Bosch SR0855N Starter

Reliable Starter for BMW 335d and X5 Vehicles

The Bosch Starter (New) SR0855N is designed to provide dependable engine starting performance for select BMW models. Engineered with precision, this 12-volt starter ensures consistent power delivery and smooth operation for your BMW 335d and X5.

• Voltage: 12V for standard automotive electrical systems
• Power Rating: 1.8 kW for efficient engine cranking
• Mounting Bolt Hole Quantity: 2 for secure installation
• Nose Cone Material: Aluminum for lightweight durability
• Starter Rotation: Clockwise to match OEM specifications
• Solenoid Attached: Yes, integrated for streamlined functionality
• Tooth Quantity: 9 for proper engagement with flywheel
• Product Length: Approximately 9.21 inches for correct fitment
• New unit, not remanufactured, ensuring original quality

About the Bosch Starter (New) Product Line

The Bosch Starter (New) line focuses on delivering brand-new starter motors that meet original equipment manufacturer standards. This product line emphasizes reliability and precision engineering, making the SR0855N a suitable replacement part for BMW vehicles requiring a new starter motor with OEM-level performance.

Detailed Product Description

The Bosch SR0855N starter is built with an aluminum nose cone that reduces weight while maintaining strength and heat dissipation. Its 12-volt electrical system and 1.8 kW power rating provide sufficient torque to crank diesel engines like those in the BMW 335d and X5 models. The clockwise rotation and 9-tooth pinion gear ensure compatibility with the vehicle’s flywheel, promoting smooth engagement and reliable starts. The attached solenoid simplifies the electrical connection and activation process. This starter is designed with two mounting bolt holes for secure attachment, and its length of just over 9 inches fits precisely within the engine bay specifications of the compatible BMW models.

Common Applications and Issues Addressed

• Replacement for faulty or worn-out starters in BMW 335d and X5
• Resolves intermittent engine cranking or no-start conditions
• Addresses starter motor failure due to electrical or mechanical wear
• Improves starting reliability in cold weather or high-mileage vehicles
• Eliminates grinding or unusual noises caused by damaged pinion gears

Installation Notes and Tips

Ensure the vehicle battery is fully charged before installation to avoid electrical issues. The SR0855N starter requires two mounting bolts for secure attachment; verify bolt torque specifications according to BMW service manuals. Since mounting hardware and shims are not included, reuse existing components if in good condition or source replacements separately. Confirm the clockwise rotation matches the original starter to prevent damage. Properly connect the solenoid wiring harness to ensure correct electrical operation.

Quality Assurance and Warranty

As a new starter motor from Bosch, the SR0855N meets stringent quality standards consistent with OEM requirements. Bosch products undergo rigorous testing to ensure durability and performance. While specific warranty details are not provided here, Bosch typically offers limited warranties on new starters to cover manufacturing defects. Consult product documentation or authorized Bosch distributors for exact warranty terms.