BMW E87 E90 Brake Caliper Rear Wheel Left N/S Caliper Housing Carrier 42/20

The BMW E87/E90 Rear Left Brake Caliper is an original part from the Brake Calipers and Brackets category, designed for installation on the rear axle on the driver's side. This used caliper is a functional service solution for BMW vehicles, ensuring proper pad guidance and stable brake system operation. It's a practical choice for users seeking OEM parts with proven geometry and fit.

Specifications and technical data

• SKU: 6768697-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6768697
• Substitutable numbers: 34216768697, 6768697, 34216768696, 6768696, BG, 61316803965, 6803965, 61319346841, 9346841, 61319339220, 9339220, 61319311218, 9311218, 61319192744, 9192744
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Vehicle Application and Placement

The presented caliper is designed for installation on the rear left side, which is crucial for the correct routing of the brake line, bleed nipple, and caliper bracket mounting. Its dedicated placement minimizes the risk of incorrect installation and facilitates the mechanic's work, while also maintaining the factory braking characteristics of the rear axle.

This part is intended for BMW E87 and E90 series models, where the brake system design requires a suitable caliper body and carrier (bracket) with the correct geometry. This ensures compatibility with the factory steering knuckle mounting and the type of brake pads specified by the manufacturer.

Brake Caliper Construction and Function

The BMW E87/E90 Rear Left Brake Caliper is responsible for precisely pressing the pads against the rotor during braking. Its body and carrier ensure stable pad guidance within the caliper. The design anticipates cooperation with a piston of a specific working diameter, which translates to appropriate braking force and even pad wear.

Key functions of this component include:

• maintaining a constant, axial position of the pads relative to the rotor,
• ensuring smooth movement of the guide pins in the bracket,
• stabilizing brake system operation under varying loads,
• transferring braking forces to the steering knuckle and vehicle suspension.

Thanks to its OEM factory design, the caliper works with original brake lines and mounting elements, simplifying installation and reducing the need for additional modifications.

Benefits of Using an Original BMW Caliper

Using an original BMW brake caliper on the rear axle offers several practical service advantages:

• Factory Fitment – maintaining the original geometry of mountings and guides, ensuring proper cooperation with the rotor and pads.
• Consistent Brake System Operation – even distribution of braking force between the left and right sides of the rear axle.
• Compatibility with Safety Systems – designed to work with factory stability control and ABS systems in the specific model.
• Reduced risk of noise and vibration due to proper pad guidance in the bracket.

A used OEM part is often chosen as a sensible compromise between cost and maintaining the original brake system performance parameters, especially in daily driven vehicles.

Selection, Installation, and Operational Safety

When selecting a rear left caliper for BMW E87/E90, it's important to check for compatibility with the OEM part number and interchangeable numbers to avoid installation and caliper bracket fitment issues. It's also helpful to verify its placement on the vehicle and compare the body design with the removed element.

To better prepare for purchasing a used brake system component and to verify key inspection points, it's recommended to consult a practical guide. A detailed list of steps can be found in the article Used Brake Systems: How to Safely Choose Rotors, Calipers, and ABS?.

If you are considering whether a new aftermarket part or a used OEM component would be a better solution for your needs, a comparison of costs and durability described in the material New or Used? A Comparison of Car Part Costs and Quality may be helpful.

Related BMW Brake Calipers

If you are upgrading your entire BMW brake system and also need other parts from the same group, such as additional calipers for the other side of the axle or compatible caliper brackets, check the available parts in the BMW Brake Calipers and Brackets category.