WAI 11302N Alternator

Reliable Alternator for BMW 1 Series M and 3 Series Models

The WAI 11302N alternator is designed to meet the electrical demands of select BMW vehicles, including the 1 Series M, 135i, and various 3 Series models. Engineered with an internal fan and a clockwise rotation, this alternator ensures efficient charging and consistent performance.

• 12-volt electrical system compatibility
• Internal fan type for optimized cooling
• Clockwise (right) rotation direction
• Includes a 7-groove serpentine pulley
• Internal voltage regulator for stable output
• Decoupled clutch pulley to reduce belt wear and noise
• Amperage rating of 180 amps for high electrical demand
• Compatible with BMW 1 Series M, 135i, 335i, 335is, 335i xDrive, 335xi, 535i, 535i xDrive, and 535xi

Technical Details and Performance Features

This WAI alternator, part number 11302N, belongs to the Bosch family of components, known for their durability and precision engineering. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent electrical output to support your BMW's charging system. The included serpentine pulley with seven grooves is designed for smooth belt engagement, and the decoupled clutch pulley reduces vibration and extends belt life. With a 180-amp rating, this alternator supports the electrical needs of performance-oriented BMW models, maintaining battery charge and powering all onboard electrical systems effectively.

Compatible BMW Models and Common Applications

• Replacement alternator for BMW 1 Series M and 135i models
• Suitable for BMW 335i, 335is, 335i xDrive, and 335xi variants
• Compatible with BMW 535i, 535i xDrive, and 535xi models
• Addresses issues such as battery drain, dimming lights, and charging system failures
• Ideal for restoring reliable starting and electrical system performance

Installation Notes and Tips

When installing the WAI 11302N alternator, ensure the serpentine belt is properly aligned with the 7-groove pulley to prevent premature wear. Verify the clockwise rotation direction matches your vehicle’s specifications. It is recommended to inspect the battery and charging system components during installation to ensure optimal performance. Professional installation is advised to maintain electrical system integrity.

Quality Assurance and Warranty Information

WAI alternators are manufactured to meet stringent quality standards and are part of the Bosch family, reflecting reliable engineering. This alternator is designed to provide consistent performance and durability under normal operating conditions. Please refer to the product documentation or contact the supplier for specific warranty details related to part number 11302N.