Raybestos 980127R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 980127R

The Raybestos R-Line Disc Brake Rotor 980127R is engineered for precise braking performance on select BMW models. Designed as a vented, conventional rotor, it offers reliable heat dissipation and consistent stopping power for vehicles like the BMW 323i and 328Ci.

• Compatible with BMW 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, and 328is models
• Vented disc brake rotor for improved cooling
• Overall height: 2.343 inches (59.5 mm)
• Outside diameter: 11.575 inches (294 mm)
• Mounting bolt hole quantity: 5 with 0.570 inch (14.5 mm) diameter
• Center hole diameter: 2.953 inches (75 mm)
• Nominal thickness: 0.748 inches (19 mm), discard thickness: 0.685 inches (17.4 mm)
• Mounting bolt hole circle diameter: 4.724 inches (120 mm)
• Stud/lug hole quantity: 5

Detailed Product Description

The Raybestos R-Line 980127R disc brake rotor is a vented, conventional rotor designed to meet the braking demands of various BMW 3 Series models, including the 323i, 325i, and 328is. Its vented design enhances heat dissipation during braking, reducing the risk of brake fade under heavy use. The rotor features a nominal thickness of 0.748 inches (19 mm) and a discard thickness of 0.685 inches (17.4 mm), ensuring safe and effective braking performance throughout its service life.

With an outside diameter of 11.575 inches (294 mm) and an overall height of 2.343 inches (59.5 mm), this rotor fits precisely on compatible BMW vehicles. The 5-bolt mounting pattern with a 4.724-inch (120 mm) bolt circle diameter and 0.570-inch (14.5 mm) bolt hole diameter ensures secure installation. The center hole diameter of 2.953 inches (75 mm) aligns with the hub for proper fitment.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable braking components that meet or exceed OEM specifications. This line emphasizes quality materials and manufacturing processes to provide rotors that maintain consistent performance and durability. The 980127R rotor exemplifies the R-Line’s commitment to precision fitment and reliable braking for BMW vehicles.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on BMW 3 Series models
• Improves braking performance and pedal feel
• Reduces brake noise and vibration caused by uneven rotor surfaces
• Helps prevent brake fade during extended or aggressive driving
• Restores proper rotor thickness for safe braking operation

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.685 inches) before installation
• Clean rotor surface and hub mounting area to prevent runout
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking
• Perform a bed-in procedure after installation to ensure proper rotor and pad contact

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 980127R may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.