Stoptech 126.34059SR Disc Brake Rotor - Front Right

StopTech Sport Slotted Disc Brake Rotors for BMW M3

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.34059SR) are engineered specifically for BMW M3 models, providing reliable braking performance with enhanced heat dissipation. These rotors feature a vented design and slotted surface to improve pad bite and reduce brake fade under demanding conditions.

• Compatible with BMW M3 vehicles
• Part Number: 126.34059SR
• Vented disc brake rotor with curved vane style for efficient cooling
• Slotted surface type for improved brake pad cleaning and performance
• Coated hat finish to resist corrosion
• Floating disc mounting for better rotor alignment and reduced warping
• Outside diameter: 325 mm (12.795 inches)
• Nominal thickness: 28.0 mm (1.102 inches)
• Discard thickness: 26.4 mm (1.039 inches)
• Overall height: 53.5 mm (2.106 inches)
• 5 lug holes with 14.8 mm diameter and 120 mm bolt circle diameter
• Weight approximately 8.65 kg (19.04 lbs)

About the StopTech Sport Slotted Disc Brake Rotors Line

The StopTech Sport Slotted Disc Brake Rotors line is designed to offer enhanced braking performance for sport and performance vehicles. Featuring a slotted surface and vented rotor design, these rotors help maintain consistent braking by improving heat dissipation and reducing pad glazing. The coated hat finish provides corrosion resistance, extending rotor life. This product line is well-suited for drivers seeking reliable stopping power and durability under spirited driving conditions.

Product Details and Specifications

This disc brake rotor is a vented type with curved vanes that promote airflow to dissipate heat effectively during braking. The slotted surface helps remove brake dust and gases, improving pad contact and reducing brake fade. The rotor’s floating disc mounting design allows for slight movement to prevent warping and ensure even wear. The coated hat finish protects the rotor from rust and corrosion, maintaining performance over time. With a nominal thickness of 28.0 mm and discard thickness of 26.4 mm, this rotor meets precise fitment requirements for the BMW M3. The rotor features a 5-lug pattern with a 120 mm bolt circle diameter and 14.8 mm lug hole diameter, ensuring proper fitment and secure installation.

Applications and Problem Solving

• Improves braking performance for BMW M3 vehicles
• Reduces brake fade during aggressive driving or track use
• Helps prevent rotor warping and uneven wear
• Enhances pad bite and braking consistency with slotted design
• Protects against corrosion with coated hat finish

Installation Notes and Tips

Ensure compatibility with your specific BMW M3 model before installation. Inspect the brake system components for wear and replace pads if necessary. Properly torque lug nuts to manufacturer specifications. It is recommended to have rotors installed by a qualified technician to maintain safety and performance standards. After installation, perform a bedding-in procedure for optimal rotor and pad performance.

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for complete terms and conditions.