HomeKarlyn 12-551 Suspension Control Arm Bushing - Rear Upper Outer
Part #: 12-551

Karlyn 12-551 Suspension Control Arm Bushing - Rear Upper Outer

Karlyn-STI Control Arm Bushing, Rear Upper Outer
⚙️ 111 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Karlyn-STI Control Arm Bushing, Rear Upper Outer
🚗Fitment: BMW, 318i, 323Ci, 323i, 325Ci, 325i, 325xi, 328Ci, 328i, 330Ci, 330i, 330xi, M3, and Z4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Karlyn-STI Suspension Control Arm Bushing

The Karlyn-STI Suspension Control Arm Bushing 12-551 is engineered for precision and durability, designed specifically for various BMW models including the 318i, 325i, and M3. Crafted from aluminum with a silver finish, this bushing offers a reliable solution for maintaining suspension integrity and vehicle handling.

  • Constructed from lightweight, corrosion-resistant aluminum
  • Silver color finish for enhanced durability and aesthetics
  • Compatible with multiple BMW models such as 318i, 325xi, 330Ci, M3, and Z4
  • Part number 12-551 ensures exact fitment and quality
  • Part of the Karlyn-STI product line designed for suspension components

Detailed Product Description

The Karlyn-STI Suspension Control Arm Bushing 12-551 is manufactured using high-grade aluminum, providing a balance of strength and weight reduction. The silver finish not only protects against corrosion but also contributes to the part’s longevity under demanding driving conditions. This bushing is designed to replace worn or damaged control arm bushings on BMW vehicles, restoring proper suspension geometry and improving ride quality. Its precise fitment supports models including the BMW 318i, 323Ci, 325Ci, 328i, 330xi, M3, and Z4, ensuring compatibility across a broad range of applications.

The Karlyn-STI product line focuses on suspension components engineered to meet the specific needs of performance and daily driving. This line emphasizes material quality and fitment accuracy, making the 12-551 bushing a dependable choice for maintaining suspension control and vehicle stability.

Common Applications and Problem Solving

  • Reduces suspension noise caused by worn bushings
  • Restores proper control arm alignment and handling
  • Eliminates excessive vibration and harshness in the suspension system
  • Prevents premature tire wear due to suspension misalignment
  • Improves overall vehicle stability and steering response

Installation Notes and Tips

  • Ensure the vehicle is securely lifted and supported before beginning installation
  • Remove the old bushing carefully to avoid damage to the control arm
  • Use appropriate tools to press the new aluminum bushing into place
  • Verify proper alignment of the control arm after installation
  • Consult the vehicle’s service manual for torque specifications and procedures

Quality Assurance and Warranty

The Karlyn-STI Suspension Control Arm Bushing 12-551 is manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details are not provided, Karlyn products typically undergo rigorous testing to comply with OEM requirements and industry standards.

BrandKarlyn
Part Number12-551
PositionKarlyn-STI Control Arm Bushing, Rear Upper Outer
ColorSilver
MaterialAluminum

