GKN Loebro 305159 CV Axle Assembly - Rear Left or Rear Right

OE-Style Rear CV Axle for BMW

GKN Loebro 305159 is a rear CV axle assembly built with OE technology for BMW driveline service. It is engineered for precise fitment on rear left and rear right applications across select BMW 5 Series and 6 Series models, including BMW 535i, BMW 550i, BMW 650i, BMW 535xi, BMW 545i, and BMW 645Ci.

With a compressed length of 26.377, 30 outboard splines, and a plunging joint design at both ends, this axle assembly is specified for controlled articulation and drivetrain movement. The included axle nut and M27x1.5 thread specification support a direct replacement approach for the listed BMW rear axle applications.

Key Features

• Part number 305159 for rear axle service on select BMW applications
• Rear left and rear right fitment listed for multiple BMW models
• Plunging joint VL design on both inboard and outboard ends
• 30 outboard splines for the specified driveline interface
• Compressed length: 26.377
• Axle nut included with M27x1.5 thread size
• Inboard joint mount hole quantity: 6

Detailed Description

GKN Loebro 305159 is a CV axle assembly developed for rear driveline replacement on select BMW vehicles. It is listed for 2004-2005 BMW 545i, 2004-2005 BMW 645Ci, 2006-2010 BMW 650i, 2006-2009 BMW 550i, 2008-2009 BMW 535i, 2008 BMW 535xi, and 2010 BMW 535i and 550i in rear left or rear right positions as shown in the fitment data. This part cross-references BMW OE numbers 33207572429 and 33207572430 for the same application.

GKN Automotive supplies driveline components to a large share of global vehicle manufacturers, and this axle assembly reflects that OE-focused approach with application-specific dimensions and joint geometry. For BMW 535i, BMW 550i, and BMW 650i rear axle service, part number 305159 is specified to match the listed vehicle configurations.

What This Part Helps Address

• Clicking or popping noises from a worn rear CV joint
• Vibration during acceleration from a damaged axle shaft
• Grease leakage from a failed CV boot or joint seal
• Excessive play in the rear driveline assembly
• Driveline noise caused by worn splines or joint wear

Installation Notes and Tips

Verify rear left or rear right position, model year, and the joint shaft dimensions before installation. Confirm spline count, axle nut thread size, and mounting-hole configuration against the removed part to ensure the correct BMW rear CV axle assembly is selected. Inspect related suspension and hub components during service, since worn supporting parts can shorten the life of the replacement axle.

Quality Assurance

GKN Loebro is part of GKN Automotive, a driveline manufacturer known for OE-oriented axle and CV joint solutions used across combustion, hybrid, and electric vehicle platforms. Part number 305159 is built to the listed application specifications for BMW rear axle replacement.