BMW 5 E60 525i 530i M54 Rear Left N/S Hub Leg Carrier Brake Disc Caliper

BMW 5 E60 525i 530i M54 Rear Left N/S Hub Leg Carrier Brake Disc Caliper is a complete rear suspension and braking system component designed for installation on the driver's side. It is a practical service solution that allows for the simultaneous refreshment of key components responsible for vehicle handling, stability, and braking performance in your 5 Series.

Specifications and technical data

• SKU: 6770905-11
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770905
• Substitutable numbers: 33326770905, 6770905, 34216758057, 6758057, 34216864061, 6864061, 33217527322, 7527322, 33326754559, 6754559, 34216753215, 6753215, 34216772085, 6772085
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and function in the BMW 5 E60 suspension

The offered assembly is dedicated to BMW 5 E60 525i and 530i models and operates within the rear suspension area on the left side. It combines elements responsible for wheel guidance, transferring loads from the body to the road, and stable mounting of the braking system. As a result, it forms a cohesive module that facilitates service and reduces the risk of component mismatch.

Assembly construction: hub, steering knuckle, disc, and caliper

The set includes the rear left steering knuckle with a wheel hub and an integrated braking system consisting of a disc and caliper. This solution:

• ensures precise wheel guidance within the suspension axis,
• enables stable mounting of the bearing and braking components,
• facilitates the maintenance of proper rear axle geometry,
• speeds up replacement in case of mechanical damage or corrosion.

Combining these components into a single assembly is particularly beneficial for post-accident repairs or in cases of advanced wear of load-bearing and braking elements.

Benefits of using an original BMW assembly

The item comes from the BMW line, which ensures the preservation of factory geometry, appropriate rigidity, and compatibility with the stock suspension and braking system. In practice, this translates into:

• proper cooperation with stock control arms, shock absorbers, and sensors,
• stable vehicle behavior during braking and cornering,
• no issues with matching mounts and attachment points.

Thanks to this, the suspension replacement kit for this area allows for restoring the original driving characteristics without the need for vehicle structure modifications.

Condition, fitment, and service application

The product is in used condition, making it an attractive cost-effective alternative to new components while maintaining original BMW specifications. It is particularly useful in situations where:

• damage to the rear left side of the suspension has occurred,
• there is play or noise within the hub and steering knuckle area,
• simultaneous replacement of several braking and load-bearing system elements is necessary.

The complete assembly facilitates workshop work, reduces repair time, and limits the risk of installing incompatible parts from different sources.

Expanding BMW suspension upgrades

If you are planning a comprehensive repair or upgrade of the rear axle suspension zone in your BMW and need other elements from the same group, such as control arms, bushings, or additional mounts, check out the available parts in the BMW suspension replacement kits category.

Used components and repair quality

Choosing a used, original suspension and brake assembly is a reasonable compromise between cost and quality. With proper verification of the technical condition, it allows you to maintain the handling characteristic of BMW while limiting service expenses. If you want to learn more about the possibilities of using second-hand parts for repairs and modifications of premium cars, check out the article Audi on second-hand parts – tuning and repairs without losing quality, where we discuss a practical approach to such solutions.