Raybestos 96490R Disc Brake Rotor - Rear

Overview of Raybestos R-Line 96490R Disc Brake Rotor

The Raybestos R-Line 96490R disc brake rotor is engineered for reliable braking performance on select BMW models. Designed specifically for BMW 525i, 525iT, 530i, and 535i vehicles, this rotor meets precise fitment and durability requirements.

• Part Number: 96490R
• Brand: Raybestos R-Line
• Type: Vented Disc Brake Rotor with Drum-in-Hat design
• Outside Diameter: 11.8 inches (299.7 mm)
• Nominal Thickness: 0.390 inches (9.9 mm)
• Discard Thickness: 0.331 inches (8.4 mm)
• Overall Height: 2.4 inches (60.95 mm)
• Mounting Bolt Hole Quantity: 5
• Center Hole Diameter: 2.955 inches (75.05 mm)
• Mounting Bolt Hole Circle Diameter: 4.724 inches (120 mm)

Detailed Product Description

The Raybestos R-Line 96490R rotor is a vented disc brake rotor featuring a drum-in-hat design, which integrates a parking brake drum within the rotor assembly. This design is compatible with BMW 525i, 525iT, 530i, and 535i models, ensuring proper fitment and function. The rotor’s vented construction helps dissipate heat effectively during braking, reducing the risk of brake fade under normal driving conditions. With an outside diameter of 11.8 inches and a nominal thickness of 0.390 inches, this rotor meets OEM specifications for thickness and size. The discard thickness of 0.331 inches indicates the minimum allowable thickness before replacement is necessary, helping maintain safe braking performance. The rotor includes five mounting bolt holes and a center hole diameter of 2.955 inches, matching the bolt pattern and hub size of the specified BMW models.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed for direct fitment. This line emphasizes precision manufacturing and material quality to meet the demands of daily driving and maintain vehicle safety standards. The 96490R rotor exemplifies the R-Line’s approach by combining vented rotor technology with a drum-in-hat design, tailored for specific BMW applications.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on BMW 525i, 525iT, 530i, and 535i
• Restores proper braking performance and pedal feel
• Eliminates brake noise caused by uneven rotor surfaces
• Prevents brake fade by improving heat dissipation
• Ensures compatibility with integrated parking brake systems

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness (0.331 inches)
• Ensure mounting surfaces and hub are clean and free of debris
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Perform a proper bed-in procedure after installation to ensure even pad transfer

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms related to part number 96490R.