Bosch AL0703N Alternator

Reliable Bosch Alternator for BMW Models

The Bosch AL0703N alternator is designed to provide consistent electrical charging performance for a range of BMW vehicles. Engineered with a 14-volt output and a 120-amp amperage rating, this new alternator ensures your BMW’s electrical system operates efficiently under various driving conditions.

• Voltage: 14V for stable electrical output
• Amperage Rating: 120 amps to support vehicle electrical demands
• Rotation Direction: Clockwise for proper fitment
• Pulley Included: Yes, with 6 grooves (6s type) and 50mm diameter
• Internal Fan and Regulator for optimized cooling and voltage control
• Case Material: Durable aluminum with aluminum case color
• Plug Type: 335 with 2 plug clock rear view main mounting ear at 6 o’clock
• New alternator from Bosch’s Alternator (New) product line

About Bosch Alternator (New) Product Line

The Bosch Alternator (New) product line focuses on delivering brand-new alternators built to meet original equipment manufacturer (OEM) specifications. This ensures compatibility and reliable performance for vehicles requiring replacement alternators. The AL0703N is part of this line, offering a direct-fit solution for BMW models without the need for remanufactured parts or modifications.

Detailed Product Description

This Bosch AL0703N alternator is specifically designed for BMW vehicles including the 320i, 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, 525i, 528i, 530i, X5, and Z3 models. It features an internal fan type for efficient cooling and an internal voltage regulator to maintain consistent electrical output. The clockwise rotation direction and included 6-groove pulley with a 50mm diameter ensure proper belt alignment and fitment. The aluminum case provides durability and heat dissipation, while the plug type 335 with a 2 plug clock rear view main mounting ear at 6 o’clock guarantees secure electrical connections.

Common Issues Addressed by This Alternator

• Battery not charging or frequent battery drain
• Dim or flickering dashboard and headlights
• Electrical system warning lights on the dashboard
• Unusual noises from the engine bay related to alternator pulley or bearings
• Failure to start due to insufficient electrical power

Installation Notes and Tips

• Ensure the vehicle battery is disconnected before installation
• Verify the clockwise rotation direction matches the original alternator
• Check the pulley groove count and diameter for belt compatibility
• Confirm plug type 335 connections align with vehicle wiring harness
• Use proper torque specifications for mounting bolts to avoid damage

Quality Assurance and Warranty

The Bosch AL0703N alternator is a new, OEM-quality replacement part manufactured with high-grade aluminum casing and internal components. Bosch’s Alternator (New) line adheres to strict quality control standards to ensure durability and reliable performance. While specific warranty details may vary, Bosch alternators typically come with a limited warranty covering defects in materials and workmanship.