Part #: SR9523X

Bosch SR9523X Starter Motor

Starter (Remanufactured)
77 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$286.81Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Starter (Remanufactured)
Fitment: BMW, Alpina B7, 650i Gran Coupe, 650i xDrive Gran Coupe, Alpina B6 xDrive Gran Coupe, M6 Gran Coupe, X6, 650i, 650i xDrive, M6, X5, 550i GT xDrive, 550i, 550i xDrive, Alpina B6 Gran Coupe, M5, 550i GT, 750i, 750i xDrive, 750Li, 750Li xDrive, Alpina B7 xDrive, Alpina B7L, and Alpina B7L xDrive
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandBosch
Part NumberSR9523X
PositionStarter (Remanufactured)
Cases Per Pallet (ORLY)125
Mounting Bolt Hole Quantity2
Mounting Hardware IncludedNo
Mounting Shims IncludedNo
New Or RemanufacturedRemanufactured
Nose Cone MaterialAluminum
Nose Cone TypeClosed Nose
Original Equipment Manufacturer NamesBO
Power Rating1.6
Solenoid AttachedYes
Starter FinishAluminum
Starter RotationClockwise
Tooth Quantity10
Voltage12

This part fits 77 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2019BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2019BMWM6 Gran Coupe4.4LV8N/AStarter (Remanufactured)
2019BMWX64.4LV8N/AStarter (Remanufactured)
2018BMW650i4.4LV8N/AStarter (Remanufactured)
2018BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2018BMW650i xDrive4.4LV8N/AStarter (Remanufactured)
2018BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2018BMWM64.4LV8N/AStarter (Remanufactured)
2018BMWM6 Gran Coupe4.4LV8N/AStarter (Remanufactured)
2018BMWX54.4LV8N/AStarter (Remanufactured)
2018BMWX64.4LV8N/AStarter (Remanufactured)
2017BMW550i GT xDrive4.4LV8N/AStarter (Remanufactured)
2017BMW650i4.4LV8N/AStarter (Remanufactured)
2017BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2017BMW650i xDrive4.4LV8N/AStarter (Remanufactured)
2017BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2017BMWM64.4LV8N/AStarter (Remanufactured)
2017BMWM6 Gran Coupe4.4LV8N/AStarter (Remanufactured)
2017BMWX54.4LV8N/AStarter (Remanufactured)
2017BMWX64.4LV8N/AStarter (Remanufactured)
2016BMW550i4.4LV8N/AStarter (Remanufactured)
2016BMW550i GT xDrive4.4LV8N/AStarter (Remanufactured)
2016BMW550i xDrive4.4LV8N/AStarter (Remanufactured)
2016BMW650i4.4LV8N/AStarter (Remanufactured)
2016BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2016BMW650i xDrive4.4LV8N/AStarter (Remanufactured)
2016BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2016BMWM54.4LV8N/AStarter (Remanufactured)
2016BMWM64.4LV8N/AStarter (Remanufactured)
2016BMWM6 Gran Coupe4.4LV8N/AStarter (Remanufactured)
2016BMWX54.4LV8N/AStarter (Remanufactured)
2016BMWX64.4LV8N/AStarter (Remanufactured)
2015BMW550i4.4LV8N/AStarter (Remanufactured)
2015BMW550i GT4.4LV8N/AStarter (Remanufactured)
2015BMW550i GT xDrive4.4LV8N/AStarter (Remanufactured)
2015BMW550i xDrive4.4LV8N/AStarter (Remanufactured)
2015BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2015BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2015BMW750i4.4LV8N/AStarter (Remanufactured)
2015BMW750i xDrive4.4LV8N/AStarter (Remanufactured)
2015BMW750Li4.4LV8N/AStarter (Remanufactured)
2015BMW750Li xDrive4.4LV8N/AStarter (Remanufactured)
2015BMWM54.4LV8N/AStarter (Remanufactured)
2015BMWM64.4LV8N/AStarter (Remanufactured)
2015BMWM6 Gran Coupe4.4LV8N/AStarter (Remanufactured)
2015BMWX54.4LV8N/AStarter (Remanufactured)
2015BMWX64.4LV8N/AStarter (Remanufactured)
2014BMW550i4.4LV8N/AStarter (Remanufactured)
2014BMW550i GT4.4LV8N/AStarter (Remanufactured)
2014BMW550i GT xDrive4.4LV8N/AStarter (Remanufactured)
2014BMW550i xDrive4.4LV8N/AStarter (Remanufactured)
2014BMW650i4.4LV8N/AStarter (Remanufactured)
2014BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2014BMW650i xDrive4.4LV8N/AStarter (Remanufactured)
2014BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2014BMW750i4.4LV8N/AStarter (Remanufactured)
2014BMW750i xDrive4.4LV8N/AStarter (Remanufactured)
2014BMW750Li4.4LV8N/AStarter (Remanufactured)
2014BMW750Li xDrive4.4LV8N/AStarter (Remanufactured)
2014BMWM54.4LV8N/AStarter (Remanufactured)
2014BMWM64.4LV8N/AStarter (Remanufactured)
2014BMWM6 Gran Coupe4.4LV8N/AStarter (Remanufactured)
2014BMWX54.4LV8N/AStarter (Remanufactured)
2013BMW550i GT4.4LV8N/AStarter (Remanufactured)
2013BMW550i GT xDrive4.4LV8N/AStarter (Remanufactured)
2013BMW650i4.4LV8N/AStarter (Remanufactured)
2013BMW650i Gran Coupe4.4LV8N/AStarter (Remanufactured)
2013BMW650i xDrive4.4LV8N/AStarter (Remanufactured)
2013BMW650i xDrive Gran Coupe4.4LV8N/AStarter (Remanufactured)
2013BMW750i4.4LV8N/AStarter (Remanufactured)
2013BMW750i xDrive4.4LV8N/AStarter (Remanufactured)
2013BMW750Li4.4LV8N/AStarter (Remanufactured)
2013BMW750Li xDrive4.4LV8N/AStarter (Remanufactured)
2013BMWM54.4LV8N/AStarter (Remanufactured)
2013BMWM64.4LV8N/AStarter (Remanufactured)
2012BMWM64.4LV8N/AStarter (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:

1241761281512417618620

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.