Beck Arnley 083-2121 Disc Brake Rotor - Rear

Overview of Beck Arnley Disc Brake Rotor 083-2121

The Beck Arnley 083-2121 disc brake rotor is designed specifically for select BMW models, including the 318i, 318is, 325e, 325es, 325i, and 325is. This solid rotor provides reliable braking performance with precise fitment for vehicles requiring a 4-lug, 100 mm bolt pattern.

• Solid disc brake rotor, non-vented design
• Compatible with BMW 318i, 318is, 325e, 325es, 325i, and 325is models
• 4 lug quantity with 100 mm bolt pattern
• Rotor outer diameter: 257.8 mm, thickness: 10.2 mm
• Rotor center hole diameter: 62 mm for accurate hub fit
• Minimum rotor thickness: 8.4 mm to ensure safety and performance
• Rotor height: 60.2 mm and hub outer diameter: 170 mm
• Lug stud hole inner diameter: 14.7 mm

Detailed Product Description

The Beck Arnley 083-2121 disc brake rotor is engineered as a solid, non-vented rotor tailored for specific BMW models such as the 318i and 325i series. Its 4-lug configuration with a 100 mm bolt pattern ensures precise alignment and secure mounting. The rotor's dimensions, including a 257.8 mm outer diameter and 10.2 mm surface thickness, meet OEM specifications to maintain consistent braking performance and vehicle safety. The rotor center hole diameter of 62 mm and hub outer diameter of 170 mm provide a proper fit on the vehicle hub assembly, minimizing vibration and uneven wear. This rotor is designed to maintain a minimum thickness of 8.4 mm, which is critical for safe operation and brake system longevity.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer minimums
• Resolving uneven brake pad wear due to rotor surface irregularities
• Eliminating noise and vibration from damaged or corroded rotors
• Upgrading to OEM-spec rotors for consistent braking on BMW 318i and 325i models

Installation Notes and Tips

• Ensure rotor surface is clean and free of oil or debris before installation
• Verify bolt pattern and lug stud hole dimensions match vehicle specifications
• Check rotor thickness with a micrometer to confirm it meets minimum thickness requirements
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and calipers during rotor replacement for optimal braking system performance

Quality Assurance and Warranty

Beck Arnley disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 083-2121 rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, Beck Arnley typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.