MPA Electrical 13664 Alternator

Remanufactured Alternator for BMW 318i, 318is, 318ti and Z3

MPA Electrical Part Number 13664 is a remanufactured 12-volt alternator built for select BMW charging system applications. It delivers 80 amps with an internal regulator, internal fan, clockwise rotation, and a Valeo-based design for the listed BMW 318i, 318is, 318ti, and Z3 fitments.

Key Features

• 80 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• Internal fan design
• Clockwise rotation
• Without pulley configuration
• Valeo manufacturer reference
• Remanufactured MPA Electrical part number 13664

Fitment Details

• Fits 1996-1999 BMW 318i, N/A
• Fits 1996-1999 BMW 318is, N/A
• Fits 1996-1999 BMW 318ti, N/A
• Fits 1996-1997 BMW Z3, N/A, with 80 amp Valeo alternator
• Fits 1994-1995 BMW 318i, N/A, with 80 amp Valeo alternator
• Fits 1994-1995 BMW 318is, N/A, with 80 amp Valeo alternator
• Fits 1995 BMW 318ti, N/A, with 80 amp Valeo alternator

Detailed Description

This remanufactured alternator is specified for BMW charging system service where an 80 amp Valeo alternator is required. Part number 13664 matches the listed electrical and mounting characteristics, including internal regulation, clockwise rotation, and a pulley-free configuration. Cross-reference part numbers include Bosch 13664 and Valeo 439007 for the same application.

Use this alternator when servicing BMW 318i, BMW 318is, BMW 318ti, or BMW Z3 models that call for the listed Valeo-style unit. The remanufactured construction supports replacement of the original charging component while maintaining the correct output and configuration for the vehicle application.

Common Issues This Part Can Address

• Low battery charging output
• Battery warning light illumination
• Charging system voltage irregularities
• Alternator bearing or internal component wear
• Failure of the original Valeo alternator unit

Installation Notes and Tips

Verify the vehicle’s original alternator specifications before installation, including 80 amp output, internal regulator, clockwise rotation, and pulley-free configuration. Confirm the application against the BMW model year and the Valeo alternator note shown in the fitment list. Inspect the charging system wiring, belt condition, and battery state before replacing the alternator.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to replace worn charging system parts with application-specific fitment and electrical specifications. This part number 13664 is cataloged for the listed BMW applications and Valeo reference numbers.