2024-2026+ BMW X1 M35i (U11) Carbon Ceramic Brake Kit
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
2024-2026+ BMW X1 M35i (U11) Carbon Ceramic Brake Kit — OEM-Size Replacement
The U11 BMW X1 M35i uses large brakes for a compact M Performance SUV, and owners shopping this kit are usually trying to cut iron-rotor dust, add heat margin, and reduce rotating mass without changing the factory brake layout. This StopFlex OEM-size replacement kit is built around the X1 M35i front rotor references—360 mm standard or 385 mm M Compound—and the 330 mm rear rotor reference, with carbon-ceramic rotors, pads, hats, and floating hardware matched to the listed configuration. Fitment is limited to the exact X1 M35i trim and rotor-size combination selected for this page.
- Front fitment is matched to the U11 X1 M35i’s 360 mm standard front brake reference or 385 mm optional M Compound front brake reference; order by the rotor size on the car, not by chassis code alone.
- Rear fitment follows the X1 M35i 330 mm rear rotor reference and retains the factory rear parking-brake architecture when matched to the correct rear caliper configuration.
- Carbon-ceramic rotors reduce brake dust on the X1 M35i’s open factory wheel designs and add thermal stability for repeated high-speed stops compared with the same-size iron rotor package.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | BMW X1 M35i (U11) |
| Model years | 2024-2026+ |
| Front rotor reference | X1 M35i: 360mm, 385mm |
| Rear rotor reference | X1 M35i: 330mm |
| Page type | OEM-size carbon ceramic replacement |
| Minimum wheel size | 19" (for the 360 mm rotor) |
For OEM replacement orders, StopFlex builds around the factory rotor specification shown for this vehicle. Front floating-caliper setups require manual review before production. If the car uses aftermarket calipers such as Brembo, AP Racing, Alcon, or Wilwood, the order can still be built, but the exact caliper model, pad shape, and rotor dimensions must be confirmed before production.
This setup uses a 360 mm 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.
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.
Custom Rotor Hat Color
Every StopFlex OEM replacement order can be built with a custom rotor hat color, giving the carbon ceramic rotor package a cleaner match with the wheel, body color, and overall build style.
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 |
|---|---|
| CCB rotors | Full-car set by default |
| CCB brake pads | Matched for StopFlex carbon ceramic rotors |
| 7075 aluminum floating rotor hats | Vehicle-specific fitment |
| Stainless floating hardware | Full-car hardware set |
| Rotor hat color | Custom rotor hat colors are available for every OEM replacement order. |
| Order scope | Default listing is full-car set. Front-only or rear-only orders can be arranged after confirmation. |
FAQ
Will this kit fit every 2024-2026+ BMW X1 M35i U11?
No. The U11 X1 M35i can be referenced with 360 mm front brakes or 385 mm M Compound front brakes, plus a 330 mm rear rotor reference. This page is only for the exact X1 M35i trim and rotor sizes listed; confirm front rotor diameter before ordering.
Does the rear electronic parking brake and Auto Hold still work?
Yes, when the kit is ordered for the correct U11 X1 M35i rear brake configuration. The StopFlex rear package replaces the rotor, pad, hat, and floating hardware while keeping the factory rear caliper and integrated parking-brake function.
Why switch from the OEM iron rotors on an X1 M35i?
Carbon-ceramic rotors run with far less visible brake dust, resist heat-related fade during repeated braking, and remove rotating mass at the wheel. The payoff is most noticeable on a heavy, all-wheel-drive compact SUV like the X1 M35i that uses large 360 mm or 385 mm front brakes.
What should I verify before placing the order?
Measure or confirm the front rotor size on the car—360 mm or 385 mm—and verify the rear 330 mm setup, wheel clearance, and the exact U11 X1 M35i trim. If the car has aftermarket wheels, StopFlex should check spoke and barrel clearance before shipment.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
More Contact Information
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