This part fits 111 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2016BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2016BMW330i2.0LL4GASRear Upper OuterKarlyn-STI Control Arm Bushing
2016BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2016BMWZ4Rear Upper OuterKarlyn-STI Control Arm Bushing
2015BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2015BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2015BMWZ4Rear Upper OuterKarlyn-STI Control Arm Bushing
2014BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2014BMWZ4Rear Upper OuterKarlyn-STI Control Arm Bushing
2013BMW325i3.0LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2013BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2013BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2013BMWZ4Rear Upper OuterKarlyn-STI Control Arm Bushing
2012BMW325i3.0LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2012BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2012BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2012BMWZ4Rear Upper OuterKarlyn-STI
2011BMW323iRear Upper OuterKarlyn-STI Control Arm Bushing
2011BMW325i3.0LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2011BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2011BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2011BMWZ4Rear Upper OuterKarlyn-STI
2010BMW323iRear Upper OuterKarlyn-STI Control Arm Bushing
2010BMW325iBase2.5LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2010BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2010BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2010BMWZ4Rear Upper OuterKarlyn-STI
2009BMW323iRear Upper OuterKarlyn-STI Control Arm Bushing
2009BMW325iBase2.5LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2009BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2009BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2009BMWZ4Rear Upper OuterKarlyn-STI
2008BMW323iRear Upper OuterKarlyn-STI Control Arm Bushing
2008BMW325iBase2.5LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2008BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2008BMWM3Rear Upper OuterKarlyn-STI Control Arm Bushing
2008BMWZ4Rear Upper OuterKarlyn-STI
2007BMW323iRear Upper OuterKarlyn-STI Control Arm Bushing
2007BMW325iBase2.5LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2007BMW328iRear Upper OuterKarlyn-STI Control Arm Bushing
2007BMW330iBase3.0LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2007BMWZ4Rear Upper OuterKarlyn-STI
2006BMW323iRear Upper OuterKarlyn-STI Control Arm Bushing
2006BMW325CiRear Upper OuterKarlyn-STI
2006BMW325iRear Upper OuterKarlyn-STI
2006BMW325xiRear Upper OuterKarlyn-STI Control Arm Bushing
2006BMW330CiRear Upper OuterKarlyn-STI
2006BMW330i3.0LL6GASRear Upper OuterKarlyn-STI Control Arm Bushing
2006BMW330xiRear Upper OuterKarlyn-STI Control Arm Bushing
2006BMWM3Rear Upper OuterKarlyn-STI
2006BMWZ4Rear Upper OuterKarlyn-STI
2005BMW325CiRear Upper OuterKarlyn-STI
2005BMW325iRear Upper OuterKarlyn-STI
2005BMW325xiRear Upper OuterKarlyn-STI
2005BMW330CiRear Upper OuterKarlyn-STI
2005BMW330iRear Upper OuterKarlyn-STI
2005BMW330xiRear Upper OuterKarlyn-STI
2005BMWM3Rear Upper OuterKarlyn-STI
2005BMWZ4Rear Upper OuterKarlyn-STI
2004BMW325CiRear Upper OuterKarlyn-STI
2004BMW325iRear Upper OuterKarlyn-STI
2004BMW325xiRear Upper OuterKarlyn-STI
2004BMW330CiRear Upper OuterKarlyn-STI
2004BMW330iRear Upper OuterKarlyn-STI
2004BMW330xiRear Upper OuterKarlyn-STI
2004BMWM3Rear Upper OuterKarlyn-STI
2004BMWZ4Rear Upper OuterKarlyn-STI
2003BMW325CiRear Upper OuterKarlyn-STI
2003BMW325iRear Upper OuterKarlyn-STI
2003BMW325xiRear Upper OuterKarlyn-STI
2003BMW330CiRear Upper OuterKarlyn-STI
2003BMW330iRear Upper OuterKarlyn-STI
2003BMW330xiRear Upper OuterKarlyn-STI
2003BMWM3Rear Upper OuterKarlyn-STI
2003BMWZ4Rear Upper OuterKarlyn-STI
2002BMW325CiRear Upper OuterKarlyn-STI
2002BMW325iRear Upper OuterKarlyn-STI
2002BMW325xiRear Upper OuterKarlyn-STI
2002BMW330CiRear Upper OuterKarlyn-STI
2002BMW330iRear Upper OuterKarlyn-STI
2002BMW330xiRear Upper OuterKarlyn-STI
2002BMWM3Rear Upper OuterKarlyn-STI
2001BMW325CiRear Upper OuterKarlyn-STI
2001BMW325iRear Upper OuterKarlyn-STI
2001BMW325xiRear Upper OuterKarlyn-STI
2001BMW330CiRear Upper OuterKarlyn-STI
2001BMW330iRear Upper OuterKarlyn-STI
2001BMW330xiRear Upper OuterKarlyn-STI
2000BMW323CiRear Upper OuterKarlyn-STI
2000BMW323iRear Upper OuterKarlyn-STI
2000BMW328CiRear Upper OuterKarlyn-STI
2000BMW328iRear Upper OuterKarlyn-STI
1999BMW318iRear Upper OuterKarlyn-STI
1999BMW323iRear Upper OuterKarlyn-STI
1999BMW328iRear Upper OuterKarlyn-STI
1999BMWM3Rear Upper OuterKarlyn-STI
1998BMW318iRear Upper OuterKarlyn-STI
1998BMWM3Rear Upper OuterKarlyn-STI
1997BMW318iRear Upper OuterKarlyn-STI
1997BMWM3Rear Upper OuterKarlyn-STI
1996BMW318iRear Upper OuterKarlyn-STI
1996BMWM3Rear Upper OuterKarlyn-STI
1995BMW318iRear Upper OuterKarlyn-STI
1995BMW325iRear Upper OuterKarlyn-STI
1995BMWM3Rear Upper OuterKarlyn-STI
1994BMW318iRear Upper OuterKarlyn-STI
1994BMW325iRear Upper OuterKarlyn-STI
1993BMW318iRear Upper OuterKarlyn-STI
1993BMW325iRear Upper OuterKarlyn-STI
1992BMW318iRear Upper OuterKarlyn-STI
1992BMW325iRear Upper OuterKarlyn-STI

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.