SLG - E9X M3 Big Brake Adapter Kit

Upgrade to F8X CCB or G8X M3/M4 Calipers with F8X 380mm Rotors 

Transform your E9X M3 with massive Brembo 6-piston calipers and 380mm rotors for superior braking performance, heat management, and aesthetics. Designed for easy installation, this adapter kit offers a plug-and-play solutionfor upgrading to modern BMW M Brembo braking components.

Key Features

Performance

• Supports 380mm F8X rotors for greater braking torque and thermal capacity.
• Stainless steel vented pad shims minimize heat transfer to caliper pistons, reducing the risk of brake fluid boil during heavy use.
• Experience a modern Brembo 6-piston caliper upgrade for superior stopping power. 

Durable Construction

• Anodized billet 6061 brake brack
• Stainless steel components for long-term corrosion resistance.
• High-quality hardware included for secure and reliable installation.

Optional Upgrades

• Add our coated stainless steel brake hoses for improved braking precision and durability.
• Pair Motorsport-Grade lightweight 2-piece GiroDisk Slotted Rotors for a true Nürburgring-spec brake package. 

Compatible Components

Calipers:

• F8X Carbon Ceramic Brake Calipers:

  • Right: 34117850464
  • Left: 34117850463

• G8X M3/M4 & F9X M5/M8 Calipers:

  • Red: Right: 34109501998, Left: 34109501997
  • Blue: Right: 34118089938, Left: 34118089937
  • Gold: Right: 34118089940, Left: 34118089939
  • Black: Right: 34118746868, Left: 34118746867

Rotors:

• F8X 380x30mm Front Rotors:
  • Right: 34112284810
  • Left: 34112284809

Why Choose This Upgrade?

Upgrading your E9X M3’s braking system to modern Brembo 6-piston calipers and F8X rotors not only enhances stopping power but also provides exceptional thermal performance. The vented stainless steel pad shimsensure long-lasting reliability by reducing heat transfer to sensitive caliper components.

Complete your brake system transformation with our optional stainless steel brake hoses for a fully optimized braking experience.

Requirements:

• 19-inch or larger wheels are necessary for proper fitment.
• Trimming of dust shields is required for installation.

Terms and Conditions

Due to the intended use of high performance products, Seems Legit Garage, LLC. ("SLG”) products and each part thereof, are sold "AS IS” and with all faults. To the fullest extent allowed by law, SLG Racing Products makes NO written, oral, expressed, or implied statement of warranty or guarantee on any product or part sold. SLG will not be liable for any direct, indirect, incidental, consequential, or special damages, including but not limited to, damage, injury, loss of life, loss of property or equipment, loss of profits or revenue, or claims from any individual or entity arising from the use of any SLG product. 

RACING IS A DANGEROUS ACTIVITY AND PURCHASERS OF SLG PRODUCTS ACKNOWLEDGE THE INHERENT RISKS ASSOCIATED. SLG MAKES NO REPRESENTATIONS THAT ITS PRODUCTS CAN REDUCE OR ELIMINATE ANY SUCH RISK. SLG products are NOT FOR STREET, HIGHWAY, OR AIRCRAFT USE and are intended ONLY for race vehicles operated on closed-course facilities or race tracks with appropriate supervision of qualified technicians or mechanics to ensure that the safety needs of the race driver and others are met. SLG products could be combined with other products or parts which may not be suitable and could adversely affect performance of other race parts or the vehicle. The user shall determine the ultimate suitability and safety of the product for its intended use, and the user assumes all responsibility and risk in connection therewith.