stated model years. The part number 11300N is also useful when searching for a BMW alternator replacement by OE-style reference.

This part cross-references BMW OE numbers 12-31-7-550-967 and 12-31-7-551-254 for the same application.

Vehicle Fitment

• Fits 2008-2013 BMW 128i, N/A
• Fits 2007-2013 BMW 328i, N/A
• Fits 2009-2013 BMW 328i xDrive, N/A
• Fits 2008-2010 BMW 528i, N/A
• Fits 2009-2010 BMW 528i xDrive, N/A
• Fits 2007-2010 BMW X3, N/A
• Fits 2008-2009 BMW 323i, N/A
• Fits 2007-2008 BMW 328xi, N/A
• Fits 2008 BMW 528xi, N/A
• Fits 2007 BMW 323i, N/A; w/ Bosch 150 amp alt., From 4/2007

What It Helps Resolve

• Low or unstable battery charging
• Battery warning light on the dash
• Electrical accessories losing power under load
• Charging system failure caused by a worn alternator
• Voltage output issues on BMW 150 amp alternator applications

Installation Notes and Tips

Verify pulley style, amperage, rotation, and clock position before installation. This alternator is specified with a 6 groove serpentine clutch pulley, internal regulator, internal fan, and clockwise rotation, so matching the original unit is important for proper fitment. Confirm the vehicle’s exact year, model, and charging system specification, especially on the 2007 BMW 323i application noted for Bosch 150 amp alternator use from 4/2007.

Quality Assurance

MPA Electrical supplies this new alternator as a replacement charging component for BMW applications requiring the listed specifications. Part number 11300N is built to match the stated electrical and pulley configuration for supported vehicles.