BMW F30 328i Rear Axle Assembly OEM 33207637444 or 33207637445

Restore dependable rear drivetrain performance with this BMW F30 328i rear axle assembly, manufactured by NTN to OEM standards. This rear axle assembly is designed to provide accurate fitment, smooth power transfer, and reliable operation for compatible BMW applications. It is an ideal replacement for a worn, damaged, or noisy original rear axle component.

This listing covers the OEM rear axle part numbers 33 20 7 637 444 and 33 20 7 637 445. Please select the correct side for your vehicle before ordering: BMW part number 33207637444 is for the passenger side, while BMW part number 33207637445 is for the driver side. Confirm the required side and compare the original part number with your vehicle records to help ensure a proper match.

• NTN OEM-quality rear axle assembly for dependable fit, function, and durability.
• Designed for compatible BMW F30 328i rear drivetrain applications.
• Available for either the passenger side, part number 33207637444, or driver side, part number 33207637445.
• Helps replace worn axle components and maintain smooth rear-wheel power delivery.

Important fitment note: This rear axle assembly is intended only for vehicles equipped with an automatic transmission (option S205A) or sport automatic transmission (option S2TBA). It will not fit manual-transmission.

Cross-reference numbers include DK50.005, DK50005, DK50.006, and DK50006. These references may correspond to different side applications, so use the OEM BMW part number as the primary method of identification. A correct replacement rear axle can support proper drivetrain operation and help reduce vibration, clicking, or looseness caused by a failing original unit. Professional installation is recommended for proper removal, installation, and torque procedures.