Pagid 355120831 Disc Brake Rotor - Front

Overview of Pagid Disc Brake Rotor 355120831

The Pagid disc brake rotor 355120831 is engineered for precision and durability, designed specifically for select BMW models. This vented rotor features a composite construction with a gray cast iron disc and an aluminum hat, providing reliable braking performance and heat dissipation.

• Material: Gray cast iron disc with aluminum hat
• Composite construction with vented design for improved cooling
• Coated disc and hat finish for enhanced rust resistance
• Nominal thickness: 30.00 mm; discard thickness: 28.40 mm
• Outside diameter: 370.00 mm; height: 73.10 mm
• 6 bolt holes for secure fitment
• Rust resistant coating for extended service life

Hella Pagid OE Two Piece Design Product Line

This rotor is part of the Hella Pagid - OE Two Piece Design Made in Europe (Aluminum Hat, High Carbon Friction Ring, Fully Coated) product line. This line emphasizes a two-piece composite rotor design combining a high carbon friction ring with an aluminum hat, both fully coated to resist corrosion. The design supports efficient heat management and structural integrity, aligning with original equipment standards for BMW vehicles.

Detailed Product Description

The Pagid 355120831 disc brake rotor is constructed from gray cast iron for the friction surface, paired with a lightweight aluminum hat. This composite design reduces unsprung weight while maintaining strength and heat dissipation. The vented rotor design enhances airflow to prevent overheating during braking. Both the disc and hat are coated to protect against rust and corrosion, extending rotor life. With a nominal thickness of 30.00 mm and a discard thickness of 28.40 mm, this rotor meets precise wear specifications. The 6-bolt hole configuration and 370 mm outside diameter ensure compatibility with specific BMW models.

Compatible BMW Models and Applications

• BMW 335i, 335i GT xDrive, 335i xDrive
• BMW 340i, 340i xDrive
• BMW 435i, 435i Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe
• BMW 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe
• BMW ActiveHybrid 3

This rotor is designed to address common braking issues such as rotor warping, uneven wear, and corrosion, ensuring consistent braking performance and safety.

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 28.40 mm
• Ensure proper torque on the 6 bolt holes to manufacturer specifications
• Inspect brake pads and calipers for wear or damage during rotor replacement
• Clean mounting surfaces to prevent uneven rotor seating

Quality Assurance and Warranty

Pagid rotors are manufactured to meet OE standards with strict quality control processes. The rust-resistant coating and composite construction contribute to durability and performance. Warranty details should be confirmed with the point of purchase or manufacturer documentation.