Remy 17303 Starter Motor

Remanufactured Bosch-Style Starter for BMW

Remy Premium Remanufactured Starter Part Number 17303 is a 12-volt, permanent magnet gear reduction starter built for BMW applications that use a Bosch OE design. It features clockwise rotation, a closed nose, 9 pinion teeth, and a 1.4 power rating for direct replacement service on a wide range of BMW 3 Series, 5 Series, Z3, and Z4 models.

Remy Premium Remanufactured focuses on OE-style replacement components that are rebuilt to meet the demands of everyday starting systems. This starter is a practical choice for BMW owners looking for a remanufactured Bosch-based unit with the correct electrical and mechanical configuration.

• Remy Premium Remanufactured starter, Part Number 17303
• 12V electrical system with 1.4 power rating
• Permanent magnet gear reduction design for efficient cranking
• Closed nose construction
• 9-tooth pinion
• Clockwise rotation
• OE manufacturer: Bosch
• Compatible with BMW 323i, 325i, 330i, 525i, 530i, Z3, Z4, and related models

Detailed Fitment and Application

This starter is compatible with BMW models across multiple engine and chassis combinations, including Fits 2006 BMW 323i, N/A; Fits 2004-2006 BMW 325Ci, N/A; Fits 2004-2006 BMW X3, N/A; Fits 2004-2005 BMW 320i, N/A; Fits 2004-2005 BMW 325i, N/A; Fits 2004-2005 BMW 325xi, N/A; Fits 2004-2005 BMW 330Ci, N/A; Fits 2004-2005 BMW 330i, N/A; Fits 2004-2005 BMW 330xi, N/A; Fits 2004-2005 BMW 525i, N/A; Fits 2004-2005 BMW 530i, N/A; and Fits 2004-2005 BMW Z4, N/A. Additional coverage includes earlier BMW 3 Series, 5 Series, Z3, and M3 applications listed in the fitment data. Part number 17303 is also referenced by BMW OE and aftermarket numbers used for the same application.

This part cross-references Bosch 0-001-108-157 and 0-001-108-169 for the same application.

What This Starter Helps Address

• Slow or weak engine cranking
• No-crank condition when the battery and charging system test properly
• Intermittent starter engagement
• Grinding or inconsistent pinion engagement
• Starter failure on Bosch-equipped BMW starting systems

Installation Notes and Tips

Verify the original starter’s Bosch configuration, 12-volt system, clockwise rotation, closed nose style, and 9-pinion-tooth layout before installation. Confirm vehicle-specific fitment by year, model, and engine configuration, especially on BMW 3 Series, 5 Series, Z3, and Z4 applications. Inspect battery condition, cable connections, and ground points during replacement to avoid repeat starting issues.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured replacement components built around OE-style specifications. This starter is based on a Bosch design and is intended for direct replacement use in the listed BMW applications.