MMX SUPER DOT4 RACING BRAKE FLUID [MMR25-1501]
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MMX Super DOT4 Racing Brake Fluid (500ml)
Racing brake fluid DOT4 from MMX Performance is a Super DOT4 formula engineered for everything from daily street use to full motorsport applications, delivering a dry boiling point of 312°C (594°F) and a wet boiling point of 204°C (399°F), figures that significantly outperform most traditional DOT5.1 fluids without the downsides. Modern, highly refined Super DOT4 chemistry means this fluid handles extreme braking temperatures without fade, vapor lock, or the excessive hygroscopic absorption that makes some race fluids unsuitable for road use. Compatible with all DOT4 brake systems from standard OEM setups to MMX big brake kits it is the recommended first brake upgrade before any pad or caliper change. Developed and validated alongside MMX’s own Z4 GT race car and used in MMX’s track development program, the fluid is sealed in 500ml nitrogen-filled bottles to prevent moisture contamination before use. MMX recommends a full fluid change every 1-2 years for street use and more frequently for track environments.
Features
- Super DOT4 formula; outperforms many traditional DOT5.1 fluids
- Dry boiling point: 312°C (594°F)
- Wet boiling point: 204°C (399°F)
- Compatible with all DOT4 brake systems, OEM, and big brake kits
- Resists brake fade under extreme track and motorsport conditions
- Suitable for daily street use without compromise
- Validated in MMX’s Z4 GT race car and track development program
- Sealed 500ml bottles with nitrogen fill to prevent moisture contamination
- Produced in the UK
Applications
- Universal fit
Notes
- Sold as a single 500ml bottle
- Compatible with all DOT4 brake systems. Not for use in DOT5 (silicone-based) systems.
- Change every 1-2 years for street use; more frequently for track and motorsport use
Frequently Asked Questions
- What makes this a racing brake fluid DOT4 rather than standard DOT4? The MMX Super DOT4 formula is a highly refined glycol-borate ester blend rated at boiling points far above the minimum DOT4 standard — 312°C dry and 204°C wet, versus a standard DOT4 minimum of 230°C dry and 155°C wet. This puts its thermal performance on par with or above most DOT5.1 fluids, while remaining fully compatible with all DOT4 systems including ABS and DSC.
- Can I use this racing brake fluid DOT4 on the road as well as the track? Yes. Unlike some full race fluids that are highly hygroscopic and require frequent changes, the MMX Super DOT4 formula is engineered for both daily road use and track days without compromise. It can be left in the system for 1-2 years under normal street conditions.
- Is this DOT4 fluid compatible with big brake kits? Yes. The MMX Super DOT4 racing brake fluid is compatible with all DOT4 brake systems, from standard OEM calipers to aftermarket and MMX big brake kits. It is MMX’s recommended first brake upgrade before changing pads or upgrading calipers.
- How often should I change this brake fluid? For street use, MMX recommends a full fluid change every 1-2 years. For track days and motorsport use, change the fluid more frequently — before each event or series of events as track temperatures accelerate moisture absorption and reduce boiling performance over time.
- Can I mix this with my existing DOT4 fluid? Yes. Super DOT4 is glycol-based and fully miscible with standard DOT3, DOT4, and DOT5.1 fluids. For best performance, a complete fluid flush is recommended rather than topping up, to ensure the full thermal spec of the MMX fluid is present throughout the system.
About MMX Performance
MMX Performance is a UK-based specialist in performance parts for BMW and MINI vehicles, crafting high-quality upgrades that blend precision engineering, rigorous testing, and motorsport heritage. Driven by enthusiast culture, MMX designs its products in the UK and puts them through track validation to ensure durability, fitment accuracy, and on-road performance. Their catalog spans drivetrain components, spacers, hardware, and chassis enhancements, all tailored to elevate both the driving experience and visual appeal of BMW and MINI models.
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- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.
MMX SUPER DOT4 RACING BRAKE FLUID [MMR25-1501]
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