MPA Electrical 17856 Starter Motor

Remanufactured Starter for BMW 745i and 745Li

MPA Electrical Part Number 17856 is a remanufactured starter built for 2002-2003 BMW 745i and 745Li applications. It uses a permanent magnet gear reduction design with a 1.8 kW rating, 12-volt operation, clockwise rotation, and a 9-tooth drive for direct replacement service.

Key Features

• Remanufactured starter from MPA Electrical
• Permanent magnet gear reduction design for compact starting performance
• 1.8 kW output
• 12-volt electrical system
• Clockwise rotation
• 9-tooth drive configuration
• Manufactured by Bosch

Product Details

This starter is built for BMW 745i and BMW 745Li models from 2002-2003 and is listed as a remanufactured replacement for those vehicles. Part number 17856 is also cross-referenced by Four Seasons 17856 for the same application. The permanent magnet gear reduction layout helps package the starter efficiently while maintaining the specified 1.8 kW rating and Bosch-built construction.

Compatible With 2002-2003 BMW 745i and 2002-2003 BMW 745Li, this starter is a direct-fit electrical replacement for vehicles using a clockwise, 12-volt, 9-tooth starter configuration. Search terms such as BMW 745i starter 17856 and BMW 745Li remanufactured starter 17856 align with this application.

Common Starting Issues This Part Can Address

• Engine no-crank condition
• Slow or weak cranking during startup
• Intermittent starter engagement
• Starter motor failure from worn internal components
• Electrical starting problems tied to the starter assembly

Installation Notes and Tips

Verify the vehicle’s starter specifications before installation, including rotation direction, tooth count, voltage, and mounting application. Confirm fitment against the original unit on 2002-2003 BMW 745i and 745Li models to ensure the replacement matches the existing electrical and mechanical configuration. Inspect related starting-system components and battery condition during service.

Quality Assurance

MPA Electrical remanufactured starters are rebuilt to meet the listed application requirements for fit and function. This unit is identified by part number 17856 and is supported by Bosch manufacturing origin for the specified design.