Specifications
- Brand
- Brembo
- Part #
- 1N3.9552AS

Brembo 25+ BMW X3 30/X3 M50 xDrive Fr GT-S BBK 6 Pist Cast 405x34 2pc Rotor Slotted Type3- Blk HA
$5767.55
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
Brembo GT-S Big Brake Kit for BMW X3 (2025+). Features 6-piston calipers and 405x34mm 2-piece slotted rotors for improved stopping power.
Key Features
- Fits 2025 and newer BMW X3 30 and X3 M50 xDrive.
- Includes Brembo 6-piston cast aluminum calipers in black HA finish.
- Features two 405x34mm two-piece rotors with Type 3 slotting.
- The two-piece rotor design helps manage heat and expansion.
- Type 3 slotting helps clear dust and gases for consistent braking.
- Designed to replace factory front brake components for improved performance.
Product Details
This Brembo GT-S Big Brake Kit for your 2025 and newer BMW X3 30 and X3 M50 xDrive includes everything you need to significantly upgrade your front braking system. You get a pair of Brembo 6-piston calipers, two 405x34mm two-piece rotors with a Type 3 slotting pattern, and all the necessary hardware for installation. This kit is designed to replace your factory front brakes with a more robust and capable setup, offering a notable improvement in stopping performance and heat management.
The calipers are cast from aluminum and finished in a sleek black anodized coating, providing both durability and a distinctive look. They house larger pistons, which apply more even pressure to the brake pads, leading to more consistent and powerful braking. The two-piece rotors are a key component, featuring a floating design that helps manage heat expansion and reduce the risk of rotor warping. The Type 3 slotting pattern on the rotor surfaces is specifically designed to help vent gases and dust away from the pad surface, ensuring optimal friction and a cleaner rotor face during hard braking. This advanced design is crucial for maintaining braking effectiveness during spirited driving or when carrying heavy loads.
Installing a big brake kit like this is a significant upgrade that can change the feel and performance of your vehicle. While it requires careful installation, the benefits in terms of braking power, fade resistance, and overall driver confidence are substantial. Refer to the manufacturer's installation instructions for detailed guidance on fitting this kit to your BMW X3.
Specifications
- Brand
- Brembo
- Manufacturer Part #
- 1N3.9552AS
Frequently Asked Questions
You Might Also Like
Similar products from the same category

Brembo 97-04 Corvette C5 Rear GTR BBK 4 Piston Billet345x28 2pc Rotor Drilled- Nickel Plated

Brembo 99-04 996 Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type3-Red

Brembo 05-11 997 C2S/997 C2 GTS Front GT BBK 6 Piston Cast 355x32 2pc Rotor Drilled-Silver

Brembo 03-06 Expedition/Navigator Front GT BBK 8 Piston Cast 380x34 2pc Rotor Drilled-Black
Brembo 25+ BMW X3 30/X3 M50 xDrive Fr GT-S BBK 6 Pist Cast 405x34 2pc Rotor Slotted Type3- Blk HA
