PowerStop L2771 Disc Brake Caliper - Front Left

PowerStop Front OE Stock Replacement Caliper Overview

The PowerStop - Front OE Stock Replacement Caliper (Part Number L2771) is engineered to provide reliable braking performance for select BMW models. Designed as a direct replacement for front disc brake calipers, this component ensures consistent stopping power and durability.

• Caliper Type: Floating
• Caliper Casting Material: Aluminum
• Piston Quantity: 1 with 60mm diameter
• Piston Material: Steel
• Caliper Color: Gray
• Caliper Slides Included
• Mounting Bracket Included
• Inlet Thread Size: M10 x 1.0
• Bleeder Screw Thread Size: M10 x 1.0
• Grade Type: Regular

Product Line Details: PowerStop - Front OE Stock Replacement Caliper

This caliper is part of the PowerStop - Front OE Stock Replacement Caliper line, which focuses on providing OEM-equivalent components for front brake systems. The line emphasizes compatibility and quality materials, such as aluminum castings and steel pistons, to match original equipment specifications for a range of BMW vehicles.

Technical Description and Features

The L2771 caliper features a floating design that allows for smooth and even brake pad wear. Its aluminum casting reduces unsprung weight, contributing to better vehicle handling. The single 60mm steel piston ensures effective hydraulic pressure application, while the included caliper slides and mounting bracket facilitate proper installation and alignment. The gray finish offers corrosion resistance and a clean appearance. Thread sizes for the inlet and bleeder screw are standardized at M10 x 1.0, compatible with OEM brake lines and fittings.

Compatible BMW Models and Applications

• BMW 535i
• BMW 545i
• BMW 550i
• BMW 645Ci
• BMW 650i
• BMW 745i
• BMW 745Li
• BMW 750i
• BMW 750Li
• BMW 760i
• BMW 760Li

This caliper is designed specifically for front brake systems on these BMW models, ensuring proper fitment and performance.

Common Issues Addressed by This Caliper

• Worn or seized front brake calipers causing uneven pad wear
• Brake fluid leaks from damaged piston seals
• Reduced braking efficiency due to corroded or damaged caliper bodies
• Brake drag caused by sticking caliper slides
• Noise or vibration from faulty caliper components

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old caliper. Verify that the mounting bracket included matches your vehicle’s specifications. Use compatible brake fluid and bleed the system thoroughly after installation to remove air. Check inlet and bleeder screw thread sizes (M10 x 1.0) for proper hose and bleeder screw compatibility. Although mounting hardware is not included, reuse existing hardware if in good condition or replace with OEM parts.

Quality Assurance and Warranty

PowerStop manufactures this caliper to meet OEM standards for fit, form, and function. The use of aluminum casting and steel piston materials ensures durability and corrosion resistance. While specific warranty details are not provided, PowerStop products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.