
BMW M3 (G80/G81) Sedan & Touring Carbon Ceramic Brakes Kit
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
2021-2026 BMW M3 (G80/G81) Sedan & Touring Carbon Ceramic Brake Kits
The G80/G81 M3 is a heavy, very fast S58 chassis that sees both daily-road duty and serious track use. Buyers usually want less unsprung mass, stronger fade resistance, and a kit choice that matches either the standard 380/370 setup or the factory-style 400/380 CCB package.
- Body style: Sedan & Touring
- Front rotor reference: M3: 380mm, 400mm(CCB)
- Rear rotor reference: M3: 370mm, 380mm(CCB)
This is an OEM-size replacement kit. The rotors are built to the factory rotor spec and install with the factory caliper when the front caliper is a fixed design and the rotor spec matches. The included pad shape matches the OEM pad shape. If the car uses aftermarket calipers such as Brembo, AP Racing, Alcon, or Wilwood, provide the exact caliper model and StopFlex can supply the matching pad shape. Direct replacement is not confirmed if the front caliper is floating, or if the car already runs a non-OEM-offset rotor and the actual rotor dimensions cannot be supplied.
Why StopFlex CCB
Lightweight
Half the Weight, Sharper Handling. StopFlex carbon-ceramic rotors shed roughly half the mass of equivalent iron discs. This massive drop in unsprung weight instantly transforms your chassis, delivering sharper turn-in response and a significantly more refined road feel.
High-Temp Resistance
Minimal Brake Fade at 900°C (1652°F). While traditional iron rotors severely fade under heavy track loads, our CCB matrix holds a stable 0.30μ friction coefficient even at 900°C (1652°F). You get consistent, predictable stopping power when things get dangerously hot.
Corrosion Resistance
100% Rust-Free Durability. Say goodbye to flash rust after a car wash or heavy rain. The carbon-silicon carbide material is naturally impervious to corrosion, ensuring your brake rotors look completely clean and pristine no matter the weather conditions.
Long Lifespan
250,000+ km (155,000+ mi) Lifespan. Iron rotors typically require replacement around 100,000 km (62,000 mi). In normal street driving conditions, a StopFlex CCB rotor can easily last 250,000 to 300,000 km (155,000 to 186,000 mi), effectively outlasting the vehicle itself.
Ultra-Low Dust
Ultra-Low Visible Brake Dust. Heavy black dust destroying your wheel finish is a thing of the past. When paired with our matched StopFlex pads, these rotors generate virtually zero visible brake dust, keeping your premium wheels spotless for much longer.
Premium Visual Finish
Premium Mirror-Like Finish. StopFlex utilizes a patented ceramic formula that cures with a distinct crackle pattern. The surface is machined dead-smooth for high reflectivity, providing a premium aesthetic behind open wheels under the right lighting.
High Normal-Temp Friction
Strong Initial Bite (0.40μ+). With matched StopFlex pads, normal-temperature friction can exceed 0.40μ for a firmer pedal feel and strong initial bite.
Long-Fiber Construction
Continuous Long-Fiber Strength. StopFlex utilizes a continuous long-fiber 3D matrix. This structure is significantly stronger and offers higher thermal conductivity than standard chopped-fiber OEM CCM discs.
Cold First-Stop Confidence
Reliable Cold-Bite at -20°C (-4°F). Coated street rotors still deliver normal first-stop braking at -20°C (-4°F). Uncoated motorsport rotors are the exception.
Important heat note
Carbon ceramic does not shed heat as fast as steel. Long hard driving can heat-soak the rest of the brake system, including fluid, seals, and nearby parts. Unless the car already has strong brake cooling, or you plan to upgrade brake cooling, prolonged aggressive driving is not recommended.
Rotor options

Street Spec
Ceramic coating + cross-drilled face + large cooling channels.
Street-focused G80/G81 owners usually suit the smaller StopFlex option that stays closest to the standard brake envelope and keeps fitment simpler.

Track-Day Spec
Ceramic coating + blank face + honeycomb cooling channels.
For mixed road and track use, the factory-style 400mm front / 380mm rear sizing is the safer choice for heat margin on this chassis.

Motorsport Spec
No coating + blank face + honeycomb cooling channels. Not for normal street use.
For sustained hard lapping, choose the largest compatible StopFlex package with confirmed wheel clearance and airflow support.
Pads
| Item | Details |
|---|---|
| Pad shape | The included StopFlex pad shape matches the OEM pad shape used by the retained caliper. |
| Aftermarket calipers | Provide the exact caliper model and StopFlex can supply the matching pad shape. |
| Pad details | For compound details and pad-specific parameters, see the StopFlex Ceramic Brake Pad for CCB Rotor product page. |
What’s included
| Item | Included |
|---|---|
| CCB rotors | Full-car set |
| CCB brake pads | Full-car set |
| 7075 aluminum floating rotor hats | Full-car set |
| Stainless floating hardware | Full-car set |
| Order scope | Default listing includes front set + rear set. Front-only or rear-only can be ordered separately. |
FAQ
Can I upgrade my BMW M3 G80/G81 to a StopFlex carbon ceramic brake kit while keeping the factory calipers, or do I need aftermarket calipers?
On this platform, buyers often try to stay with factory-style calipers, but compatibility depends on the exact rotor diameter and hat/bracket package you choose. If your goal is a direct-swap feel, confirm caliper mount spacing, bracket design, and any coding requirement before ordering.
Which StopFlex carbon ceramic brake size is the right choice for my BMW M3 G80/G81: standard-brake sizing or the 400mm/380mm factory-CCB-style setup?
If your car is mainly street-driven, ordering around the standard brake footprint usually reduces wheel-fitment risk and complexity. If you drive hard or want factory-CCB-style thermal headroom, the 400mm front and 380mm rear direction is the better match.
Is a StopFlex carbon ceramic brake kit a good daily-use upgrade for a BMW M3 G80/G81, including cold first stops and normal street driving?
For most G80/G81 owners, daily use is fine if you expect a slightly different pedal and cold behavior than iron brakes. If your priority is smooth commuter manners above all else, make sure that is weighed against the performance-focused nature of the upgrade.
Does my BMW M3 G80/G81 need extra brake cooling with a StopFlex carbon ceramic brake kit for track days or prolonged hard use?
This chassis can generate a lot of speed and heat, so cooling and airflow still matter even with carbon ceramics. If you do repeated hard laps, the larger setup plus good ducting, fluid, and pad strategy is the smarter buying decision.
Need fitment confirmation?
Send the exact vehicle details and current brake setup before ordering.
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