OE Quality
60-Day Returns

TrakMotive BM-8042 CV Axle Shaft - Rear Left or Rear Right
Overview of TrakMotive CV Axle Shaft BM-8042
The TrakMotive CV Axle Shaft BM-8042 is engineered for reliable driveline performance in select BMW models. Designed to meet OEM specifications, this new axle shaft ensures consistent power transfer and durability for vehicles like the BMW 525i, 528i, 530i, and X1.
- Compatible with BMW 525i, 528i, 530i, and X1 models
- Includes axle nut with stake locking type for secure fitment
- Neoprene boot material for enhanced joint protection
- Hex head axle nut with M27*1.5 thread size
- Inboard bolt-on joint with 6 bolt holes and Allen head bolts
- Overall compressed length of 24.65 inches (626 mm)
TrakMotive CV Axle Shaft Product Line Details
The TrakMotive CV Axle Shaft product line focuses on delivering precise fit and reliable driveline components for various vehicle applications. This line emphasizes quality materials and exacting manufacturing standards to provide new CV axle shafts that maintain vehicle handling and drivetrain integrity. The BM-8042 is part of this line, offering a bolt-on inboard joint and conventional outboard joint design tailored for specific BMW models.
Technical Specifications and Features
This CV axle shaft features a neoprene boot that resists wear and environmental damage, helping to protect the constant velocity joints. The axle nut included is a hex head type measuring 5/8 inches (16 mm) in height and 1 2/5 inches (35.5 mm) across the flats, with a stake locking mechanism to prevent loosening. The inboard joint uses a bolt-on connection style with six M10*1.5 threaded Allen head bolts, each 2 1/6 inches (55 mm) long, ensuring a secure and stable attachment. The outboard joint is conventional with 30 splines, designed to fit the specified BMW models precisely. The overall compressed length of 24.65 inches (626 mm) matches OEM dimensions for proper fitment and function.
Applications and Problem Solving
- Replacement for worn or damaged CV axle shafts on BMW 525i, 528i, 530i, and X1
- Resolves issues related to axle shaft vibration or clicking noises during turns
- Addresses grease leakage or torn CV boots causing joint contamination
- Restores driveline stability and smooth power transfer to the wheels
- Prevents axle nut loosening with included stake locking nut
Installation Notes and Tips
Installation requires removal of the old axle shaft and proper torque application of the included axle nut and inboard bolts. The stake locking axle nut should be carefully staked after tightening to ensure it remains secure. Use appropriate tools for the hex and Allen head fasteners to avoid damage. Verify the overall compressed length matches the vehicle’s specifications before final assembly. It is recommended to inspect related suspension and drivetrain components during installation.
Quality Assurance and Warranty
The TrakMotive CV Axle Shaft BM-8042 is a new, not remanufactured, component manufactured to meet or exceed OEM standards. The use of durable neoprene boots and precision-machined joints supports long service life. While specific warranty details are not provided here, TrakMotive products typically come with manufacturer-backed quality assurance to ensure reliability and fitment for the listed BMW models.
| Brand | TrakMotive |
| Part Number | BM-8042 |
| Position | CV Axle Shaft, Rear Left |
| Abs Tone Ring Included | No |
| Axle Nut Head Type | Hex |
| Axle Nut Height (in) | 5/8 |
| Axle Nut Height (mm) | 16 |
| Axle Nut Hex Size (in) | 1 2/5 |
| Axle Nut Hex Size (mm) | 35.5 |
| Axle Nut Included | Yes |
| Axle Nut Length (in) | 1 3/5 |
| Axle Nut Length (mm) | 41 |
| Axle Nut Locking Type | Stake |
| Axle Nut Thread Size | M27*1.5 |
| Boot Material | Neoprene |
| Inboard Bolt Head Size (in) | 1/3 |
| Inboard Bolt Head Size (mm) | 8 |
| Inboard Bolt Head Type | Allen |
| Inboard Bolt Length (in) | 2 1/6 |
| Inboard Bolt Length (mm) | 55 |
| Inboard Bolt Thread Size | M10*1.5 |
| Inboard Joint Type | Bolt-On |
| Inboard Shaft Connection Style | Bolt-On |
| New Or Remanufactured | New |
| Number Of Inboard Joint Bolt Holes | 6 |
| Number Of Inboard Shaft Bolts | 6 |
| Number Of Outboard Splines | 30 |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Conventional |
| Overall Compressed Length (in) | 24.65 |
| Overall Compressed Length (mm) | 626 |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2015 | BMW | X1 | xDrive35i | 3.0L | L6 | Rear Left | CV Axle Shaft | |
| 2014 | BMW | X1 | xDrive35i | 3.0L | L6 | Rear Left | CV Axle Shaft | |
| 2013 | BMW | X1 | xDrive35i | 3.0L | L6 | Rear Left | CV Axle Shaft | |
| 2003 | BMW | 525i | RWD | Rear Right | CV Axle Shaft | |||
| 2003 | BMW | 525i | RWD | Rear Left | CV Axle Shaft | |||
| 2003 | BMW | 530i | RWD | Rear Right | CV Axle Shaft | |||
| 2003 | BMW | 530i | RWD | Rear Left | CV Axle Shaft | |||
| 2002 | BMW | 525i | RWD | Rear Right | CV Axle Shaft | |||
| 2002 | BMW | 525i | RWD | Rear Left | CV Axle Shaft | |||
| 2002 | BMW | 530i | RWD | Rear Right | CV Axle Shaft | |||
| 2002 | BMW | 530i | RWD | Rear Left | CV Axle Shaft | |||
| 2001 | BMW | 525i | RWD | Rear Right | CV Axle Shaft | |||
| 2001 | BMW | 525i | RWD | Rear Left | CV Axle Shaft | |||
| 2001 | BMW | 530i | RWD | Rear Right | CV Axle Shaft | |||
| 2001 | BMW | 530i | RWD | Rear Left | CV Axle Shaft | |||
| 2000 | BMW | 528i | RWD | Rear Right | CV Axle Shaft | |||
| 2000 | BMW | 528i | RWD | Rear Left | CV Axle Shaft | |||
| 1999 | BMW | 528i | RWD | Rear Right | CV Axle Shaft | |||
| 1999 | BMW | 528i | RWD | Rear Left | CV Axle Shaft | |||
| 1998 | BMW | 528i | RWD | Rear Right | CV Axle Shaft | |||
| 1998 | BMW | 528i | RWD | Rear Left | CV Axle Shaft | |||
| 1997 | BMW | 528i | RWD | Rear Right | CV Axle Shaft | |||
| 1997 | BMW | 528i | RWD | Rear Left | 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.