2006-2013 BMW 3 Series / M3 (E90/E91/E92/E93) CCB Big Brake Kit | Brembo GT6 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2006-2013 BMW 3 Series / M3 (E90/E91/E92/E93) CCB Big Brake Kit — Genuine Brembo GT6 Front + Genuine Brembo GT4 Rear Setup
The E90/E91/E92/E93 3 Series and M3 are often upgraded when repeated hard braking exposes iron-rotor heat fade, pad transfer vibration, heavy brake dust, or the cost of staying with OE-style consumables. This StopFlex kit pairs 380mm front carbon-ceramic rotors with Brembo V6 / GT6 / GTS6 6-piston front caliper options and 355mm rear carbon-ceramic rotors with Brembo V4 / GT4 / GTS4 4-piston rear options for higher heat capacity, lower rotating mass, and cleaner open-wheel fitments. Each kit is engineered after the exact trim is confirmed, because an E92 M3 does not share the same brake mounting assumptions as a standard E90 328i or 335i.
- 380mm front carbon-ceramic rotors require 19-inch or larger wheels on the E90/E91/E92/E93 chassis; wheel spoke clearance and offset still must be checked against the chosen Brembo 6-piston caliper.
- The front axle uses Brembo V6 / GT6 / GTS6 6-Piston Caliper Options with a 380mm rotor, while the rear uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options with a 355mm rotor.
- Standard 3 Series and M3 variants in this chassis family can differ in upright, hub, and wheel-clearance geometry, so StopFlex matches brackets and rotor-hat offsets to the buyer’s exact trim instead of treating E90/E91/E92/E93 as one fitment.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | BMW 3 Series / M3 (E90/E91/E92/E93) |
| Model years | 2006-2013 |
| Front setup | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options / 380mm |
| Rear setup | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options / 355mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 19" (for the 380 mm front rotor) |
Every StopFlex kit is bespoke-engineered for your exact model and trim — the brackets, rotor-hat offsets, and caliper mounting are matched to your specific car, not assumed from the platform. This matters because trims that share a chassis name can differ mechanically: a pure M or performance variant often carries different front knuckles/uprights, hub geometry, and wheel axial (ET) clearance than the standard models in the same family, so a bracket and hat offset that bolt onto one are not the same parts that fit the other. StopFlex supplies the calipers, pads, rotor hats, floating hardware, and brake lines as a matched system built to your confirmed trim. Cars with modified knuckles, modified uprights, or non-factory suspension mounting points must be reviewed before ordering and are not treated as direct-fit.
This setup uses a 380 mm front rotor, so the minimum wheel size is 19". Wheels under 19" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.
| Wheel Size (Standard) | Disc Range |
|---|---|
| 15" | 260 mm – 285 mm |
| 16" | 285 mm – 300 mm |
| 17" | 300 mm – 330 mm |
| 18" | 330 mm – 355 mm |
| 19" | 355 mm – 380 mm |
| 20" | 380 mm – 400 mm |
| 21" | 400 mm – 420 mm |
| 22" | 420 mm – 440 mm |
Caliper Overview — Front & Rear Balance
Front Caliper (Primary Upgrade)
The front upgrade is built around Brembo V6 / GT6 / GTS6 6-Piston Caliper Options, giving the 380mm front rotor a rigid multi-piston clamp package for consistent pressure distribution and pedal response under repeated high-speed stops. Buyers choose among V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper with 380mm rotor, GT6 = Genuine Brembo GT | M6 6-Piston Caliper with 380mm rotor, or GTS6 = Genuine Brembo GT | S6 6-Piston Caliper with 380mm rotor. Each option uses genuine Brembo hardware as the caliper foundation rather than an unbranded casting.
Rear Caliper (Balance)
The rear axle uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options with 355mm carbon-ceramic rotors to support rear brake torque without making the car front-heavy under braking. Rear choices are V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper, GT4 = Genuine Brembo GT | M4 4-Piston Caliper, or GTS4 = Genuine Brembo GT | S4 4-Piston Caliper, each paired to the 355mm rear rotor.
Front & rear, engineered together: The 380mm front and 355mm rear carbon-ceramic package is specified as a system so piston area, rotor diameter, hat offset, and caliper position are addressed together. That matters on the E90/E91/E92/E93 family because installing a large front-only kit can shift brake balance forward and leave the rear axle underutilized during trail braking or repeated track sessions.
Make It Yours — Color & Logo Customization
Every StopFlex kit-upgrade order can be finished with custom caliper colors, a custom caliper logo, and custom rotor hat colors, so the brake package matches your exact build instead of a fixed off-the-shelf look.
- Custom caliper color
- Custom caliper logo
- Custom rotor hat color
Why StopFlex CCB
Lower Unsprung Mass
StopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.
High-Temperature Stability
The carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.
Rust-Free Rotor Surface
Carbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.
Long Street-Service Potential
In normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.
Low Visible Dust
When paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.
Premium Ceramic-Glaze Appearance
StopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.
Street-Usable Cold Bite
Street Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.
Continuous Fiber Reinforcement
Long-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.
Heat Management Note
Carbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.
Street / Track-Day / Motorsport Rotor Options
Street Spec
Ceramic coating, cross-drilled face, and large cooling channels.
Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.
Track-Day Spec
Ceramic coating, blank face, and honeycomb cooling channels.
Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.
Motorsport Spec
Uncoated blank face with honeycomb cooling channels.
Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.
Package Scope
| Item | Details |
|---|---|
| Front calipers | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options |
| Front CCB rotors | 380mm |
| Rear calipers | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options |
| Rear CCB rotors | 355mm |
| CCB brake pads | Matched for the supplied StopFlex carbon ceramic rotors |
| Rotor hats and floating hardware | Vehicle-specific hardware package |
| Brake lines | Included for complete kit-upgrade orders |
| Color customization | Custom caliper colors, a custom caliper logo, and custom rotor hat colors are available for every kit-upgrade order. |
| Order scope | Default listing is full-car set when front and rear are specified. Front-only or rear-only orders can be arranged after confirmation. |
| Front caliper option mapping | V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper — 380 mm rotor GT6 = Genuine Brembo GT | M6 6-Piston Caliper — 380 mm rotor GTS6 = Genuine Brembo GT | S6 6-Piston Caliper — 380 mm rotor |
| Rear caliper option mapping | V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper — 355 mm rotor GT4 = Genuine Brembo GT | M4 4-Piston Caliper — 355 mm rotor GTS4 = Genuine Brembo GT | S4 4-Piston Caliper — 355 mm rotor |
FAQ
Will this kit fit my exact E90, E91, E92, or E93 trim?
Fitment is confirmed per car, not by chassis code alone. StopFlex verifies the exact model and trim because a standard 328i or 335i and an M3 can require different brackets, rotor-hat offsets, caliper mounting positions, and wheel-clearance checks.
What wheels are required for the 380mm front setup?
The 380mm front rotor requires 19-inch or larger wheels. Diameter alone is not enough; the selected Brembo V6, GT6, or GTS6 6-piston caliper also needs spoke clearance based on wheel offset and barrel shape.
Does this kit keep the parking brake?
Yes, the chassis uses a mechanical cable handbrake rather than an EPB. The rear package must be engineered around the drum-in-hat parking brake function so the parking brake remains usable after the 355mm rear carbon-ceramic conversion.
Why choose carbon-ceramic rotors on this BMW instead of larger iron rotors?
Carbon-ceramic rotors target the problems that drive many E90/E92 owners to upgrade: heat management during repeated braking, lower brake dust on open wheels, reduced rotating and unsprung mass, and longer service life when the pad compound and use case are matched correctly.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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