Bosch SR0448N Starter Motor
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Bosch
 Starter (New)

Bosch SR0448N Starter Motor

Brand Bosch SR0448N
Mounting Bolt Hole Quantity 2
Mounting Hardware Included No
Mounting Shims Included No
New Or Remanufactured New
Nose Cone Material Aluminum
Original Equipment Manufacturer Names BO
Power Rating 1.4
Product Height 5.413386 in
Product Length 8.409449 in
Product Width 4.92126 in
Solenoid Attached Yes
Starter Finish Aluminum
Starter Rotation Clockwise
Tooth Quantity 9
Voltage 12
Product line Starter (New)
Fits BMW · 113 vehicles

OE direct replacement. New Bosch starter built for dependable starting performance.

Aluminum nose cone. Lightweight construction helps support durability and heat resistance.

Integrated solenoid. Simplifies installation with the solenoid already attached.

Cross-references 1241170373, 12411712937 and 12411740374 for the same application. See all 4.

$236.43Free shipping
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Order total $236.43
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Bosch SR0448N Starter for BMW Applications

The Bosch SR0448N is a new 12-volt starter built for BMW vehicles that need dependable cranking performance and OE-style fitment. This Bosch Premium Starter is engineered, built, and tested for consistent starting reliability in daily driving conditions.

Key Features

  • 12-volt starter with 1.4 power rating
  • Clockwise starter rotation
  • Integrated solenoid attached
  • Aluminum nose cone and aluminum finish
  • 2 mounting bolt holes for proper alignment
  • 9-tooth drive design
  • New starter, not remanufactured

Detailed Product Overview

The Bosch SR0448N starter is designed for BMW 325Ci, 330Ci, X3, 325i, 325xi, 330i, 330xi, 525i, 530i, Z4, Z3, 323Ci, 323i, 328Ci, 328i, 528i, 318i, 318is, 318ti, 323is, 328is, and M3 applications listed in the fitment data. It is a direct replacement starter for vehicles across the 1992-2006 model years, including BMW 325i and 328i applications. The Bosch SR0448N part number is also referenced by OE-style interchange numbers for select BMW starting systems.

This starter is built with an aluminum nose cone, attached solenoid, clockwise rotation, and a 9-tooth drive to match the original starting system requirements on listed BMW models. Bosch Premium Starters are produced to deliver consistent performance and reliability in electrical starting service.

This part cross-references Bosch OE-style numbers 1241170373 and 12417515390 for the same application.

What This Starter Helps Address

  • Slow or weak engine cranking
  • No-start condition caused by starter failure
  • Intermittent starter engagement
  • Grinding or inconsistent starter drive operation
  • Electrical starting issues on BMW 3 Series, 5 Series, Z3, Z4, X3, and M3 models

Installation Notes and Tips

Verify the vehicle’s year, model, and starter configuration before installation. This Bosch starter uses 2 mounting bolt holes, includes an attached solenoid, and does not include mounting hardware or shims. Confirm clockwise rotation and 9-tooth drive engagement against the original unit before bolting the starter into place.

Quality Assurance

Bosch Premium Starters are manufactured and tested for dependable starting performance and reliability. The SR0448N is a new starter assembly built to meet the demands of BMW electrical starting systems listed in the fitment data.

