TrakMotive BM-8131 CV Axle Shaft - Rear Left

Overview of TrakMotive CV Axle Shaft BM-8131

The TrakMotive CV Axle Shaft BM-8131 is engineered for reliable driveline performance in select BMW models. Designed to meet OEM specifications, this new CV axle shaft ensures consistent power transfer and durability for your vehicle.

• Compatible with BMW 528i, 528i xDrive, 535i xDrive, and 640i xDrive models
• Includes a stake-type locking axle nut with hex head design
• Neoprene boot material for enhanced joint protection
• Inboard joint features a male spline connection with 27 splines
• Outboard joint uses a conventional spline connection with 30 splines
• Overall compressed length of 29.92 inches (760 mm)
• Axle nut thread size M27 x 1.5 with 35.5 mm hex size

TrakMotive CV Axle Shaft Product Line Details

The TrakMotive CV Axle Shaft product line focuses on delivering dependable constant velocity components designed to maintain driveline integrity. This line emphasizes precise fitment and durable materials, such as neoprene boots and robust spline connections, to ensure smooth torque transfer and long service life. The BM-8131 model exemplifies these qualities with its specific design for BMW applications.

Technical Specifications and Features

This CV axle shaft features a neoprene boot that provides resistance against environmental contaminants and wear. The inboard joint is a male type with a spline connection consisting of 27 splines, while the outboard joint is conventional with 30 splines, ensuring secure and precise engagement. The included axle nut is a stake locking type with a hex head measuring 35.5 mm across flats and a height of 16 mm, designed to maintain secure fastening under operating conditions. The overall compressed length of 29.92 inches (760 mm) matches OEM dimensions for proper fitment in compatible BMW models.

Applications and Problem Resolution

• Replacement for worn or damaged CV axle shafts in BMW 528i, 528i xDrive, 535i xDrive, and 640i xDrive
• Addresses issues such as axle shaft vibration or clicking noises during turns
• Resolves grease leakage caused by torn or degraded CV boots
• Eliminates driveline binding or uneven power delivery
• Prevents axle nut loosening with stake locking design

Installation Notes and Tips

Ensure the axle nut torque specifications are followed according to BMW service guidelines when installing the BM-8131 CV axle shaft. The stake locking axle nut requires staking after proper torque to prevent loosening. Verify spline engagement on both inboard and outboard joints for secure fitment. Use appropriate tools for the 35.5 mm hex axle nut to avoid damage during installation.

Quality Assurance and Warranty

The TrakMotive CV Axle Shaft BM-8131 is a new, not remanufactured, component manufactured to meet or exceed OEM standards. It undergoes quality control inspections to ensure dimensional accuracy and material integrity. Warranty coverage details should be confirmed with the distributor or manufacturer.