Corteco 49401545 - Beam Axle Mount

Product Overview

The Corteco 49401545 is a replacement beam axle mount engineered for BMW 5 Series, 6 Series, and 7 Series sedans and coupes from 2009 to 2014. This mount connects the rear axle assembly to the vehicle frame, absorbing vibration and maintaining proper axle alignment. Corteco is a trusted OEM-equivalent supplier of suspension and drivetrain components, and this part meets factory specifications for reliable, long-lasting performance.

Symptoms of a Failing Beam Axle Mount

• Clunking or banging noise from the rear axle area during acceleration or deceleration
• Excessive vibration felt in the cabin, especially at highway speeds
• Noticeable play or movement in the rear axle when rocking the vehicle side to side
• Uneven tire wear caused by misaligned axle geometry
• Difficulty maintaining a straight line or pulling to one side

Cross Reference Numbers

This Corteco 49401545 is equivalent to or replaces the following part numbers: 3331679057, 33316790573, 3331677578, 33316775780, 3470901, 34709 01, 20945803, 3147100020, 314 710 0020, FSK7923, TD1761W, 45803.

Vehicle Compatibility

This part fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• BMW 5 Series Sedan 3.0 L6 Gas (F10): 2010–2011
• BMW 5 Series Sedan 2.0 L4 Gas (F10): 2012–2013
• BMW 5 Series Sedan 3.0 L6 Gas (F10): 2012–2014
• BMW 5 Series Sedan 3.0 L6 Diesel (F10): 2014
• BMW 5 Series GT 3.0 L6 Gas (F07): 2010–2014
• BMW 5 Series GT 4.4 V8 Gas (F07): 2010–2013
• BMW 6 Series Coupe 3.0 L6 Gas (F13): 2012–2014
• BMW 6 Series Coupe 4.4 V8 Gas (F13): 2012–2014
• BMW 6 Series Gran Coupe 3.0 L6 Gas (F06): 2013–2014
• BMW 6 Series Gran Coupe 4.4 V8 Gas (F06): 2013–2014
• BMW 7 Series Sedan 3.0 L6 Gas (F01): 2009–2012
• BMW 7 Series Sedan 4.4 V8 Gas (F01): 2009–2014
• BMW 7 Series Sedan 6.0 V12 Gas (F01): 2010–2014
• BMW Alpina B7 4.4 V8 Gas (F01): 2011–2012

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

Often Replaced Together

For a complete rear suspension repair, many owners replace the following at the same time:

• Rear axle bushings and subframe mounts
• Rear shock absorbers or struts
• Sway bar links and control arm bushings
• Wheel bearings and brake components

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Frequently Asked Questions

How do I know if my BMW 5 Series or 7 Series beam axle mount is failing?

The most common signs are clunking noises from the rear when accelerating or braking, excessive vibration at highway speeds, and play in the rear axle when you rock the vehicle side to side. A failed mount can also cause the rear axle to shift slightly, leading to uneven tire wear and handling issues. If you notice any of these symptoms, have the mount inspected and replaced promptly to prevent further damage to the suspension.

Do I need to replace both rear axle mounts at the same time?

Yes. Beam axle mounts are typically replaced in pairs (left and right) to maintain balanced suspension geometry and prevent uneven wear. Replacing only one side can lead to handling issues and accelerated wear on the other mount. For optimal results and longevity, replace both mounts during a single service visit.

What tools and equipment do I need to replace this mount?

You will need a floor jack, jack stands, a torque wrench, a socket set, and basic hand tools. Depending on your vehicle model, you may also need a ball joint separator or control arm puller. A lift is highly recommended for safety and ease of access to the rear axle assembly. If you are unfamiliar with suspension work, have a professional technician perform the replacement to ensure proper torque specifications and alignment.

What is the difference between OEM and aftermarket beam axle mounts?

OEM mounts are produced to exact factory specifications and are typically more expensive. Corteco aftermarket mounts meet or exceed OEM performance standards at a lower price point, making them a cost-effective alternative for routine maintenance. Both types should provide the same durability and handling characteristics when installed correctly.

Will replacing the beam axle mount affect my vehicle's alignment?

Yes, the rear axle mount is critical to maintaining proper suspension geometry. After replacement, have a professional alignment check performed to ensure the rear axle is correctly positioned. Proper alignment protects tire life and maintains the vehicle's handling characteristics.

How long does a beam axle mount typically last?

Beam axle mounts typically last 80,000 to 120,000 miles under normal driving conditions. Aggressive driving, rough roads, and towing can accelerate wear. Regular suspension inspections during routine maintenance help catch failing mounts before they cause secondary damage to other components.

Order Corteco 49401545 today. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your BMW.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.