MPA Electrical 11393 Alternator

BMW Alternator Replacement for 2008-2014 Models

MPA Electrical Part Number 11393 is a remanufactured 12-volt alternator built for BMW charging system applications that require 220 amps. It features an internal fan, internal regulator, clockwise rotation, an 8:30 clock position, and a 7-groove serpentine pulley for Valeo-style fitment.

This remanufactured alternator is a direct-fit option for select BMW X5, X6, 550i, 550i xDrive, 550i GT, 550i GT xDrive, 650i, 650i xDrive, 750i, 750i xDrive, 750Li, and 750Li xDrive applications. Part number 11393 is also cross-referenced to Valeo 439636 for the same application.

Key Features

• 220 amp output for BMW charging system service
• 12-volt remanufactured alternator
• Internal fan and internal voltage regulator
• Clockwise rotation with 8:30 clock position
• 7-groove serpentine pulley
• Manufactured by Valeo for OE-style application matching

Detailed Product Description

MPA Electrical 11393 is a remanufactured alternator engineered around the OE-style specifications used on select BMW vehicles. The 220 amp output supports the electrical demands found in higher-load BMW platforms, while the internal regulator and internal fan help maintain stable charging performance in the vehicle’s existing system layout. The 7-groove serpentine pulley, clockwise rotation, and 8:30 clock position are important match points for proper installation and belt alignment.

Compatible With 2008-2014 BMW X6, 2011-2013 BMW 550i, 2011-2013 BMW 550i xDrive, 2010-2013 BMW X5, 2010-2012 BMW 550i GT, 2010-2012 BMW 550i GT xDrive, 2012 BMW 650i, 2012 BMW 650i xDrive, 2009-2012 BMW 750i, 2010-2012 BMW 750i xDrive, 2009-2012 BMW 750Li, and 2010-2012 BMW 750Li xDrive. This part number 11393 is a practical replacement when servicing BMW charging and starting systems that use the Valeo 439636 design.

Common Problems This Part Can Address

• Battery warning light or charging system fault message
• Low system voltage during driving or idle
• Dim lights, weak electrical accessories, or intermittent power loss
• Battery not maintaining charge after normal operation
• Noise or charging failure related to a worn alternator

Installation Notes and Tips

• Verify pulley groove count, rotation, and clock position before installation.
• Confirm the vehicle uses a Valeo-style alternator configuration.
• Inspect the serpentine belt, tensioner, and electrical connections during replacement.
• Clear charging-system fault codes after installation and verify output with a charging test.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore proper electrical function for service replacement use. Part number 11393 is built to match the listed BMW applications and OE-style specifications for the charging system.