GKN Loebro 305949 CV Axle Assembly - Front Right

Overview of GKN Loebro CV Axle Assembly 305949

The GKN Loebro CV Axle Assembly 305949 is engineered for precise fitment with select BMW models, including the 550i xDrive, 650i xDrive, and 650i xDrive Gran Coupe. Designed to maintain drivetrain integrity, this CV axle assembly supports smooth power transfer and reliable vehicle performance.

• Compressed length: 34.251 inches
• Inboard spline quantity: 27 splines
• Outboard spline quantity: 37 splines
• Inboard joint type: Plunging joint AAR
• Outboard joint type: Facespline-ST
• Axle nut thread size: M16x1.5 (axle nut not included)

Technical Details and Specifications

This CV axle assembly (part number 305949) features a 34.251-inch compressed length, ensuring proper fitment and alignment within the driveline system of compatible BMW vehicles. The inboard joint utilizes a plunging joint AAR design, allowing for axial movement and accommodating suspension travel. The outboard joint is a facespline-ST type, providing a secure connection to the wheel hub. With 27 inboard splines and 37 outboard splines, this axle assembly ensures a precise fit to the transmission and wheel hub components. Note that the axle nut is not included, and the required thread size is M16x1.5.

Compatible BMW Models and Applications

This CV axle assembly is specifically compatible with the following BMW models:

• BMW 550i xDrive
• BMW 650i xDrive
• BMW 650i xDrive Gran Coupe

It is designed to replace worn or damaged CV axle assemblies in these vehicles, restoring driveline function and vehicle handling.

Common Issues Addressed by This CV Axle Assembly

• Eliminates clicking or popping noises during turns caused by worn CV joints
• Resolves vibration or shuddering under acceleration due to axle imbalance or joint wear
• Prevents grease leakage from torn CV boots
• Restores smooth power transfer to the wheels
• Corrects axle length and spline fitment issues affecting driveline alignment

Installation Notes and Tips

• Verify spline counts and axle length match vehicle specifications before installation
• Use the correct M16x1.5 axle nut torque specifications during assembly (axle nut not included)
• Inspect surrounding suspension and drivetrain components for wear during replacement
• Ensure proper seating of plunging and facespline joints to avoid premature wear

Quality Assurance and Warranty

GKN Loebro CV axle assemblies are manufactured to meet OEM standards for durability and performance. While specific warranty details may vary, these parts typically come with a limited warranty covering defects in materials and workmanship. Using a genuine GKN Loebro part like the 305949 helps maintain the integrity of your BMW 550i xDrive, 650i xDrive, or 650i xDrive Gran Coupe driveline system.