2019-2026+ BMW X5 / X5 M (G05/F95) CCB Big Brake Kit | Akebono 10N 10-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2019-2026+ BMW X5 (G05/F95) CCB Big Brake Kit — Genuine Akebono OEM Porsche 10-Piston (10N) Caliper Front + Genuine Brembo OEM Porsche 19Z 4-Piston Caliper Rear Setup
The 2019-2026+ BMW X5 G05/F95 is heavy, fast, and commonly driven on large open-spoke wheels where iron-rotor heat, dust, and brake mass become obvious. This StopFlex kit pairs a 420mm front carbon-ceramic rotor with the Genuine Akebono OEM Porsche 10-Piston (10N) Caliper and a 380mm rear carbon-ceramic rotor with the Genuine Brembo OEM Porsche 19Z 4-Piston Caliper to increase thermal capacity while reducing rotor dust and rotating mass. Every bracket, rotor hat offset, line, and caliper mount is engineered for the buyer's exact X5 trim, including the differences between G05 standard models and F95 X5 M variants.
- 420mm front carbon-ceramic rotors require 21-inch or larger wheels on the BMW X5 G05/F95; spoke clearance is checked separately from wheel diameter.
- Front braking is handled by the exact Genuine Akebono OEM Porsche 10-Piston (10N) Caliper specified for this kit, matched to 420mm StopFlex carbon-ceramic rotors.
- Rear braking is matched with Genuine Brembo OEM Porsche 19Z 4-Piston Calipers and 380mm carbon-ceramic rotors so the upgrade is engineered as a full vehicle system, not a front-only visual conversion.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | BMW X5 (G05/F95) |
| Model years | 2019-2026+ |
| Front setup | Genuine Akebono OEM Porsche 10-Piston (10N) Caliper / 420mm |
| Rear setup | Genuine Brembo OEM Porsche 19Z 4-Piston Caliper / 380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 21" (for the 420 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 420 mm front rotor, so the minimum wheel size is 21". Wheels under 21" 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 axle uses the Genuine Akebono OEM Porsche 10-Piston (10N) Caliper, giving the X5 a large multi-piston pad sweep across the 420mm carbon-ceramic rotor for stable clamp distribution and a firm pedal under repeated high-energy stops. Its OEM Porsche origin matters because the caliper architecture was developed for heavy, high-output performance vehicles rather than styled as an aftermarket shell. StopFlex mounts it to the buyer's confirmed G05 or F95 knuckle geometry with trim-specific brackets and rotor-hat offsets.
Rear Caliper (Balance)
The rear axle uses the Genuine Brembo OEM Porsche 19Z 4-Piston Caliper with a 380mm carbon-ceramic rotor to support rear brake contribution without making the vehicle front-heavy under braking. On EPB-equipped X5 applications, the rear package is configured so the factory electronic parking brake function is retained through the appropriate StopFlex solution for the exact trim.
Front & rear, engineered together: The 420mm front and 380mm rear package is engineered together so piston area, rotor diameter, hat offset, and line routing are matched before the kit is built. That matters on the G05/F95 X5 because a standard G05 and an F95 X5 M can share the X5 name while using different mechanical clearances and brake mounting geometry.
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 | Genuine Akebono OEM Porsche 10-Piston (10N) Caliper |
| Front CCB rotors | 420mm |
| Rear calipers | Genuine Brembo OEM Porsche 19Z 4-Piston Caliper |
| Rear CCB rotors | 380mm |
| 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. |
EPB & Rear Caliper Options
This vehicle leaves the factory with an electronic parking brake (EPB) built into the rear brake, so the rear of the kit is built to keep that EPB working. There are two rear paths. The first is a dual-caliper rear: a main performance caliper handles braking while a dedicated EPB actuator caliper is retained alongside it, so the electronic parking brake, auto-hold, and hill-start assist all keep working; on this path the rear performance caliper can be the TTSPORT EP4 / EP4S 4-piston caliper. The second is an EPB-integrated caliper, a single rear caliper with the electromechanical parking-brake motor built in for a cleaner install with fewer parts behind the wheel; on this path the rear is the TTSPORT EP4 / EP4S 4-piston caliper with integrated EPB. Which path fits best depends on your exact trim and EPB configuration, your budget, your appearance preference, and your wheel size and spoke clearance. Confirm your car's rear-brake configuration with StopFlex before ordering so the correct EPB-compatible rear option is built for your kit.
| Rear option | What it is | Rear caliper | Best when |
|---|---|---|---|
| Dual caliper (EPB retained) | Performance caliper plus a dedicated EPB actuator caliper, both fitted on the rear, so the factory electronic parking brake keeps working. | TTSPORT EP4 / EP4S 4-Piston Caliper | You want guaranteed factory EPB, auto-hold, and hill-start behavior preserved. |
| EPB-integrated caliper | A single rear caliper with the electromechanical parking-brake motor built in, for a cleaner install with fewer parts behind the wheel. | TTSPORT EP4 / EP4S 4-Piston Caliper with integrated EPB | You want a cleaner single-caliper rear with full EPB function. |
FAQ
Will this kit fit my exact 2019-2026+ BMW X5 trim?
Fitment is confirmed per exact vehicle, not by the G05/F95 chassis code alone. StopFlex verifies whether the order is for a standard G05, M Performance model, or F95 X5 M, then builds the brackets, rotor-hat offsets, caliper mounts, lines, and hardware for that trim's knuckle and hub geometry.
What wheels are required for the 420mm front rotor?
The 420mm front rotor requires 21-inch or larger wheels; wheels under 21 inches will not clear the rotor. Spoke clearance, wheel offset, and barrel shape also have to be checked because the Genuine Akebono OEM Porsche 10-Piston (10N) Caliper needs more radial and lateral room than the factory brake package.
Will the electronic parking brake still work?
Yes, the G05/F95 X5 uses an electromechanical parking brake, and the rear portion of the StopFlex kit is specified around EPB retention for the confirmed trim. EPB compatibility is validated during the order review because rear caliper mounting and parking-brake integration cannot be assumed across every X5 variant.
Why choose this carbon-ceramic kit over factory iron brakes?
The StopFlex carbon-ceramic rotors reduce brake dust, cut rotating mass compared with iron rotors, and provide more heat capacity for repeated stops in a heavy X5. The 420mm front rotor, 380mm rear rotor, Akebono 10-piston front caliper, and Brembo 19Z rear caliper are matched as a complete system instead of adding front calipers alone.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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