PowerStop L3329 Disc Brake Caliper - Rear Right

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L3329) is designed to provide reliable braking performance for select BMW models. Engineered as a direct replacement for rear disc brake calipers, this part ensures consistent stopping power and durability.

• Compatible with BMW 330Ci, 330i, 330xi, 335d, 335i, 335is, 335i xDrive, 335xi, and X1 models
• Constructed from cast iron for strength and heat resistance
• Floating caliper design with one steel piston (43.89 mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M8 x 1.25 bleeder screw thread size
• Grade type: Regular for standard braking applications

About the PowerStop - Rear OE Stock Replacement Caliper Line

The PowerStop - Rear OE Stock Replacement Caliper line focuses on delivering OEM-equivalent quality and fitment for rear brake systems. This product line is tailored to meet the exact specifications of original equipment, ensuring compatibility and reliable performance for vehicles like the BMW 3 Series and X1. The L3329 caliper maintains the original floating caliper design and material composition, providing a direct replacement without modification.

Product Details and Specifications

This disc brake caliper features a cast iron construction that offers durability and effective heat dissipation during braking. The floating caliper type includes one steel piston with a diameter of 43.89 mm, designed to apply even pressure to the brake pads. The caliper slides are included to facilitate smooth movement and proper alignment. The gray color finish matches OEM aesthetics, and the mounting bracket is included to simplify installation. The bleeder screw thread size is M8 x 1.25, compatible with standard brake bleeding tools.

Common Applications and Problem Solving

• Replacement for worn or seized rear calipers on BMW 330Ci, 330i, 335i, and X1 models
• Addresses uneven brake pad wear caused by faulty caliper slides
• Resolves brake drag issues due to piston or caliper malfunction
• Restores proper brake fluid pressure and pedal feel
• Improves rear braking performance and vehicle safety

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. Verify that the mounting bracket is securely fastened and that caliper slides move freely to prevent uneven pad wear. Use compatible brake pads and follow manufacturer torque specifications for mounting hardware. The bleeder screw thread size M8 x 1.25 requires the appropriate wrench for brake bleeding procedures.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM standards for fit, form, and function. The cast iron construction and steel piston materials are selected for durability and consistent braking performance. While specific warranty details are not provided, PowerStop products typically undergo rigorous quality control to ensure reliability in automotive brake hydraulics applications.