BBB Industries 13470 Alternator

BMW Reman Alternator 13470

BBB Industries REMAN ALTERNATOR 13470 is a remanufactured 12-volt alternator built for BMW charging-system service. It uses an internal voltage regulator, clockwise rotation, and a conventional pulley setup to match the original Valeo-style application.

Key Features

• 80 amp amperage rating for standard charging output
• 12V alternator with internal voltage regulator
• OE manufacturer reference: Valeo
• Serpentine belt drive with 6-groove conventional pulley included
• Air-cooled design with internal fan
• Negative polarity and clockwise rotation
• Plug clock position: 9
• Outside pulley diameter: 2 in. / 50 mm

Detailed Description

This BBB Industries reman alternator, part number 13470, is built for BMW vehicles that use a Valeo-style charging system. It is specified as an 80 amp unit with an internal regulator, air cooling, and a serpentine belt pulley arrangement, making it a direct-match service part for common BMW electrical charging repairs. The REMAN ALTERNATOR line focuses on restoring core charging-system function with OE-style fitment details and application-specific configuration.

Compatible With BMW Z3, 323i, 323is, 328i, 328is, M3, 320i, 325i, 325is, and 525i applications listed below. This part cross-references BMW 12-31-1-735-743 and 12-31-1-744-565 for the same application.

Vehicle Fitment

• Fits 1998-2000 BMW Z3, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1998-1999 BMW 323i, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1998-1999 BMW 323is, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1996-1999 BMW 328i, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1996-1999 BMW 328is, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1994-1999 BMW M3, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1992-1995 BMW 320i, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1993-1995 BMW 325i, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1993-1995 BMW 325is, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1995 BMW 525i, N/A; Valeo Unit; Std; 80 Amps; REMAN ALTERNATOR
• Fits 1992 BMW 325i, N/A; Valeo Unit; Std; 80 Amps; From 9/1991; REMAN ALTERNATOR
• Fits 1992 BMW 325is, N/A; Valeo Unit; Std; 80 Amps; From 9/1991; REMAN ALTERNATOR

Common Issues This Part Addresses

• Low battery charging output
• Battery warning light illumination
• Dim lights or unstable electrical performance
• Charging-system noise from a worn alternator
• Failure of the original Valeo alternator assembly

Installation Notes and Tips

Verify pulley groove count, plug clock position, rotation direction, and OE-style mounting before installation. Confirm the vehicle’s charging-system configuration against the listed BMW fitment, especially for 1992 325i and 325is applications noted as from 9/1991. Inspect the serpentine belt, electrical connectors, and battery condition during alternator replacement to help avoid repeat charging faults.

Quality Assurance

BBB Industries remanufactures this alternator to OE-style specifications for the listed BMW applications. Part number 13470 is built around the Valeo unit configuration and application-specific electrical and pulley details for accurate replacement service.