HomeDriveline and Axles > CV ComponentsTrakMotive BM-8129 CV Axle Shaft - Front Left
Part #: BM-8129

TrakMotive BM-8129 CV Axle Shaft - Front Left

AAR CV Axle Shaft, Front Left
⚙️ 31 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦AAR CV Axle Shaft, Front Left
🚗Fitment: BMW, 640i xDrive, 650i xDrive, Alpina B6 xDrive Gran Coupe, 528i xDrive, 535i xDrive, and 550i xDrive
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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.

BrandTrakMotive
Part NumberBM-8129
PositionAAR CV Axle Shaft, Front Left
Abs Tone Ring IncludedNo
Axle Bolt Hex Size (mm)17
Axle Bolt Length (mm)83.5
Axle Bolt Thread SizeM16*1.5
Axle Nut IncludedNo
Boot MaterialNeoprene
Inboard Joint TypeMale
Inboard Shaft Connection StyleSpline
New Or RemanufacturedNew
Number Of Bolt Holes1
Number Of Inboard Splines27
Number Of Outboard Joint Bolt Holes1
Number Of Outboard Shaft Bolts1
Number Of Outboard Splines37
Outboard Joint TypeAudi Style Spline Bolt
Outboard Shaft Connection StyleSpline
Overall Compressed Length (in)22.09
Overall Compressed Length (mm)561

This part fits 31 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2019BMW640i Gran CoupeFront LeftOE AAR design; AAR CV Axle Shaft
2019BMW650i Gran CoupeFront LeftOE AAR design; AAR CV Axle Shaft
2018BMW640i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2018BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2017BMW640i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2017BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2016BMW528i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2016BMW535i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2016BMW550i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2016BMW640i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2016BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2015BMW528i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2015BMW535i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2015BMW550i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2015BMW640i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2015BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2014BMW528i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2014BMW535i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2014BMW550i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2014BMW640i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2014BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2013BMW528i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2013BMW535i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2013BMW550i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2013BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2012BMW528i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2012BMW535i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2012BMW550i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2012BMW650i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2011BMW535i xDriveAWDFront LeftUpdated Design; AAR CV Axle Shaft
2011BMW550i xDriveAWDFront LeftUpdated 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:

3160759304331607618681BM-8129BM10540ER

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.