Beck Arnley 083-3789 Disc Brake Rotor - Front Left

Overview of Beck Arnley Disc Brake Rotor 083-3789

The Beck Arnley 083-3789 disc brake rotor is engineered for precision and durability, designed specifically for various BMW models. This vented rotor offers reliable braking performance with a smooth surface finish, ensuring consistent contact with brake pads.

• Premium grade vented disc brake rotor
• Rotor outside diameter: 374 mm
• Rotor thickness: 36 mm with minimum thickness of 34.4 mm
• Rotor inside diameter: 158 mm
• Lug hole diameter: 16.6 mm with 5 lug holes
• Height: 66 mm
• Hub outside diameter: 172 mm
• Bolt hole center to center length: 112 mm
• Rotor center bore inside diameter: 67 mm
• Smooth surface type for consistent braking

Detailed Product Description

The Beck Arnley 083-3789 disc brake rotor is a vented rotor designed to improve heat dissipation during braking, reducing the risk of brake fade on BMW vehicles such as the 540i, 740i, M340i, and X5. Its premium grade construction ensures durability and long service life. The rotor’s smooth surface type provides even pad wear and quiet braking operation. With a rotor outside diameter of 374 mm and a thickness of 36 mm, this rotor meets or exceeds OEM specifications for optimal fit and performance. The 5-lug hole pattern with a lug hole diameter of 16.6 mm and bolt hole center to center length of 112 mm ensures proper alignment and secure mounting on compatible BMW models.

Compatible BMW Models and Applications

• BMW 540i and 540i xDrive
• BMW 740i, 740i xDrive, 740e xDrive, and 745e xDrive
• BMW 750i and 750i xDrive
• BMW 840i, 840i Gran Coupe, 840i xDrive, and 840i xDrive Gran Coupe
• BMW i4
• BMW M240i and M240i xDrive
• BMW M340i and M340i xDrive
• BMW M440i, M440i Gran Coupe, M440i xDrive, and M440i xDrive Gran Coupe
• BMW M550i xDrive
• BMW X5, X6, and X7

Common Issues Addressed by This Rotor

• Brake rotor warping causing vibration during braking
• Uneven brake pad wear due to rotor surface irregularities
• Reduced braking efficiency from overheating and brake fade
• Noise and squealing caused by rough or damaged rotor surfaces
• Rotor thickness below manufacturer’s minimum specification

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness meets or exceeds the minimum thickness of 34.4 mm to maintain safe braking performance. Use proper torque specifications for lug nuts to avoid rotor distortion. This rotor does not include bearings, so reuse existing bearings or replace as necessary. It is recommended to replace brake pads when installing new rotors to ensure optimal braking performance.

Quality Assurance and Warranty

Beck Arnley disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 083-3789 rotor undergoes rigorous quality control to ensure durability and consistent performance. Warranty coverage details should be confirmed with the product documentation or manufacturer.