Bosch SR9520X Starter Motor

Reliable Starter for BMW 528i, X1, X3, and Z4 Models

The Bosch Starter (Remanufactured) SR9520X is designed to provide dependable starting power for select BMW vehicles. Engineered to meet OEM specifications, this 12-volt starter ensures consistent performance for models including the BMW 528i, 528i xDrive, X1, X3, and Z4.

• Voltage: 12V for standard automotive electrical systems
• Power Rating: 1.5 kW to deliver sufficient torque
• Mounting Bolt Hole Quantity: 2 for secure installation
• Nose Cone Material: Durable aluminum with a closed nose design
• Starter Rotation: Clockwise rotation compatible with specified BMW engines
• Solenoid Attached: Integrated solenoid for streamlined operation
• Tooth Quantity: 9 teeth for proper engagement with flywheel
• Remanufactured unit maintaining OEM quality standards

About the Bosch Starter (Remanufactured) Product Line

The Bosch Starter (Remanufactured) line offers remanufactured starters that meet strict quality and performance criteria. These units are rebuilt using original components and tested to ensure reliability and durability. The SR9520X model continues this tradition, providing a cost-effective alternative to new starters without compromising on function or fitment.

Detailed Product Description

This Bosch SR9520X starter is specifically engineered for BMW vehicles such as the 528i, 528i xDrive, X1, X3, and Z4. Featuring a 12-volt electrical system and a 1.5 kW power rating, it delivers the necessary torque to start your engine efficiently. The aluminum closed nose cone enhances durability while reducing weight. With two mounting bolt holes and a clockwise rotation, this starter aligns precisely with the original equipment specifications. The attached solenoid simplifies installation and operation, and the 9-tooth pinion ensures proper engagement with the flywheel for smooth engine starts.

Common Issues Addressed by This Starter

• Engine fails to crank or slow cranking
• Intermittent starting problems
• Grinding noises during engine start
• Starter motor overheating or electrical faults
• Wear-related starter failure in BMW 528i, X1, X3, and Z4 models

Installation Notes and Tips

Installation requires removal of the old starter and mounting the Bosch SR9520X using the two bolt holes provided. Note that mounting hardware and shims are not included, so retain original components or acquire replacements as needed. Ensure proper alignment of the starter’s 9-tooth pinion with the flywheel teeth. Verify clockwise rotation compatibility with your vehicle’s engine. The attached solenoid simplifies wiring connections, but always disconnect the battery before installation to prevent electrical hazards.

Quality Assurance and Warranty

This remanufactured Bosch starter undergoes rigorous testing to meet OEM standards for performance and durability. While specific warranty details may vary, Bosch remanufactured starters typically include a limited warranty covering defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.