MPA Electrical 10311 Alternator

Remanufactured Alternator for BMW Charging Systems

MPA Electrical Part Number 10311 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for BMW charging system service with the correct Valeo family design, internal regulation, and a clockwise rotation pattern.

This remanufactured alternator is a direct replacement choice for 2014-2018 BMW 328d, 2014-2018 BMW 328d xDrive, 2014-2018 BMW X5, and 2015-2017 BMW X3 applications. The included pulley, 6-groove serpentine belt drive, and decoupled clutch pulley support proper belt operation in the original charging system layout.

Key Features

• 12.0-volt remanufactured alternator
• Internal fan and internal voltage regulator
• Clockwise (right) rotation
• 6-groove serpentine pulley included
• Decoupled or clutch pulley included
• Valeo family design for OE-style replacement
• Rear view main mounting ear at 6 o'clock plug clock position

Product Details

MPA Electrical 10311 is remanufactured using testing and remanufacturing processes intended to restore OE-level fit and electrical performance. For BMW 328d, BMW 328d xDrive, BMW X5, and BMW X3 charging system repair, this alternator provides the correct mounting and electrical configuration for vehicles using the specified Valeo-style setup. This part cross-references BMW OE numbers 12 31 7 823 347 and 12 31 8 570 676 for the same application.

Common Issues This Part Can Address

• Battery warning light related to alternator output loss
• Low charging voltage during driving
• Dim lights or electrical instability from charging failure
• Belt drive noise tied to a worn alternator pulley
• Starting problems caused by insufficient system charging

Installation Notes and Tips

Verify the vehicle uses a Valeo-family alternator with a 12-volt system, clockwise rotation, internal regulator, and a 6-groove serpentine pulley before installation. Confirm the plug clock position and mounting ear orientation match the original unit on the BMW 328d, BMW X5, or BMW X3 application. Inspect the belt, tensioner, and charging cables during replacement to help ensure proper system operation.

Quality Assurance

MPA Electrical remanufactured alternators are built to combine OE fit, form, and function with modern remanufacturing and testing methods for dependable replacement performance.

Compatible Vehicles

• Fits 2014-2018 BMW 328d, N/A
• Fits 2014-2018 BMW 328d xDrive, N/A
• Fits 2014-2018 BMW X5, N/A
• Fits 2015-2017 BMW X3, N/A