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Karlyn
Karlyn-STI Control Arm BushingKarlyn 12-551 Suspension Control Arm Bushing - Rear Upper Outer
| Brand | Karlyn 12-551 |
|---|---|
| Position | Rear Upper Outer |
| Color | Silver |
| Material | Aluminum |
| Product line | Karlyn-STI Control Arm Bushing |
| Fits | BMW · 111 vehicles |
Aluminum construction. Adds strength with a clean silver finish.
Control arm bushing. Helps restore suspension articulation and stability.
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Karlyn-STI Rear Upper Outer Bushing
The Karlyn 12-551 is a suspension control arm bushing for the rear upper outer position. Built from aluminum with a silver finish, it is specified for BMW rear suspension applications that need a precise replacement bushing for the control arm assembly.
Karlyn-STI is the product line used for application-specific suspension components, including bushings for BMW chassis platforms. This part number, 12-551, is listed for a wide range of BMW 3 Series, M3, and Z4 rear upper outer applications.
Key Features
- Suspension control arm bushing for the rear upper outer position
- Aluminum construction with a silver finish
- Direct-fit application coverage for select BMW rear suspension setups
- Part number 12-551 for catalog and fitment lookup
- Fits BMW 328i, 330i, 325i, M3, Z4, and related models in listed years
Fitment Details
- Fits 2007-2016 BMW 328i, rear upper outer.
- Fits 2016 BMW 330i, rear upper outer.
- Fits 2006-2007 BMW 330i, rear upper outer.
- Fits 2015-2016 BMW M3, rear upper outer.
- Fits 2008-2013 BMW M3, rear upper outer.
- Fits 2013-2016 BMW Z4, rear upper outer.
- Fits 2007-2013 BMW 325i, rear upper outer.
- Fits 2003-2012 BMW Z4, rear upper outer.
- Fits 2006-2011 BMW 323i, rear upper outer.
- Fits 2001-2006 BMW 325Ci, rear upper outer.
- Fits 2001-2006 BMW 325i, rear upper outer.
- Fits 1992-1995 BMW 325i, rear upper outer.
- Fits 2006 BMW 325xi, rear upper outer.
- Fits 2001-2006 BMW 330Ci, rear upper outer.
- Fits 2006 BMW 330xi, rear upper outer.
- Fits 2002-2006 BMW M3, rear upper outer.
- Fits 1995-1999 BMW M3, rear upper outer.
- Fits 2001-2005 BMW 325xi, rear upper outer.
- Fits 2001-2005 BMW 330i, rear upper outer.
- Fits 2001-2005 BMW 330xi, rear upper outer.
- Fits 2000 BMW 323Ci, rear upper outer.
- Fits 1999-2000 BMW 323i, rear upper outer.
- Fits 2000 BMW 328Ci, rear upper outer.
- Fits 1999-2000 BMW 328i, rear upper outer.
- Fits 1992-1999 BMW 318i, rear upper outer.
What This Bushing Helps Address
- Rear suspension looseness at the control arm mounting point
- Excessive play in the rear upper outer bushing location
- Clunks or noise from worn BMW rear suspension bushings
- Uneven rear suspension response caused by bushing wear
- Restoration work on BMW 3 Series, M3, and Z4 rear control arm assemblies
Installation Notes and Tips
Verify the rear upper outer position before ordering, since this part is application-specific. Compare the existing bushing and control arm mounting point to the vehicle listing for your BMW 328i, 330i, 325i, M3, or Z4. Professional installation is recommended for suspension bushings because removal and pressing procedures can require specialized tools and alignment checks after service.
Quality Assurance
Manufactured under the Karlyn-STI product line for BMW suspension applications, this bushing is cataloged by exact fitment and position to support accurate replacement selection. Part number 12-551 should be matched to the vehicle listing before installation.
This part fits 111 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2016 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2016 | BMW | 330i | — | 2.0L | L4 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2016 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2016 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2015 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2015 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2015 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2014 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2014 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2013 | BMW | 325i | — | 3.0L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2013 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2013 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2013 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2012 | BMW | 325i | — | 3.0L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2012 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2012 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2012 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2011 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2011 | BMW | 325i | — | 3.0L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2011 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2011 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2011 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2010 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2010 | BMW | 325i | Base | 2.5L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2010 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2010 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2010 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2009 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2009 | BMW | 325i | Base | 2.5L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2009 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2009 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2009 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2008 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2008 | BMW | 325i | Base | 2.5L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2008 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2008 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2008 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2007 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2007 | BMW | 325i | Base | 2.5L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2007 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2007 | BMW | 330i | Base | 3.0L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2007 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2006 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2006 | BMW | 325Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2006 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2006 | BMW | 325xi | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2006 | BMW | 330Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2006 | BMW | 330i | — | 3.0L | L6 | GAS | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2006 | BMW | 330xi | — | — | — | — | Rear Upper Outer | Karlyn-STI Control Arm Bushing |
| 2006 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2006 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | 325Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | 325xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | 330Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | 330i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | 330xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2005 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | 325Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | 325xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | 330Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | 330i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | 330xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2004 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | 325Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | 325xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | 330Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | 330i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | 330xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2003 | BMW | Z4 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | 325Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | 325xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | 330Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | 330i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | 330xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2002 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2001 | BMW | 325Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2001 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2001 | BMW | 325xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2001 | BMW | 330Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2001 | BMW | 330i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2001 | BMW | 330xi | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2000 | BMW | 323Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2000 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2000 | BMW | 328Ci | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 2000 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1999 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1999 | BMW | 323i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1999 | BMW | 328i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1999 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1998 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1998 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1997 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1997 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1996 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1996 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1995 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1995 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1995 | BMW | M3 | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1994 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1994 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1993 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1993 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1992 | BMW | 318i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
| 1992 | BMW | 325i | — | — | — | — | Rear Upper Outer | Karlyn-STI |
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