MPA Electrical 11300 Alternator

BMW Alternator for 150 Amp Charging

This remanufactured MPA Electrical alternator is built for BMW charging-system service on select 2007-2013 applications. It delivers 150 amps at 12 volts with a Bosch manufacturer base, internal regulator, internal fan, and a 6-groove serpentine clutch pulley for clockwise rotation.

Key Features

• 150 amp output for BMW electrical charging systems
• 12 volt remanufactured alternator from MPA Electrical
• Bosch manufacturer specification
• Internal regulator and internal fan
• 6-groove serpentine clutch pulley
• Clockwise rotation with 3:00 clock position
• Part number 11300 for catalog lookup and ordering

Product Details

MPA Electrical part number 11300 is a remanufactured alternator for BMW vehicles that use a Bosch-style 150 amp charging unit. The internal regulator helps manage charging output, while the internal fan supports alternator cooling during operation. The 6-groove serpentine clutch pulley and clockwise rotation match the listed OE-style configuration for the covered applications. This part cross-references BBB Industries 11300 for the same application.

Compatible With BMW 128i, 2008-2013; BMW 328i, 2007-2013; BMW 328i xDrive, 2009-2013; BMW 528i, 2008-2010; BMW 528i xDrive, 2009-2010; BMW X3, 2007-2010; BMW 323i, 2008-2009; BMW 328xi, 2007-2008; BMW 528xi, 2008; and BMW 323i, 2007 with Bosch 150 amp alternator from 4/2007.

Common Replacement Reasons

• Battery warning light or charging-system fault
• Low charging voltage at the battery
• Dim lights or unstable electrical performance
• Alternator bearing noise or pulley wear
• Charging failure on BMW 128i, 328i, 528i, or X3 applications

Installation Notes

Verify the 150 amp rating, 12 volt system, pulley style, clock position, and clockwise rotation before installation. Confirm the vehicle uses the Bosch alternator configuration listed for your BMW 128i, 328i, 528i, or X3 application. Compare the connector and mounting layout to the removed unit before final fitment. Part number 11300 should be matched to the vehicle’s original charging-system specification.

Quality Assurance

This remanufactured alternator is built to the listed Bosch specification and inspected as a charging-system replacement component for BMW applications. MPA Electrical part number 11300 is cataloged for direct application matching across the listed fitment range.