PowerStop L3226 Disc Brake Caliper - Rear Left

PowerStop Rear OE Stock Replacement Caliper Overview

The PowerStop - Rear OE Stock Replacement Caliper (Part Number L3226) is designed to provide reliable braking performance for select BMW models. Engineered as a direct replacement for rear disc brake calipers, this component ensures consistent stopping power and durability.

• Compatible with BMW 325i, 325xi, 328i, 328i xDrive, 328xi, and X1 models
• Constructed from durable cast iron for long-lasting strength
• Floating caliper design with a single steel piston (41.91 mm diameter)
• Includes caliper slides and mounting bracket for proper fitment
• Gray finish with M8 x 1.0 bleeder screw thread size

Product Line Details: PowerStop - Rear OE Stock Replacement Caliper

The PowerStop - Rear OE Stock Replacement Caliper line focuses on providing direct OE-style replacements that maintain factory specifications. This product line is tailored to meet the exact fit and function requirements of the original equipment, ensuring compatibility and performance for rear brake systems on various BMW vehicles. The L3226 caliper exemplifies this approach by matching OE materials and design features.

Technical Description and Features

This disc brake caliper features a floating design with a single piston made of steel, measuring 41.91 mm in diameter. The caliper body is cast iron, offering robust resistance to wear and heat. Included caliper slides and a mounting bracket facilitate proper installation and alignment. The gray color finish provides corrosion resistance while maintaining a clean appearance. The bleeder screw thread size is M8 x 1.0, compatible with standard brake bleeding tools.

Common Applications and Problem Resolution

• Replacement for worn or leaking rear calipers on BMW 325i and 328i models
• Restores proper brake pad alignment and reduces uneven pad wear
• Addresses sticking or seized caliper pistons causing brake drag
• Improves rear brake responsiveness and pedal feel
• Resolves brake fluid leakage from damaged or corroded calipers

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain braking efficiency. Verify compatibility with your specific BMW model and year before installation. The mounting bracket is included, but mounting hardware is not, so retain original bolts or source appropriate replacements. Use the correct bleeder screw size (M8 x 1.0) for brake fluid bleeding procedures.

Quality Assurance and Warranty

PowerStop manufactures this rear OE stock replacement caliper to meet or exceed OEM standards for fit and function. The cast iron construction and steel piston materials contribute to durability and consistent performance. Warranty details should be confirmed with the distributor or manufacturer, as coverage may vary.