Brake Caliper BMW E87 LCI E90 E91 Front Left N/S Housing Carrier 54/24

Brake Caliper BMW E87 LCI E90 E91 Front Left N/S Housing Carrier is an original component from the Brake Calipers and Carriers group, designed for installation on the front axle on the driver's side. The 54/24 type construction ensures stable pad guidance and repeatable braking force, which translates into predictable brake system performance during daily operation.

Specifications and technical data

• SKU: 6776527-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6776527
• Substitutable numbers: 34116776527, 6776527, 34116772017, 6772017, 34116769097, 6769097, BG
• Location on the vehicle: Front, Left
• Category: Calipers & Brackets

Purpose and BMW compatibility

The presented caliper has been designed specifically for BMW 1 Series E87 LCI and 3 Series E90 / E91 models, taking into account the geometry of the front suspension and the characteristics of the factory brake system. The placement on the vehicle is front – left side, which allows for precise fitment to the steering knuckle, brake disc, and brake line without the need for modifications.

Thanks to the use of the original BMW design, the correct mounting points, appropriate body rigidity, and compatibility with stock pads and discs intended for this axle configuration are maintained.

Construction and technical parameters of the 54/24 caliper

The 54/24 type caliper uses a guide and body system optimized for uniform pressure of the pad against the disc. This type of solution reduces the risk of uneven pad wear and improves the stability of braking force during repeated, frequent braking.

Key design features:

• body adapted for operation in the front brake system of the BMW E87 LCI / E90 / E91,
• housing carrier ensuring proper pad guidance,
• mounting point layout consistent with the factory front axle steering knuckle.

This configuration facilitates assembly and service while allowing the vehicle's factory braking parameters to be maintained.

Characteristics of the used component

The offered caliper is a used part, meaning it comes from vehicle dismantling and may show signs of wear typical for this group of parts. This solution is often chosen for economical repairs when the priority is to maintain the original BMW design while optimizing costs.

Before installation, standard service procedures typical for brake calipers are recommended: checking the condition of guides, seals, working surfaces, and – if necessary – applying appropriate high-temperature lubricants and new consumables (pads, mounting bolts in accordance with the vehicle manufacturer's recommendations).

Brake system application and safety

A functional brake caliper on the front axle has a direct impact on vehicle stability during braking, even distribution of forces to the left and right sides, and the effectiveness of assistance systems such as ABS or traction control. A properly selected component from this group helps to reduce phenomena such as vehicle pulling during braking, excessive disc overheating, or uneven pad wear.

To better plan the selection of used brake components, including calipers, it is worth using the practical tips contained in the blog article "Second-hand brake system: how to safely choose discs, calipers, and ABS?", where the most important aspects of inspection and selection of such parts are discussed step by step.

BMW brake system expansion

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

By using components from the same design group, it is easier to maintain the technical consistency of the entire system, which translates into predictable vehicle behavior and simpler service in the future.