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TrakMotive BM-8129 CV Axle Shaft - Front Left
Overview of TrakMotive AAR CV Axle Shaft BM-8129
The TrakMotive AAR CV Axle Shaft BM-8129 is designed for select BMW models, including the 528i xDrive, 535i xDrive, 550i xDrive, 640i Gran Coupe, 640i xDrive, 650i Gran Coupe, and 650i xDrive. This new CV axle shaft provides reliable driveline performance with precise fitment and durable construction.
- Compatible with BMW 528i xDrive, 535i xDrive, 550i xDrive, 640i Gran Coupe, 640i xDrive, 650i Gran Coupe, and 650i xDrive
- Part number BM-8129 for exact replacement
- Neoprene boot material for enhanced durability
- Inboard joint type: Male with 27 splines
- Outboard joint type: Audi style spline bolt with 37 splines
- Axle bolt hex size: 17 mm, length: 83.5 mm, thread size: M16*1.5
- Overall compressed length: 561 mm (22.09 inches)
- New, not remanufactured
About the AAR CV Axle Shaft Product Line
The AAR CV Axle Shaft line by TrakMotive focuses on delivering precise fit and reliable performance for driveline and axle components. This product line emphasizes quality materials such as neoprene boots and spline connection styles that match OEM specifications. The BM-8129 model is part of this line, ensuring compatibility and durability for BMW xDrive and Gran Coupe models.
Detailed Product Description
The TrakMotive BM-8129 CV axle shaft features a neoprene boot designed to resist wear and environmental damage. The inboard joint uses a male type with 27 splines, while the outboard joint employs an Audi style spline bolt with 37 splines, ensuring secure and precise shaft connections. The axle bolts have a hex size of 17 mm, a length of 83.5 mm, and a thread size of M16*1.5, matching OEM specifications for proper installation. This CV axle shaft is new and engineered to maintain driveline integrity and smooth power transfer in compatible BMW models.
Common Applications and Issues Addressed
- Replacement for worn or damaged CV axle shafts on BMW 528i xDrive and 535i xDrive
- Restores driveline stability and reduces vibration in 550i xDrive and 640i Gran Coupe
- Addresses torn or leaking CV boots on 640i xDrive and 650i Gran Coupe
- Fixes clicking or popping noises during turns in 650i xDrive
- Improves overall drivetrain performance and safety
Installation Notes and Tips
- Verify compatibility with your specific BMW model and year before installation
- Use the correct axle bolt hex size (17 mm) and torque specifications
- Inspect surrounding components such as wheel bearings and suspension parts during replacement
- Ensure spline connections are clean and properly aligned to avoid premature wear
- Professional installation is recommended for optimal performance and safety
Quality Assurance and Warranty
The TrakMotive AAR CV Axle Shaft BM-8129 is manufactured to meet or exceed OEM standards. It is supplied new and undergoes quality checks to ensure durability and fitment accuracy. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.
| Brand | TrakMotive |
| Part Number | BM-8129 |
| Position | AAR CV Axle Shaft, Front Left |
| Abs Tone Ring Included | No |
| Axle Bolt Hex Size (mm) | 17 |
| Axle Bolt Length (mm) | 83.5 |
| Axle Bolt Thread Size | M16*1.5 |
| Axle Nut Included | No |
| Boot Material | Neoprene |
| Inboard Joint Type | Male |
| Inboard Shaft Connection Style | Spline |
| New Or Remanufactured | New |
| Number Of Bolt Holes | 1 |
| Number Of Inboard Splines | 27 |
| Number Of Outboard Joint Bolt Holes | 1 |
| Number Of Outboard Shaft Bolts | 1 |
| Number Of Outboard Splines | 37 |
| Outboard Joint Type | Audi Style Spline Bolt |
| Outboard Shaft Connection Style | Spline |
| Overall Compressed Length (in) | 22.09 |
| Overall Compressed Length (mm) | 561 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2019 | BMW | 640i Gran Coupe | Front Left | OE AAR design; AAR CV Axle Shaft | |
| 2019 | BMW | 650i Gran Coupe | Front Left | OE AAR design; AAR CV Axle Shaft | |
| 2018 | BMW | 640i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2018 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2017 | BMW | 640i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2017 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2016 | BMW | 528i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2016 | BMW | 535i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2016 | BMW | 550i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2016 | BMW | 640i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2016 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2015 | BMW | 528i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2015 | BMW | 535i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2015 | BMW | 550i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2015 | BMW | 640i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2015 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2014 | BMW | 528i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2014 | BMW | 535i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2014 | BMW | 550i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2014 | BMW | 640i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2014 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2013 | BMW | 528i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2013 | BMW | 535i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2013 | BMW | 550i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2013 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2012 | BMW | 528i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2012 | BMW | 535i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2012 | BMW | 550i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2012 | BMW | 650i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2011 | BMW | 535i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
| 2011 | BMW | 550i xDrive | AWD | Front Left | Updated Design; AAR CV Axle Shaft |
* 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.