Raybestos 980482R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980482R

The Raybestos R-Line Disc Brake Rotor 980482R is engineered for reliable braking performance on select BMW models. Designed as a vented, conventional rotor, it offers precise fitment and consistent stopping power for vehicles like the BMW 320i and 328xi.

• Compatible with BMW 120i, 125i, 128i, 320i, 323i, 325i, 325xi, 328i, and 328xi models
• Part number 980482R ensures exact replacement fit
• Vented disc brake rotor design for improved heat dissipation
• Overall height of 2.894 inches (73.5 mm) and outside diameter of 11.811 inches (300 mm)
• Mounting bolt hole quantity: 5 with a 4.724 inch (120 mm) bolt circle diameter
• Nominal thickness of 0.945 inches (24 mm) with discard thickness at 0.882 inches (22.4 mm)

Detailed Specifications and Features

This Raybestos R-Line rotor features a vented design that helps reduce brake fade by allowing better airflow and heat dissipation during braking. The rotor’s nominal thickness of 0.945 inches (24 mm) provides durability and longevity, while the discard thickness of 0.882 inches (22.4 mm) indicates the minimum safe thickness before replacement is necessary. The rotor measures 11.811 inches (300 mm) in outside diameter and 2.894 inches (73.5 mm) in overall height, ensuring proper clearance and fitment on compatible BMW vehicles.

The mounting bolt hole pattern includes 5 holes with a diameter of 0.573 inches (14.55 mm) arranged on a 4.724 inch (120 mm) bolt circle diameter, matching factory specifications for the listed BMW models. The center hole diameter is 3.110 inches (79 mm), designed for precise hub alignment.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OE-quality brake components for a range of vehicles. This line emphasizes consistent performance and fitment, making it suitable for drivers seeking dependable replacement parts without extensive modifications. The 980482R rotor exemplifies the R-Line’s balance of quality and value for BMW disc brake applications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise or vibration issues linked to uneven rotor surfaces
• Upgrading from solid to vented rotors for improved heat management
• Ensuring proper fitment on BMW 3 Series and 1 Series models listed

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor mounting surface and hub to prevent runout and vibration
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Perform a bed-in procedure after installation to ensure proper rotor and pad mating

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the 980482R rotor’s reliability for BMW brake system maintenance.