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Bosch SR9523X Starter Motor
Reliable Starter for BMW 5 Series, 6 Series, 7 Series, M, X5, and X6 Models
The Bosch Starter (Remanufactured) SR9523X is engineered to provide dependable starting power for select BMW vehicles. Designed with precision, this 12-volt starter ensures consistent engine engagement for models including the 550i, 650i, 750i, M5, M6, X5, and X6.
- Voltage: 12V for standard automotive electrical systems
- Power Rating: 1.6 kW for efficient engine cranking
- Mounting Bolt Hole Quantity: 2 for secure installation
- Nose Cone Material: Durable aluminum with a closed nose design
- Starter Rotation: Clockwise to match OEM specifications
- Solenoid Attached: Yes, integrated for streamlined operation
- Tooth Quantity: 10 for proper engagement with the flywheel
- Remanufactured unit meeting OEM 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 reliable operation comparable to new starters. The SR9523X model is part of this line, providing a cost-effective solution without compromising on durability or fitment accuracy for BMW vehicles.
Detailed Product Description
This Bosch starter features a robust aluminum nose cone with a closed nose design, enhancing durability and protecting internal components from debris. The 12-volt, 1.6 kW power rating delivers sufficient torque to crank engines efficiently. With two mounting bolt holes and a clockwise rotation, the SR9523X aligns precisely with the original equipment specifications for BMW 550i, 650i, 750i, M5, M6, X5, and X6 models. The attached solenoid simplifies installation and operation, while the 10-tooth pinion gear ensures proper meshing with the flywheel for smooth engine starts.
Common Applications and Issues Addressed
- Replaces faulty or worn-out starters in BMW 5 Series, 6 Series, 7 Series, M, X5, and X6 vehicles
- Resolves intermittent or no-start conditions caused by starter failure
- Eliminates grinding or unusual noises during engine cranking
- Addresses slow or weak engine turnover due to starter motor wear
- Restores reliable starting performance after solenoid or gear malfunction
Installation Notes and Tips
Installation requires removal of the old starter and mounting the Bosch SR9523X using the two bolt holes provided. Note that mounting hardware and shims are not included and should be reused or sourced separately. Ensure electrical connections are clean and secure, and verify the starter rotation matches the vehicle’s requirements (clockwise). Proper torque specifications should be followed to avoid damage to the mounting points.
Quality Assurance and Warranty
This remanufactured Bosch starter undergoes rigorous testing to meet OEM standards for performance and durability. While specific warranty details are not provided here, Bosch remanufactured starters typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the parts distributor for exact warranty terms.
| Brand | Bosch |
|---|---|
| Part Number | SR9523X |
| Position | Starter (Remanufactured) |
| Cases Per Pallet (ORLY) | 125 |
| Mounting Bolt Hole Quantity | 2 |
| Mounting Hardware Included | No |
| Mounting Shims Included | No |
| New Or Remanufactured | Remanufactured |
| Nose Cone Material | Aluminum |
| Nose Cone Type | Closed Nose |
| Original Equipment Manufacturer Names | BO |
| Power Rating | 1.6 |
| Solenoid Attached | Yes |
| Starter Finish | Aluminum |
| Starter Rotation | Clockwise |
| Tooth Quantity | 10 |
| Voltage | 12 |
This part fits 77 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2019 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2019 | BMW | M6 Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2019 | BMW | X6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | 650i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | 650i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | M6 Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | X5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2018 | BMW | X6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | 550i GT xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | 650i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | 650i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | M6 Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | X5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2017 | BMW | X6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 550i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 550i GT xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 550i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 650i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 650i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | M5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | M6 Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | X5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2016 | BMW | X6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 550i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 550i GT | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 550i GT xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 550i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 750i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 750i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 750Li | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | 750Li xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | M5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | M6 Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | X5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2015 | BMW | X6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 550i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 550i GT | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 550i GT xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 550i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 650i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 650i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 750i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 750i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 750Li | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | 750Li xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | M5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | M6 Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2014 | BMW | X5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 550i GT | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 550i GT xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 650i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 650i Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 650i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 650i xDrive Gran Coupe | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 750i | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 750i xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 750Li | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | 750Li xDrive | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | M5 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2013 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
| 2012 | BMW | M6 | 4.4L | V8 | N/A | Starter (Remanufactured) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.