Bosch SR0859N Starter

Bosch SR0859N Starter for BMW Diesel Applications

The Bosch SR0859N is a new 12-volt starter built for specific BMW diesel applications, including 2014-2016 BMW 535d, 2014-2016 BMW 535d xDrive, 2015 BMW 740Ld xDrive, 2017-2018 BMW 328d, and 2017-2018 BMW 328d xDrive. It is a Bosch Premium Starter designed and tested for dependable cranking performance and consistent starting reliability.

Key Features

• 12-volt starter with a 2.4 power rating
• New unit with solenoid attached
• Clockwise starter rotation
• 11-tooth drive gear
• Aluminum nose cone with closed nose design
• 2 mounting bolt holes
• Aluminum finish
• One starter required per vehicle

Detailed Product Overview

Built under the Bosch Starter (New) line, part number SR0859N is engineered as a direct replacement starter for select BMW diesel models. The unit’s closed nose aluminum construction, integrated solenoid, and clockwise rotation support proper engagement and starting operation in the listed BMW 328d, BMW 535d, and BMW 740Ld xDrive applications. Bosch positions this premium starter line around performance-focused construction and validation testing for reliable operation.

This part cross-references Bosch OE numbers 12418574102 and 12418581099 for the same application.

What This Starter Helps Address

• Slow or weak engine cranking
• No-start conditions caused by starter failure
• Intermittent starting after key or push-button activation
• Grinding or improper starter engagement
• Electrical starting issues tied to worn starter components

Installation Notes and Fitment

Compatible With 2014-2016 BMW 535d, 2014-2016 BMW 535d xDrive, 2015 BMW 740Ld xDrive, 2017-2018 BMW 328d, and 2017-2018 BMW 328d xDrive. Verify the 11-tooth drive, clockwise rotation, and 2-bolt mounting configuration before installation. Mounting hardware and shims are not included, so reuse or source the correct hardware as needed. Confirm battery condition, charging system output, and cable integrity during replacement to avoid repeat starting complaints.

Quality Assurance

Bosch manufactures this starter as a new replacement unit for the listed BMW diesel applications. The SR0859N is built and tested to meet Bosch’s standards for performance and reliability in starter service.