BREMBO Prime 09.B337.21 Brake disc 312x24mm, 5, internally vented

BREMBO Prime Brake Disc 09.B337.21 – Premium internally vented disc for BMW vehicles

The BREMBO Prime Brake Disc 09.B337.21 represents Italian engineering excellence – designed for drivers who demand superior performance, reliability and safety. Manufactured by BREMBO, the world-renowned brake specialist and OEM supplier, this high-performance internally vented brake disc delivers exceptional braking power and optimal heat management under all driving conditions. Technical specifications include an outer diameter of 312 mm, a disc thickness of 24 mm and internally vented design for maximum cooling efficiency.

The 09.B337.21 BREMBO brake disc features advanced internal ventilation channels with 5 mounting holes for secure installation. Made from premium cast iron with BREMBO's proprietary metallurgy, it offers superior durability and consistent performance. The brake disc meets all European safety standards and is designed as a direct OEM replacement. Each BREMBO Prime 09.B337.21 brake disc undergoes rigorous quality testing to ensure perfect fit and optimal braking characteristics.

Which vehicles are compatible with the BREMBO 09.B337.21?

For which BMW 1 Series models is the BREMBO 09.B337.21 brake disc suitable?

This brake disc is compatible with the following BMW 1 Series models: F20 (2011–2019), F21 (2011–2019). These compact BMW models benefit from the superior heat dissipation and consistent braking performance of the BREMBO internally vented design.

For which BMW 2 Series vehicles is the BREMBO Prime 09.B337.21 suitable?

The following BMW 2 Series vehicles can be fitted with this brake disc: F22 (2013–2021), F23 (2014–2021). The internally vented 312x24mm design provides optimal braking performance for these sporty BMW models.

Which BMW 3 Series vehicles can be equipped with the BREMBO 09.B337.21 brake disc?

This product fits the following BMW 3 Series models: E90 (2004–2011), E91 (2004–2012), E92 (2006–2013), E93 (2006–2013), F30 (2011–2018), F31 (2012–2019), F34 (2013–present). These popular BMW sedans, wagons and coupes require the reliable braking performance that only BREMBO Prime quality can deliver.

Which BMW 4 Series vehicles are compatible with the BREMBO Prime 09.B337.21?

The BREMBO 09.B337.21 brake disc is suitable for the following BMW 4 Series models: F32 (2013–2020), F33 (2013–2020), F36 (2014–2020). These performance-oriented BMW models benefit from the advanced cooling properties of the internally vented disc design.

For which BMW X1 models is the 09.B337.21 BREMBO brake disc suitable?

This brake disc is compatible with the BMW X1 E84 (2009–2015). The robust construction and internally vented design make it ideal for the increased braking demands of BMW's compact SUV.

Installation instructions for BREMBO 09.B337.21

1. Replace brake discs in pairs to ensure balanced braking performance across the axle.

2. Remove the wheels and carefully remove the brake caliper. Support the caliper properly to prevent stress on the brake hose.

3. Remove the old disc: loosen the retaining screw (if present). For seized screws, apply penetrating oil and tap gently with a rubber mallet.

4. Thoroughly clean the hub surface, removing all rust, dirt and debris before installing the new BREMBO disc.

5. Install the new BREMBO Prime disc and fresh brake pads, ensuring proper alignment and secure mounting.

6. After installation, pump the brake pedal several times to seat the pads and check brake fluid level.

7. Bedding-in: perform 8–12 moderate braking cycles from 80 to 30 km/h to establish proper friction surface contact.

FAQ: BREMBO Prime Brake Disc 09.B337.21

Do the brake pads need to be replaced at the same time as the BREMBO brake disc 09.B337.21?

Yes, it is strongly recommended to replace brake pads when installing new BREMBO brake discs. This ensures optimal surface contact, prevents uneven wear, and maximizes the performance benefits of your new BREMBO Prime discs.

Is the BREMBO brake disc 09.B337.21 ventilated or solid?

This brake disc is internally vented. The sophisticated internal cooling channel design significantly improves heat dissipation, preventing brake fade and maintaining consistent performance during demanding driving conditions.

How should new brake discs be properly bedded in?

During the first 300 km, avoid aggressive braking and allow gradual heat cycling. Perform moderate braking from highway speeds to develop an even friction layer, which is essential for optimal performance and longevity of both discs and pads.

What is the outer diameter and thickness of this brake disc?

The BREMBO Prime 09.B337.21 has an outer diameter of 312 mm and thickness of 24 mm – perfectly engineered for BMW's front brake systems requiring this specification.

Is this brake disc suitable for vehicles with ABS?

Yes, the BREMBO 09.B337.21 is compatible with ABS-equipped vehicles. The disc maintains the exact OEM specifications required for proper ABS sensor function and system operation.

Do I need special tools to install the BREMBO brake disc 09.B337.21?

No special tools are required beyond standard automotive equipment. You'll need basic socket wrenches, Torx bits, and most importantly, a calibrated torque wrench to ensure all fasteners are tightened to BMW's specifications.

What are the advantages of the BREMBO brake disc 09.B337.21 compared to other models?

BREMBO Prime discs offer superior metallurgy, advanced internal venting design, and OEM-level quality control. The result is better heat management, reduced brake fade, longer service life, and the confidence that comes with BREMBO's racing-proven technology.

Can I install the Brake disc 09.B337.21 BREMBO Prime on both front and rear axles?

This specific disc is designed for front axle installation only. Always verify the correct application for your specific BMW model year and engine configuration before installation.

How long do BREMBO Prime brake discs typically last?

Service life depends on driving conditions, but BREMBO Prime discs typically provide 60,000-80,000 km of service under normal driving conditions. Aggressive driving or frequent city stop-and-go traffic may reduce this interval.

What is the warranty coverage for the BREMBO 09.B337.21 brake disc?

BREMBO Prime brake discs come with manufacturer warranty coverage. Specific terms may vary by region, so consult your supplier for detailed warranty information and registration requirements.