Paragon 2-Piece Rear Brake Rotor Pair – BMW M3 E90 / E92 / E93 / 1M Coupe E82 | 350x24mm
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Upgrade the rear braking system of your BMW M3 E90, E92, E93, or 1M Coupe E82 with Paragon’s 2-piece rotors. These 350x24mm direct replacement rotors are designed for high-performance street and track use, improving thermal stability, braking consistency, and cooling over OEM discs — while retaining compatibility with the factory electronic handbrake.
Why Choose Paragon Rotors?
- Improves cooling efficiency and rear brake stability
- Reduces fade and heat-related distortion under track stress
- CBN-machined for a perfectly flat, low-vibration surface
- Maintains OEM fitment with no modification required
Key Features
- 350 x 24mm rotor size with directional cooling vanes
- Slotted face for better wet-weather braking and gas dissipation
- 2-piece design with fixed steel hat and 10-bolt mounting
- CM-250 high-carbon alloy cast iron rotor rings for strength and heat resistance
- Stress-relieved and CBN precision-machined for optimal performance
- Lateral run-out ≤ 0.03mm; balanced within 2 grams
- Each rotor weighs 9.8 kg (21.5 lbs)
Construction
Rotor Rings
Cast from Paragon’s proprietary CM-250 high-carbon alloy, each ring is heat-treated and CBN-machined to deliver consistent flatness, durability, and resistance to cracking during repeated heavy braking.
Steel Hats
Center hats are CNC-machined from high-strength steel and anodised for corrosion resistance. This configuration is ideal for retaining OEM e-brake functionality while handling aggressive use.
Finish Options
- Standard Anodised Finish: Protects against wear and corrosion
Compatibility
- BMW M3 E90 – Rear
- BMW M3 E92 – Rear
- BMW M3 E93 – Rear
- BMW 1M Coupe E82 – Rear
Fitment Notes
- Direct bolt-on fitment – no modifications required
- Fully compatible with OEM ABS, brake bias, and e-brake system
- Suitable for OEM or aftermarket brake pads with matching pad depth (D)
Technical Specifications
| Rotor Diameter | 350mm |
| Rotor Thickness | 24mm |
| Ventilation | Directional internal vanes |
| Weight (each) | 9.8 kg (21.5 lbs) |
| Mounting System | Fixed Hat, 10-bolt |
| Hat Material | Steel, anodised |
| Ring Material | CM-250 high carbon cast iron |
| Surface Finish | CBN precision-machined |
View the full range in the Paragon Performance Brake Rotors collection.
Technical Specifications
Diameter: 350mm (13.78")
Thickness (new): 24mm (0.94")
Thickness (min.): 22mm (0.87")
Type: Fixed hat non-floating
Face Pattern: Slotted
Vented / Solid: Directional ventilated
Number of Vanes: 48
Hat Material: 6061-T6 aluminum
Friction Ring Material: CM-250 high carbon alloy cast iron
Rotor Finish: CBN turned
Weight (per rotor): 21.5 lbs (9.75 kg)
Cross Reference:
OEM BMW 3489228380304 / 34212283803 / 34212283804
DBA 2281E
Contents
One pair of Paragon Performance 350mm x 24mm 2-piece rotor assemblies.
Hat Material: Black electrophoretic coated steel center hats.
Assembly: Fully assembled and ready to install.
Included: Detailed installation manual
No instructions available for this product.
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