This part fits 113 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2006BMW325Ci—2.5LL6N/AStarter (New)
2006BMW325CiConvertible2.5LL6N/AStarter (New)
2006BMW330Ci—3.0LL6N/AStarter (New)
2006BMWX3—3.0LL6N/AStarter (New)
2006BMWX3—2.5LL6N/AStarter (New)
2005BMW325Ci—2.5LL6N/AStarter (New)
2005BMW325CiConvertible2.5LL6N/AStarter (New)
2005BMW325i—2.5LL6N/AStarter (New)
2005BMW325xi—2.5LL6N/AStarter (New)
2005BMW330Ci—3.0LL6N/AStarter (New)
2005BMW330i—3.0LL6N/AStarter (New)
2005BMW330xi—3.0LL6N/AStarter (New)
2005BMW525i—2.5LL6N/AStarter (New)
2005BMW530i—3.0LL6N/AStarter (New)
2005BMWX3—2.5LL6N/AStarter (New)
2005BMWX3—3.0LL6N/AStarter (New)
2005BMWZ4—2.5LL6N/AStarter (New)
2005BMWZ4—3.0LL6N/AStarter (New)
2004BMW325Ci—2.5LL6N/AStarter (New)
2004BMW325CiConvertible2.5LL6N/AStarter (New)
2004BMW325i—2.5LL6N/AStarter (New)
2004BMW325xi—2.5LL6N/AStarter (New)
2004BMW330Ci—3.0LL6N/AStarter (New)
2004BMW330i—3.0LL6N/AStarter (New)
2004BMW330xi—3.0LL6N/AStarter (New)
2004BMW525i—2.5LL6N/AStarter (New)
2004BMW530i—3.0LL6N/AStarter (New)
2004BMWX3—2.5LL6N/AStarter (New)
2004BMWX3—3.0LL6N/AStarter (New)
2004BMWZ4—2.5LL6N/AStarter (New)
2004BMWZ4—3.0LL6N/AStarter (New)
2003BMW325Ci—2.5LL6N/AStarter (New)
2003BMW325CiCoupe2.5LL6N/AStarter (New)
2003BMW325i—2.5LL6N/AStarter (New)
2003BMW325xi—2.5LL6N/AStarter (New)
2003BMW330Ci—3.0LL6N/AStarter (New)
2003BMW330i—3.0LL6N/AStarter (New)
2003BMW330xi—3.0LL6N/AStarter (New)
2003BMW530i—3.0LL6N/AStarter (New)
2003BMWZ4—2.5LL6N/AStarter (New)
2003BMWZ4—3.0LL6N/AStarter (New)
2002BMW325Ci—2.5LL6N/AStarter (New)
2002BMW325i—2.5LL6N/AStarter (New)
2002BMW325xi—2.5LL6N/AStarter (New)
2002BMW330Ci—3.0LL6N/AStarter (New)
2002BMW330i—3.0LL6N/AStarter (New)
2002BMW330xi—3.0LL6N/AStarter (New)
2002BMW530i—3.0LL6N/AStarter (New)
2002BMWZ3—3.0LL6N/AStarter (New)
2002BMWZ3—2.5LL6N/AStarter (New)
2001BMW325Ci—2.5LL6N/AStarter (New)
2001BMW325i—2.5LL6N/AStarter (New)
2001BMW325xi—2.5LL6N/AStarter (New)
2001BMW330Ci—3.0LL6N/AStarter (New)
2001BMW330i—3.0LL6N/AStarter (New)
2001BMW330xi—3.0LL6N/AStarter (New)
2001BMW530i—3.0LL6N/AStarter (New)
2001BMWZ3—3.0LL6N/AStarter (New)
2001BMWZ3—3.2LL6N/AStarter (New)
2001BMWZ3—2.5LL6N/AStarter (New)
2000BMW323Ci—2.5LL6N/AStarter (New)
2000BMW323i—2.5LL6N/AStarter (New)
2000BMW328Ci—2.8LL6N/AStarter (New)
2000BMW328i—2.8LL6N/AStarter (New)
2000BMW528i—2.8LL6N/AStarter (New)
2000BMWZ3—2.8LL6N/AStarter (New)
2000BMWZ3—3.2LL6N/AStarter (New)
2000BMWZ3—2.5LL6N/AStarter (New)
1999BMW318i—1.9LL4N/AStarter (New)
1999BMW318is—1.9LL4N/AStarter (New)
1999BMW318ti—1.9LL4N/AStarter (New)
1999BMW323i—2.5LL6N/AStarter (New)
1999BMW323is—2.5LL6N/AStarter (New)
1999BMW328i—2.8LL6N/AStarter (New)
1999BMW328is—2.8LL6N/AStarter (New)
1999BMW528i—2.8LL6N/AStarter (New)
1999BMWM3—3.2LL6N/AStarter (New)
1999BMWZ3—2.8LL6N/AStarter (New)
1999BMWZ3—3.2LL6N/AStarter (New)
1999BMWZ3—2.5LL6N/AStarter (New)
1998BMW318i—1.9LL4N/AStarter (New)
1998BMW318is—1.9LL4N/AStarter (New)
1998BMW318ti—1.9LL4N/AStarter (New)
1998BMW328i—2.8LL6N/AStarter (New)
1998BMW328is—2.8LL6N/AStarter (New)
1998BMW528i—2.8LL6N/AStarter (New)
1998BMWM3—3.2LL6N/AStarter (New)
1998BMWZ3—3.2LL6N/AStarter (New)
1998BMWZ3—1.9LL4N/AStarter (New)
1998BMWZ3—2.8LL6N/AStarter (New)
1997BMW318i—1.9LL4N/AStarter (New)
1997BMW318is—1.9LL4N/AStarter (New)
1997BMW318ti—1.9LL4N/AStarter (New)
1997BMW328i—2.8LL6N/AStarter (New)
1997BMW328is—2.8LL6N/AStarter (New)
1997BMW528i—2.8LL6N/AStarter (New)
1997BMWM3—3.2LL6N/AStarter (New)
1997BMWZ3—1.9LL4N/AStarter (New)
1997BMWZ3—2.8LL6N/AStarter (New)
1996BMW318i—1.9LL4N/AStarter (New)
1996BMW318is—1.9LL4N/AStarter (New)
1996BMW318ti—1.9LL4N/AStarter (New)
1996BMW328i—2.8LL6N/Awith Bosch Unit; Starter (New)
1996BMW328is—2.8LL6N/AStarter (New)
1996BMWZ3—1.9LL4N/AStarter (New)
1995BMW318i—1.8LL4N/AStarter (New)
1995BMW318is—1.8LL4N/AStarter (New)
1995BMW318ti—1.8LL4N/AStarter (New)
1994BMW318is—1.8LL4N/AStarter (New)
1994BMW325i—2.5LL6N/AStarter (New)
1993BMW318is—1.8LL4N/AStarter (New)
1993BMW325i—2.5LL6N/AStarter (New)
1992BMW318is—1.8LL4N/AStarter (New)
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1241170373124117129371241174037412417515390