BMW 4 F32 F33 418d 420d Rear Left N/S Wheel Suspension Leg Hub Brake Caliper

BMW 4 F32 F33 418d 420d Rear Left N/S Wheel Suspension Leg Hub Brake Caliper is an original component from the Suspension replacement kits group, including the suspension leg, wheel hub, and brake caliper. This is a practical solution for users who want to restore the correct geometry and stability of the rear axle without the tedious process of sourcing individual components.

Specifications and technical data

• SKU: 6797507
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6797507
• Substitutable numbers: 33326797507, 6797507, 33416867265, 6867265, 33208680347, 8680347, 34216850857, 6850857, 34216864900, 6864900, 33416797497, 6797497, 33207597681, 7597681, 34216792229, 6792229
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and fitment for BMW 4 Series

The presented assembly is designed for the rear left side of the vehicle, which is crucial for maintaining correct suspension geometry and even brake system performance. The design corresponds to the factory solution used in the BMW 4 Series F32/F33 in 418d and 420d versions, ensuring that the components work with the stock rear subframe, control arms, and ABS/DSC system according to the manufacturer's specifications.

Its original BMW origin helps maintain proper joint stiffness, precise wheel tracking, and predictable vehicle behavior during braking and dynamic maneuvers.

Assembly construction: leg, hub, caliper

The assembly includes a suspension leg, integrated with a wheel hub and a brake caliper. This combination allows for:

• consistent load transfer from the body to the wheel,
• stable mounting of the brake disc and wheel on the hub,
• proper interaction between the caliper and the brake disc.

Thanks to this solution, the mechanic receives an assembly that can be installed as a whole, which reduces the risk of installation errors and shortens repair time compared to replacing individual sub-components.

Benefits of using an original used assembly

The original, used BMW rear left wheel suspension assembly provides a number of practical advantages compared to aftermarket replacements or the refurbishment of individual elements:

• Factory geometry – maintaining original mounting points and suspension operating angles promotes driving stability and even tire wear.
• Brake system compatibility – the caliper is matched to stock discs and pads, which makes it easier to maintain even braking force on the axle.
• Service time savings – installing the complete assembly limits the number of workshop operations, which is beneficial for both the mechanic and the vehicle owner.
• Material consistency – all elements come from one system, which reduces the risk of unwanted play or noise.

Application in accident and maintenance repairs

Such a suspension assembly is particularly useful for repairs after mechanical damage or collisions, when the leg is bent, the hub is damaged, or there are issues with caliper operation. Using a complete module allows you to, in one step:

• restore the correct wheel alignment relative to the body,
• reduce vibrations and noise resulting from hub damage,
• stabilize brake operation on the rear left axle.

This solution also works well during intensive use, when replacing individual elements does not bring the expected result and it is necessary to refresh the entire suspension module in that corner of the vehicle.

Condition, verification, and compliance with reference numbers

The item comes from the used BMW parts group, which means that before being put back on the market, it is verified for suitability for further use. The assembly has a dedicated OEM part number and associated interchangeable numbers, which facilitates matching to a specific BMW 4 Series F32/F33 418d 420d configuration and minimizes the risk of purchasing an incorrect component.

Before installation, standard service procedures are recommended: checking the condition of mounts, brake lines, and performing rear axle geometry after the work is completed to fully utilize the potential of this solution.

If you are planning a comprehensive repair or upgrade of the rear suspension area in your BMW and need other elements from the same group, such as suspension legs, wheel hubs, or complete modules with calipers, check the available parts in the BMW suspension replacement kits category.

To better plan your repair budget and make informed choices between refurbishment and purchasing original used components, it is worth reading the guide on our blog: Manual transmission failures in cars – why is an original used part a more sensible choice than refurbishment?