Paragon Replacement Rotors for BMW M3 G80 / M4 G82/G83 - Rear Pair
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Description
Paragon Replacement Rotors for BMW M3 (G80) / M4 (G82/G83) – Rear Pair
Application: 2021+ BMW M3 (G80) / M4 (G82/G83)
Part Number: PRK.148.370.240.22100.08.01.R
These rotor rings (friction rings) are direct replacement for Paragon Performance 2-piece Rotors. Sold in pairs. Comes with new rotor attachment hardware kits (enough for 2 rotors) and assembly instructions for a complete rebuild.
Paragon Performance Rotor Ring offers superior braking and cooling efficiency optimised for track and race applications. It features directional ventilation vanes to create suction, turbulence, and guides cool air through the rotor for improved heat dissipation and increased resistance to cracking under harsh track conditions.
Made of CM-250 special formulated high carbon alloy cast iron, it allows for an optimal bite, thermal characteristics, high-temperature strength and durability. Rotor rings are heat treated to release stress in the rotor to avoid deformation and vibration, then turned by state-of-the-art CBN surface machining to ensure better break-in with new brake pads.
The floating 2-piece design allows thermal expansion of the rotor while minimising deformation and ensuring the rotor is self-centred with the pads. A slotted rotor improves braking consistency by maintaining a clean contact surface and dissipates heat generated and gases released when the pads come into contact with the rotors. Vibration is reduced as the rotor lateral run-out is kept within 0.03mm and well-balanced: variations are kept within 2 grams. Weighing less than most O.E. rotors while maintaining proper thermal capacity, our rotors improve overall handling by saving unsprung mass.
Specifications:
| Diameter | 370mm |
| Thickness (new) | 24mm |
| Type | 2-Piece Floating |
| Face Pattern | Slotted |
| Vented/Solid | Vented |
| Friction Ring Material | CM-250 High Carbon Alloy Cast Iron |
| Rotor Finish | CBN Machined |
Cross Reference:
| Paragon Part Number | PRK.148.370.240.22100.08.01.R |
Sold as a pair. Includes rotor attachment hardware kits and assembly instructions for a complete rebuild.
This is a made-to-order item. Lead times apply — please contact us to confirm availability and estimated dispatch.
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.