BBB Industries 11301 Alternator

Remanufactured 180-Amp Alternator for BMW

BBB Industries REMAN ALTERNATOR 11301 is a remanufactured 12-volt alternator built for BMW charging-system applications that require a Bosch-style unit with a 180-amp output. It uses an internal voltage regulator, clockwise rotation, and a clutch-style decoupled pulley to match the specified OE configuration.

Key Features

• 180-amp amperage rating for BMW electrical charging systems
• 12-volt alternator with internal voltage regulator
• OE manufacturer reference: Bosch
• Clutch pulley included; decoupled pulley design
• 6-groove serpentine belt pulley
• Clockwise rotation with negative polarity
• Air-cooled design with internal fan
• Plug clock position: 12
• Outside pulley diameter: 2-1/8 in. (54 mm)

Product Details

This BBB Industries REMAN ALTERNATOR is engineered for BMW models that use the Bosch charging-system layout and a 180-amp output specification. Part number 11301 is listed for multiple 3 Series, 5 Series, X3, and X5 applications, including BMW 128i, 323i, 328i, 528i, X3, and X5 fitments with the noted equipment restrictions. This part cross-references Bosch 0-121-715-012 for the same application.

As a remanufactured alternator, 11301 is built to restore charging performance in vehicles that need stable battery support, proper system voltage, and OE-style pulley and connector alignment. The clutch pulley, 6-groove serpentine drive, and internal regulator help maintain correct operation in the specified BMW charging system.

What It Helps Solve

• Battery warning light caused by alternator output loss
• Low charging voltage during driving or idle
• Electrical system instability from a failing alternator
• Noise or belt issues related to a worn pulley assembly
• Charging problems on BMW models with Bosch OE equipment

Installation Notes and Tips

Verify the vehicle’s original alternator output, pulley style, plug clock position, and equipment notes before installation. This unit is listed for specific BMW applications with restrictions such as adaptive control, rear A/C, electronic suspension, or 4-zone climate control on certain X5 models. Confirm serpentine belt routing, connector orientation, and mounting alignment against the removed unit before final installation.

Quality Assurance

BBB Industries remanufactures this alternator to OE-style specifications for the listed BMW applications. The part number 11301 is matched to the stated Bosch reference and fitment data for accurate replacement selection.