Bosch SR441X Starter

Bosch SR441X Remanufactured Starter

The Bosch SR441X is a remanufactured 12-volt starter built for dependable cranking performance in select BMW applications. It features a 1.7 power rating, clockwise rotation, a closed aluminum nose cone, and an attached solenoid for a direct replacement setup.

Key Features

• Remanufactured Bosch starter for electrical, charging, and starting systems
• 12-volt design with 1.7 power rating
• Clockwise starter rotation
• Closed nose aluminum construction with aluminum finish
• 2 mounting bolt holes for OE-style fitment
• 9-tooth drive gear
• Solenoid attached
• OE recommendation noted by the manufacturer

Product Details

Bosch Premium Starters are remanufactured to meet the demands of daily starting performance and reliability. The SR441X is engineered for BMW vehicles that require a clockwise-rotating starter with a 9-tooth drive and a closed nose housing. This part number, SR441X, is a direct-fit replacement for select BMW 535i, 535is, 735i, 735iL, and M5 models, and it cross-references BMW 12411720663 for the same application.

Compatible With 1988 BMW 535is, 1988-1993 BMW 535i, 1988-1992 BMW 735i, 1988-1992 BMW 735iL, and 1991-1993 BMW M5. Use the Bosch SR441X when replacing a worn starter in these BMW applications.

Common Issues This Starter Can Address

• Slow or weak engine cranking
• No-start condition caused by starter failure
• Intermittent starter engagement
• Grinding or abnormal starter drive noise
• Electrical starting problems related to a worn starter assembly

Installation Notes

• Verify 12-volt system requirements before installation
• Confirm 2-bolt mounting and 9-tooth drive gear match the original unit
• Mounting hardware is not included
• Mounting shims are not included
• Solenoid is attached for streamlined replacement
• Check battery condition, cables, and charging system before installing the new starter

Quality Assurance

This Bosch remanufactured starter is built and tested to support consistent starting performance. Bosch identifies this part as an OE-recommended replacement for the listed BMW applications.