Brake disc ATE 24.0120-0229.2 330,0x20,0mm, 5x120,0, two-part brake disc, Vented
- Diameter: 330,0
- Brake Disc Type: two-part brake disc, Vented
- Number of Holes: 5
- Bolt Hole Circle Ø [mm]: 120,0
- Brake Disc Thickness: 20,0
- Minimum thickness [mm]: 18,4
- Centering Diameter [mm]: 75,0
- Inner Diameter [mm]: 185,0
- Height: 68,8
- Surface: Coated
- Machining: High-carbon
- MAPP code available
- Test Mark: E1 90R-02C0391/0858
- Bore Diameter [mm]: 16,5
- Supplementary Article / Supplementary Info Info 2: with bolts/screws
- Drilled: no
- Condition: New
Check the OE number
- OE 420229 ATE
- OE 34 21 6 775 287 BMW
- OE 34 21 6 898 733 BMW
ATE 24.0120-0229.2 Brake disc – Key Features & Performance
Precision-engineered for demanding operating environments, the ATE 24.0120-0229.2 Brake disc provides consistent stopping power through advanced material selection and tight manufacturing tolerances. This component reduces the risk of pedal pulsation by maintaining strict thickness variation standards, which is essential for modern vehicle safety systems. The integration of high-thermal-capacity metallurgy ensures that the structural integrity remains uncompromised even under intense friction conditions. Technicians often select this specific configuration for its ability to handle repeated thermal cycling without manifesting surface micro-cracking.
Maintaining consistency within the top brands sector
Selecting 24.0120-0229.2 ATE Brake discs offers mechanics a component designed to meet the rigorous standards expected by well-known brands. These quality brands provide a reliable foundation for everyday driving safety. Many workshops prioritize trusted brands to ensure compatibility with complex electronic stability control modules. By choosing the best brake disc brands, engineers avoid the risks associated with inferior aftermarket alternatives. The reputation of reputable manufacturers remains a primary factor when evaluating long-term fleet maintenance costs.
Advanced metallurgy for superior braking performance
The metallurgical composition of the ATE 24.0120-0229.2 is calibrated to deliver high friction performance across a broad range of operating temperatures. By achieving maximum stopping power, the system ensures that hydraulic pressure is converted into deceleration without fade. This design maintains strong braking force throughout the pad contact phase, ensuring reliable performance in stop-start traffic. With high braking performance, drivers experience a consistent pedal feel that does not degrade during emergency manoeuvres. These components rely on improved braking efficiency to support the sophisticated modulation required by contemporary anti-lock hardware.
Engineering standards for a premium class component
The ATE 24.0120-0229.2 Brake disc set adheres to strict high-end specifications to facilitate seamless integration into existing hub assemblies. As a professional grade upgrade, it provides the precision necessary for modern vehicle compliance. Technicians frequently cite OE quality as the deciding factor for installation on high-performance road vehicles. When compared against other top-tier brands, these discs demonstrate a commitment to manufacturing accuracy. This premium quality ensures that tolerances regarding lateral run-out remain within millimetre-perfect thresholds, defining the premium status of this specific replacement part.
Engineered structural integrity for maximum durability
To support an extended lifespan, these units utilize high-density casting that withstands heavy-duty usage patterns. The design promotes a long service life, reducing the frequency of maintenance intervals for the vehicle owner. High durability remains a cornerstone of this product, ensuring that the casting density resists premature wear. Mechanics report that this long-lasting design minimizes the need for frequent hardware replacements. A wear-resistant surface finish protects the friction area against accelerated material loss over time.
Airflow management in internally ventilated discs
The 24.0120-0229.2 ATE Rotors feature an internally ventilated geometry that facilitates rapid heat exchange. By utilising an optimised airflow design, the disc core stays cooler during sustained load application. These cooling vanes are strategically positioned to draw air from the centre, preventing heat saturation. Because the assembly is fully ventilated, it effectively manages the thermal energy generated during high-speed braking events.
Geometric integrity providing superior warp resistance
Stable under stress, this design prevents the disc from experiencing lateral distortion during high-heat cycles. By remaining deformation-resistant, the component maintains uniform contact with the brake pads, eliminating judder. The ability to maintains shape under heat is critical for preventing permanent mechanical degradation. As a warp-resistant part, it ensures that the vehicle remains controllable under extreme braking pressure.
Thermal management through advanced heat resistance
Engineering the ATE 24.0120-0229.2 as heat resistant ensures that the metallurgical properties are preserved during long-duration deceleration. The iron matrix handles high heat without losing its mechanical properties or friction coefficient. Superior high temperature resistance protects the surrounding caliper seals from excessive heat soak. Thermal stability is further enhanced by the specific casting cooling rate applied during manufacturing. Using fade-resistant materials, the system ensures that hydraulic pressure remains responsive and effective.
Refined engineering for a low noise level
The squeak-free nature of the friction surface interface reduces the likelihood of high-frequency resonance. Implementing an anti-squeal design ensures the component operates without disturbing the vehicle occupants. This noise-free operation is achieved through rigorous testing of the pad-to-disc contact points. Drivers often notice the low noise advantage when performing precise urban manoeuvres. Furthermore, silent braking is facilitated by the absence of vibrations during the initial engagement phase.
Engineered surface finish for coated discs
Applying a painted finish ensures the non-friction areas remain protected from environmental contaminants. This protective layer is applied at the factory to prevent oxidation during storage and after installation. The coated surface maintains a clean aesthetic behind alloy wheels throughout the service life. By utilizing an anti-rust coating, the disc remains easy to remove during future maintenance, as the hub interface does not seize.
ATE 24.0120-0229.2 Brake discs: Key Performance and Safety Highlights
Using 24.0120-0229.2 ATE Rotors provides a verifiable upgrade in vehicle safety systems. The following table details the core technical attributes associated with this component. These metrics represent the primary advantages for the end-user.
| Braking Attribute | Performance Benefit |
|---|---|
| Brand positioning | trusted brands |
| Stopping power | strong braking force |
| High-end quality segment | OE quality |
| Extended service life | long service life |
| Internally vented design | cooling vanes |
| Geometric stability | maintains shape under heat |
| Thermal stability | high temperature resistance |
| Acoustic comfort | noise-free |
| Protective anti-corrosive coating | protective layer |
The ATE 24.0120-0229.2 Brake disc set establishes a benchmark for reliability in the automotive sector. By incorporating low noise characteristics, the disc ensures that the driver experiences a seamless interaction between the hydraulic system and the rotating mass. The manufacturing process reflects the highest industry standards, ensuring the product maintains low noise throughout its operational lifecycle.
Why the ATE 24.0120-0229.2 Brake disc is an Excellent Choice
The OE quality of this component guarantees a precise fit, which simplifies the installation procedure for the workshop technician. By focusing on cost-per-mile efficiency, the manufacturer ensures that the metallurgy withstands the harsh reality of daily road use without premature degradation. High-carbon content allows for reduced mass while simultaneously increasing structural strength. Proper break-in protocols ensure the maximum service potential of the friction surfaces is fully realised from the outset.
Utilising ATE 24.0120-0229.2 ensures that the vehicle remains within its intended safety parameters. The ATE 24.0120-0229.2 Brake disc set is the optimal choice for maintenance professionals seeking to avoid the recurring costs of early-stage friction failure. By selecting this hardware, the mechanic provides the vehicle owner with a durable solution that addresses both thermal management and geometric stability. We strongly recommend this specific reference for all routine brake system overhauls.