Raybestos 9829R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 9829R

The Raybestos R-Line Disc Brake Rotor 9829R is engineered for precise fitment on BMW 318i models. This solid rotor is designed to meet exacting specifications, ensuring reliable braking performance and durability.

• Compatible with BMW 318i vehicles
• Solid disc brake rotor design
• Overall diameter: 10.240 inches (260.1 mm)
• Nominal thickness: 0.500 inches (12.7 mm)
• Discard thickness: 0.437 inches (11.1 mm)
• Overall height: 1.385 inches (35.2 mm)
• Mounting bolt hole quantity: 4 with 0.578 inch (14.7 mm) diameter
• Center hole diameter: 2.600 inches (66.05 mm)
• Mounting bolt hole circle diameter: 3.937 inches (100 mm)
• Conventional rotor type with 4 stud/lug holes

Detailed Product Description

The Raybestos R-Line 9829R disc brake rotor is a conventional solid rotor designed specifically for the BMW 318i. With an outside diameter of 10.240 inches and a nominal thickness of 0.500 inches, this rotor provides consistent braking surface and heat dissipation. The discard thickness of 0.437 inches indicates the minimum thickness before replacement is necessary, helping maintain safe braking performance. The rotor features a 1.385-inch overall height and a center hole diameter of 2.600 inches, ensuring proper alignment and fitment. The mounting bolt hole circle diameter measures 3.937 inches with four bolt holes sized at 0.578 inches, matching the BMW 318i's hub specifications. This rotor is solid rather than vented, suitable for standard braking applications where vented rotors are not required.

About the Raybestos R-Line Product Line

The R-Line from Raybestos is a product line focused on delivering reliable, OEM-quality brake components. Designed to meet or exceed factory specifications, R-Line rotors like the 9829R provide consistent performance and durability for vehicles such as the BMW 318i. This line emphasizes precise fitment and material quality to support everyday driving conditions.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on BMW 318i
• Restores proper braking surface thickness and smoothness
• Eliminates brake pulsation caused by uneven rotor wear
• Prevents brake fade due to rotor overheating
• Ensures secure mounting with correct bolt hole pattern

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it exceeds discard thickness
• Clean rotor surface to remove any protective coating before mounting
• Check hub and mounting surfaces for debris or corrosion to ensure proper fit
• Tighten mounting bolts to manufacturer torque specifications
• Inspect brake pads for wear and replace if necessary during rotor installation

Quality Assurance

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring dimensional accuracy and material integrity. While specific warranty details are not provided, Raybestos products typically adhere to industry standards for durability and performance. Using the 9829R rotor on your BMW 318i helps maintain safe and reliable braking under normal driving conditions.