BBB Industries 13815 Alternator

Reliable Alternator for BMW and Land Rover Vehicles

The BBB Industries REMAN ALTERNATOR part number 13815 is designed to provide consistent electrical charging performance for select BMW and Land Rover models. Engineered with a brushless design and water cooling, this alternator supports the demanding electrical systems of vehicles like the BMW 540i and Range Rover.

• 150 Amperage Rating for stable power output
• Brushless design for reduced maintenance and longer life
• Water-cooled with liquid cooled fan type for efficient temperature management
• Includes a conventional pulley with 7 grooves and 1-15/16 inch diameter
• Compatible with serpentine belt systems and clockwise rotation
• Internal voltage regulator for consistent 12V output
• Negative polarity and OE manufacturer Bosch components

Detailed Features and Specifications

This REMAN ALTERNATOR from BBB Industries is built to meet the electrical demands of BMW and Land Rover vehicles, including the BMW 740i, 740iL, 750iL, X5, and the Land Rover Range Rover. The alternator delivers a 150 amp output, suitable for powering modern vehicle electrical systems. Its brushless design reduces wear and extends service intervals, while the water cooling system combined with a liquid cooled fan ensures optimal operating temperatures under various driving conditions.

The alternator includes a conventional pulley with seven grooves, measuring 49 mm (1-15/16 inches) in diameter, designed for serpentine belt compatibility. It rotates clockwise and features an internal voltage regulator to maintain a steady 12-volt output. The negative polarity configuration aligns with the original equipment Bosch alternator specifications, ensuring proper fit and function.

About the REMAN ALTERNATOR Product Line

The REMAN ALTERNATOR line by BBB Industries offers remanufactured alternators that meet or exceed OEM standards. This product line focuses on restoring alternators to reliable working condition using quality components, such as those from Bosch, to provide a cost-effective alternative to new units. The 13815 alternator is part of this line, delivering dependable performance for BMW and Land Rover vehicles requiring a 150 amp, water-cooled alternator solution.

Common Applications and Problem Resolution

• Replacement for failing or underperforming alternators in BMW 540i, 740i, 740iL, 750iL, X5, and Land Rover Range Rover models
• Resolves issues with battery not charging properly or electrical system failures
• Addresses overheating problems due to improved water cooling and liquid cooled fan design
• Eliminates brush wear concerns with brushless alternator design
• Fixes pulley or belt alignment problems with included OE-style pulley

Installation Notes and Tips

Installation of the BBB Industries REMAN ALTERNATOR 13815 should be performed by a qualified technician familiar with BMW and Land Rover electrical systems. Ensure the serpentine belt is properly routed over the 7-groove pulley and verify clockwise rotation during installation. Confirm all electrical connections are secure and polarity matches the vehicle’s negative ground system. Testing the alternator output after installation is recommended to verify proper charging function.

Quality Assurance and Warranty

BBB Industries remanufactured alternators undergo rigorous testing to meet OEM specifications, including performance and durability assessments. The REMAN ALTERNATOR 13815 includes an internal voltage regulator and uses Bosch OE components to ensure reliability. Warranty coverage details should be confirmed at the point of purchase, as BBB Industries typically offers limited warranties on remanufactured parts to protect against defects in materials and workmanship.