BMW 6 E63 645Ci N62 Rear Left N/S Suspension Leg Wheel Hub Brake Caliper Disc

BMW 6 E63 645Ci N62 Rear Left N/S Suspension Leg Wheel Hub Brake Caliper Disc is a complete, used module designed for the rear axle on the driver's side. It combines components responsible for wheel guidance, load bearing, and effective braking, allowing for the efficient replacement of the entire assembly in a single service process. By maintaining factory geometry and construction, it serves as a functional service solution for demanding BMW 6 Series users.

Specifications and technical data

• SKU: 6763119-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6763120
• Substitutable numbers: 33326763119, 6763119, 33326754557, 6754557, 33207572683, 7572683, 33207521133, 7521133, 34216753679, 6753679, 34216763827, 6763827, 33326757765, 6757765, 33326770831, 6770831, 33207518869, 7518869, 33207520487, 7520487, 34210153505, 0153505
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and configuration of the set

The presented set belongs to the Suspension replacement kits group and is dedicated to the rear left axle of the BMW 6 E63 645Ci model with the N62 engine. Suspension elements, the wheel hub, and brake system components are integrated into a single module, which facilitates structural consistency and reduces the risk of part mismatch.

This solution is particularly beneficial for post-collision repairs, replacing worn components, or restoring proper suspension geometry when simultaneous intervention in several components within one wheel area is necessary.

Construction and function of the elements

The rear left suspension in this set is responsible for stable wheel guidance, transferring longitudinal and lateral forces, and maintaining the correct position of the hub relative to the body. The integrated wheel hub ensures axial seating of the rim and cooperation with the drivetrain or passive system, depending on the vehicle configuration.

The set also includes brake system components – the caliper and disc – which are responsible for effective speed reduction and stable vehicle behavior during braking. Combining these components into one module facilitates service because it:

• reduces the number of separately selected parts,
• makes it easier to maintain the correct alignment of individual elements relative to each other,
• speeds up assembly and disassembly in workshop conditions.

Benefits of using a used OEM set

The used BMW 6 E63 645Ci N62 Rear Left N/S Suspension Leg Wheel Hub Brake Caliper Disc allows for an economical repair while maintaining the original BMW construction. Compared to aftermarket replacements, parts sourced from factory disassembly usually better replicate the geometry and performance characteristics intended by the vehicle manufacturer.

The main advantages of this solution include:

• structural consistency of the entire rear left suspension and brake module,
• preservation of factory mounting points and the intended range of operation,
• the possibility of faster replacement of the entire assembly instead of repairing individual components.

Selection, compatibility, and reference numbers

The element was designed specifically for the BMW 6 Series E63 645Ci with the N62 unit and rear left placement on the vehicle. The technical specification includes the OEM part number and related interchangeable numbers, which facilitate verification of compatibility with a specific equipment version and car year. Before purchasing, it is worth comparing the markings with the vehicle data or consulting a mechanic to confirm full compatibility.

This approach minimizes the risk of installing an incorrect module and allows for maintaining the correct operating parameters of the suspension and brake system on the rear left side.

Practical assembly and maintenance tips

When installing the rear left suspension set with the hub, caliper, and brake disc, it is recommended to perform a full inspection of cooperating elements – bushings, mounting bolts, brake lines, and sensors, if present in the vehicle configuration. After completing the assembly work, it is necessary to perform a rear axle geometry adjustment and bleed the brake system.

For vehicles in the BMW 6 E63 645Ci N62 class, attention to the condition of the suspension and brakes has a direct impact on ride comfort, stability at higher speeds, and safety during intensive braking. Using a complete module on the rear left side helps restore the car's consistent behavior on the road.

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

For drivers considering the use of premium-class used components in other brands, an interesting addition to your knowledge might be an article describing the advantages of original parts from disassembly – you can find more on this topic in the material about used parts for Mercedes from disassembly.