Zimmermann 34-11-6-864-905 Coat Z Brake Disc 324x30mm Vented Front Rotor

The Zimmermann 34-11-6-864-905 Coat Z Brake Disc is a premium front brake rotor engineered to OEM specifications for BMW applications. This German-manufactured disc measures 324mm in diameter with a 30mm thickness and features an internally vented design for superior heat dissipation and consistent braking performance.

Coat Z Anti-Corrosion Technology:

This rotor features Zimmermann's proprietary Coat Z anti-corrosion coating, providing exceptional rust protection at the hub area while maintaining optimal braking function. The eco-friendly coating ensures a consistently attractive appearance throughout the rotor's lifetime and can be installed directly without removal, offering immediate functional capability right out of the box.

Key Specifications:

• Diameter: 324mm (12.75 inches)
• Thickness: 30mm
• Bolt pattern: 5x120mm
• Configuration: Internally vented for enhanced cooling
• Material: High-quality cast iron with flake graphite
• Zimmermann part number: 150.3403.20
• OEM BMW part number: 34116864905

German Engineering Excellence:

Manufactured by Otto Zimmermann GmbH in Germany, this brake disc is produced in conformity with DIN EN ISO 9001:2008 and DIN ISO TS 16949 quality standards. The rotor utilizes premium cast iron materials matched to factory specifications, incorporating compounds such as copper, molybdenum, titanium, and carbon for enhanced durability and performance. Each disc is inertia-dynamometer tested to guarantee superior quality and meets OE specifications for reliable, safe braking performance.

Features & Benefits:

• Extended rotor life through advanced anti-corrosion protection
• Improved visual appearance with no rust formation at the hub
• Equivalent-quality replacement for OEM parts
• Direct bolt-on installation with no modifications required
• Consistent braking performance across all conditions
• Meets strict European quality and safety standards

This Zimmermann Coat Z brake disc provides a perfect balance of performance, durability, and aesthetics, making it an excellent choice for drivers seeking OEM-quality replacement rotors with enhanced corrosion protection.