Raybestos 980127 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor 980127 is engineered for precise fitment on select BMW models including the 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, and 328is. Designed to meet the demands of street performance driving, this vented rotor offers reliable braking performance and durability.

• Vented disc brake rotor for improved heat dissipation
• Compatible with BMW 323Ci, 323i, 325Ci, 325i, 328Ci, 328i, and 328is
• Overall height: 2.343 inches (59.5 mm)
• Outside diameter: 11.575 inches (294 mm)
• Nominal thickness: 0.748 inches (19.0 mm)
• Discard thickness: 0.685 inches (17.4 mm)
• 5 mounting bolt holes with 0.570 inch (14.5 mm) diameter
• Center hole diameter: 2.953 inches (75.0 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Description

The Raybestos 980127 disc brake rotor is a vented, conventional type rotor designed specifically for BMW street performance applications. Its vented design enhances cooling efficiency, reducing the risk of brake fade during extended use. The rotor measures 11.575 inches (294 mm) in outside diameter and has an overall height of 2.343 inches (59.5 mm), ensuring proper clearance and fitment on compatible BMW models. The nominal thickness of 0.748 inches (19.0 mm) provides a solid braking surface, while the discard thickness of 0.685 inches (17.4 mm) indicates the minimum safe thickness for rotor replacement. The rotor features five mounting bolt holes arranged on a 4.724 inch (120 mm) bolt circle diameter, with each hole measuring 0.570 inches (14.5 mm) in diameter, matching the factory specifications for the listed BMW vehicles.

This rotor is part of the Raybestos Specialty - Street Performance line, which focuses on delivering reliable braking components tailored for street-driven vehicles that require enhanced performance without compromising OEM fitment and quality standards.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 3 Series models (323Ci, 323i, 325Ci, 325i, 328Ci, 328i, 328is)
• Addresses brake fade caused by overheating during spirited street driving
• Resolves vibration or pulsation issues due to uneven rotor surfaces
• Improves braking consistency and pedal feel on street performance vehicles
• Restores proper rotor thickness to maintain safe braking performance

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 and vibration
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize braking performance
• Perform a bed-in procedure after installation to ensure proper rotor and pad mating

Quality Assurance and Warranty

Raybestos Specialty - Street Performance rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Refer to Raybestos documentation for exact warranty terms.