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URO 31126758519PRM Suspension Control Arm - Front Left Lower
Overview of URO Replaceable Full-Metal Ball Joint Upgrade
The URO Replaceable Full-Metal Ball Joint Upgrade (part number 31126758519PRM) is designed specifically for front left lower suspension control arm applications on select BMW models. This pre-greased, bolt-in ball joint assembly offers a durable solution for maintaining precise suspension geometry and vehicle handling.
- Pre-greased ball joint for immediate use
- Bolt-in mounting type with threaded ball joint stud
- High strength steel ball joint housing
- Metal bearing material for enhanced durability
- Includes dust boot made of neoprene in black color
- Locking nut included for secure installation
- Compatible with BMW 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4 models
Product Line Details: Replaceable Full-Metal Ball Joint Upgrade
The Replaceable Full-Metal Ball Joint Upgrade line by URO focuses on providing robust suspension components with full-metal ball joints designed for longevity and reliable performance. This product line emphasizes replaceability and strength, featuring metal bearing materials and high strength steel housings to withstand demanding driving conditions. The 31126758519PRM part benefits from this design philosophy, offering a solid upgrade for BMW front left lower control arms.
Detailed Product Description
This suspension control arm assembly includes a pre-greased ball joint with a threaded stud sized M12x1.5 and M14x1.5, designed for bolt-in installation. The ball joint housing is constructed from high strength steel, while the bearing material is metal, ensuring durability under load. The included dust boot is made from neoprene, providing protection against contaminants and extending the life of the joint. Although grease fittings are not included and the ball joint is not greaseable after installation, the pre-greased design supports maintenance-free operation. The locking nut is included to secure the ball joint stud, with wrench sizes 19 and 22 applicable for installation.
Common Applications and Problem Solving
- Replacement of worn or damaged front left lower suspension control arm ball joints on compatible BMW models
- Addressing suspension noise or looseness caused by ball joint wear
- Improving steering response and alignment stability
- Restoring proper suspension geometry for safer handling
- Preventing premature wear due to dust and debris with neoprene dust boot
Installation Notes and Tips
- Designed for bolt-in installation; ensure proper torque specifications are followed
- Use appropriate wrench sizes (19mm and 22mm) for ball stud nut installation
- Verify compatibility with BMW 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, 330Ci, 330i, and Z4 models before installation
- Inspect surrounding suspension components during replacement for additional wear
- Alignment check recommended after installation
Quality Assurance
URO suspension components are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The Replaceable Full-Metal Ball Joint Upgrade line is engineered for durability with high strength materials and protective dust boots. While specific warranty details are not provided, URO products typically adhere to industry standards for quality and performance.
| Brand | URO |
|---|---|
| Part Number | 31126758519PRM |
| Position | Replaceable Full-Metal Ball Joint Upgrade, Front Left Lower |
| Pre-Greased | Yes |
| Grease Fitting Included | No |
| Bushings Included | No |
| Ball Joint Mounting Type | Bolt-in |
| Ball Joint Stud Type | Threaded |
| Ball Joint Included | Yes |
| Adjustable | No |
| Adjustment Range (Deg) | 45 |
| Ball Joint Bearing Material | Metal |
| Ball Joint Housing Material | High strength steel |
| Ball Stub Thread Size | M12x1.5 & m14x1.5 |
| Ball Stud Nut Wrench Size | 19 & 22 |
| C Clip Included | No |
| Castle Nut Included | No |
| Control Arm Position | Front left lower |
| Cotter Pin Included | No |
| Dust Boot Color | Black |
| Dust Boot Included | Yes |
| Dust Boot Material | Neoprene |
| Greaseable | No |
| Locking Nut Included | Yes |
| Weight | 6.85 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | BMW | Z4 | 3.0L | L6 | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade |
| 2007 | BMW | Z4 | 3.0L | L6 | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade |
| 2006 | BMW | 325Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2006 | BMW | 330Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2006 | BMW | 330i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2006 | BMW | Z4 | 3.0L | L6 | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade |
| 2005 | BMW | 325Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2005 | BMW | 325i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2005 | BMW | 330Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2005 | BMW | 330i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2005 | BMW | Z4 | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2004 | BMW | 325Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2004 | BMW | 325i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2004 | BMW | 330Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2004 | BMW | 330i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2004 | BMW | Z4 | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2003 | BMW | 325Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2003 | BMW | 325i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2003 | BMW | 330Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2003 | BMW | 330i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2003 | BMW | Z4 | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2002 | BMW | 325Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2002 | BMW | 325i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2002 | BMW | 330Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2002 | BMW | 330i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2001 | BMW | 325Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2001 | BMW | 325i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2001 | BMW | 330Ci | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2001 | BMW | 330i | Front Left Lower | Without Sport Suspension; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2000 | BMW | 323Ci | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2000 | BMW | 323i | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2000 | BMW | 328Ci | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 2000 | BMW | 328i | Front Left Lower | Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 1999 | BMW | 323i | Front Left Lower | Up to production 7/99, control arm bushings must be replaced due to a change in diameter size.; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade | ||
| 1999 | BMW | 328i | Front Left Lower | Up to production 7/99; Comes With Replaceable Full Metal Ball Joints vs OEM Rubber Insulated Ball Joints Prone to Failure; Easy to Replace Ball Joints Using Standard Tools; Replaceable Full-Metal Ball Joint Upgrade |
* 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.