BBB Industries 42011 Alternator

Overview of BBB Industries REMAN ALTERNATOR 42011

The BBB Industries REMAN ALTERNATOR part number 42011 is designed to provide reliable electrical charging performance for select BMW models. Engineered with a clutch pulley and internal fan, this alternator supports the demanding electrical needs of vehicles like the BMW 328i xDrive and 428i Gran Coupe.

• Amperage Rating: 170 amps for consistent power output
• Cooling Method: Air-cooled with internal fan for efficient heat dissipation
• Decoupled Clutch Pulley included to reduce drivetrain stress
• Compatible with serpentine belt systems featuring 6 pulley grooves
• Voltage: 12 volts with internal voltage regulator
• Rotation Direction: Clockwise
• OE Manufacturer: Nippondenso
• Negative polarity and plug clock position at 10 o'clock
• Outside Pulley Diameter: 1-15/16 inches (49 mm)

Details on the REMAN ALTERNATOR Product Line

The REMAN ALTERNATOR line from BBB Industries focuses on remanufactured alternators that meet or exceed original equipment specifications. This ensures that part number 42011 delivers dependable performance and durability comparable to the OE Nippondenso alternators originally installed in BMW vehicles. The remanufacturing process includes thorough testing and replacement of worn components to maintain consistent amperage and voltage regulation.

Technical Description and Compatibility

This alternator features a 170 amp output suitable for BMW models requiring robust electrical charging capacity. The internal fan and air cooling method help maintain optimal operating temperatures during extended use. The included clutch pulley reduces belt tension fluctuations, improving belt life and reducing noise. Designed for serpentine belt systems with six grooves, this alternator fits BMW 228i, 320i, 328i, 428i, 528i, X3, and Z4 models, including xDrive and Gran Coupe variants. The clockwise rotation and negative polarity match OEM specifications, ensuring seamless integration.

Common Applications and Problem Resolution

• Replacement for alternators with worn or failing clutch pulleys
• Restores proper charging in BMW 328i xDrive and 428i Gran Coupe models
• Addresses electrical issues caused by voltage regulator failure
• Solves overheating problems due to inefficient cooling in older alternators
• Eliminates belt slippage and noise related to pulley wear

Installation Notes and Tips

When installing the BBB Industries REMAN ALTERNATOR 42011, ensure the serpentine belt is properly aligned with the six-groove clutch pulley. Verify the plug clock position is oriented at 10 o'clock for correct electrical connections. It is recommended to inspect the battery and charging system components during installation to confirm overall system health. Use appropriate torque specifications for mounting bolts and verify clockwise rotation compatibility with your BMW model.

Quality Assurance and Warranty

BBB Industries remanufactured alternators undergo comprehensive testing to meet OEM standards, including amperage output and voltage regulation. Part number 42011 is built to provide reliable service life consistent with original Nippondenso alternators. Warranty coverage details should be confirmed with the distributor or retailer, as BBB Industries typically offers limited warranties on remanufactured electrical components.