BMW F20 F21 F30 F31 M Sport Rear Left N/S Brake Caliper Housing Carrier

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F30 F31 M Sport Rear Left N/S Brake Caliper Housing Carrier is an original BMW braking system component, designed for installation on the rear left axle in M Sport versions. This used brake caliper ensures factory mounting geometry and proper brake pad guidance, which translates into stable, predictable braking and consistency with other system components.

Specifications and technical data

• SKU: 6799461-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6799461
• Substitutable numbers: 34216799461, 6799461
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and fitment for BMW F-series

The presented caliper has been designed specifically for BMW F-series platforms in the M Sport variant, with the vehicle position specified as rear – left side. This ensures compliance with the factory mounting spacing, disc diameter, and braking system performance characteristics intended by the manufacturer.

Its original origin from the Brake calipers and carriers group means that the component works correctly with stock brake discs, pads, and brake lines, without the need for modifications or adaptations. This is particularly important in cars with a sporty character, where braking force stability and even pad wear have a direct impact on safety.

Technical and functional characteristics

The rear left M Sport caliper is responsible for precisely pressing the pad against the disc during braking, and its construction is adapted to the loads generated by dynamic driving. Maintaining the proper rigidity of the housing and the correct operation of the guide pins reduces the risk of uneven pad wear and disc overheating.

The component has been designed to:

• ensure stable, repeatable performance across the entire operating temperature range,
• maintain the correct position of the pad relative to the disc,
• work with the factory ABS system and electronic stability control systems,
• allow for service (pad replacement, bleeding) in accordance with manufacturer procedures.

Benefits of using an original M Sport caliper

Choosing an original, used M Sport caliper for the BMW F-series allows you to maintain the consistency of the entire braking system with the factory specification. This is a beneficial solution both in technical and economic terms – you receive a component with predictable operating parameters, matched to a specific suspension and brake configuration.

The main advantages include:

• Factory fitment – no need for mounting or brake line adaptations.
• Compatibility with the M Sport system – maintaining the braking characteristics intended for the sports version.
• Consistency with other components – correct cooperation with discs, pads, and vehicle electronics.

Professional application and safety

Due to its key role in the braking system, the installation of the caliper should be entrusted to a workshop with experience in BMW F-series models. Proper bleeding, inspection of the condition of the lines, and verification of the piston and guide pin operation are essential to fully utilize the potential of this component and maintain a high level of safety.

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other elements from the same group, such as additional calipers, carriers, or mounting hardware, check the available parts in the BMW Brake calipers and carriers category.

Expert support and selection of used components

When selecting used braking system components, it is worth following proven technical condition inspection procedures to maintain an appropriate safety margin and avoid unnecessary costs. Detailed tips on evaluating calipers, discs, and ABS components can be found in the article "Second-hand braking system: how to safely choose discs, calipers, and ABS?", which serves as a practical checklist for users choosing parts in the online store.