BMW F32 F33 420i N20 Rear Left N/S Wheel Suspension Leg Hub Brake Caliper

BMW F32 F33 420i N20 Suspension Strut Hub Caliper Left Rear 6797507 is a complete, used set of rear suspension components for the left side, designed for BMW 4 Series F32/F33 420i models with the N20 engine. This solution allows for a consistent replacement of key components in one area, facilitating servicing and helping to maintain proper vehicle geometry and stability.

Specifications and technical data

• SKU: 6797507-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6797507
• Substitutable numbers: 33326797507, 6797507, 33416867265, 6867265, 33207609351, 7609351, 34216850857, 6850857, 34216864900, 6864900, 33416797497, 6797497, 34216792229, 6792229
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and Fitment for BMW 4 Series

The presented set from the Suspension Replacement Kits category has been designed for the left rear axle of the BMW 4 Series F32/F33 420i version with the N20 engine. It includes integrated suspension and braking system elements, allowing for a cohesive replacement of the entire module in one vehicle area, without the need to source parts from different suppliers.

The vehicle location specified as rear – left side simplifies correct component selection during collision repair, suspension refurbishment, or restoration of the car's original handling parameters.

Set Construction and Function of Individual Elements

The set combines a suspension strut, wheel hub, and brake caliper, forming a cohesive working module for the rear axle. This combination:

• facilitates maintaining the correct alignment of elements relative to each other,
• reduces the risk of assembly errors when replacing individual parts separately,
• speeds up the servicing process in workshop conditions.

Thanks to this solution, key mounting points for the wheel, suspension elements, and braking system can be restored in one stage, which is crucial for stability, driving comfort, and safety.

Benefits of Using an Original Used Set

An original BMW component ensures proper fitment with the body structure and chassis of the 4 Series F32/F33. Using a factory solution allows for maintaining:

• compliance with factory mounting points and suspension geometry,
• consistent operation of the braking system with the vehicle's safety systems,
• the handling characteristics intended by the manufacturer.

A used set can be an attractive cost-effective alternative to new components, especially for post-accident repairs or comprehensive rear axle refurbishment, while maintaining appropriate quality and technical compatibility.

Vehicle Location and Installation Aspects

The component is intended for the rear left side of the vehicle, which is crucial when planning repairs after unilateral damage (e.g., hitting a curb, side collision). Clearly defined vehicle placement reduces the risk of errors in part selection and allows the mechanic to focus on correct installation and subsequent geometry alignment.

In workshop practice, using a complete module of suspension, hub, and caliper on one side also facilitates comparison with the other side of the axle and inspection of wear on other components.

Assistance with Selection and Repair Extension

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other parts from the same group, such as additional suspension struts, hubs, or calipers, check the available parts in the BMW Suspension Replacement Kits category.

To better plan the scope of work and make informed decisions about using parts from the secondary market, it is worth familiarizing yourself with practical tips on the construction and selection of suspension elements – these are discussed in detail in the article “Stock vs. Sport Suspension – Differences in Construction and Is It Worth Buying Used Suspension Parts?”.