Brake Kit

18Z 6-Piston Front and 4-Piston Rear Big Brake Kit for BMW

Upgrade your BMW's braking system with the 18Z Big Brake Kit, designed to deliver progressive braking response, improved pedal feel, and a bold sporty appearance for performance-oriented street builds.

  • Item No :

    BK0020
  • Order(MOQ) :

    1 Set
  • Lead Time :

    Single Set 7-10 Days, Bulk Orders 25 Days
  • Warranty :

    3 Years (Excluding wear-and-tear parts)
  • Credentials :

    DOT & Emark
18Z 6-Piston Front and 4-Piston Rear Big Brake Kit for BMW

Designed for selected BMW M3 E92, 335i, E91, E93, E90, E46, and E39 models, this brake kit features yellow calipers, black T7075 aluminum rotor hats, and G3000 iron alloy discs with a TY3 pattern. The front rotors measure 380 × 34 mm, while the rear rotors measure 380 × 28 mm.

 

With a 5 × 120 mm bolt pattern and a 72.6 mm center bore, this kit is intended for compatible wheels measuring 18 inches or larger. Its split floating rotor design helps manage heat-related deformation, while customized Larson branding adds a personalized finish.

BMW Performance Brake Conversion Kit

Key Features & Advantages

✔ Progressive Braking Response

The 6-piston front calipers provide a linear and comfortable pedal feel, helping deliver smooth, predictable braking force.

✔ Full and Sporty Appearance

The substantial caliper and rotor design creates a more aggressive visual presence and is suitable for compatible 18-inch wheels.

✔Large Brake Pad Contact Area

The brake pads offer a generous friction surface to support effective contact between the pads and rotors during braking.

✔ Cost-Effective Maintenance

Designed with long-term ownership in mind, the kit offers a practical balance between maintenance expenses and braking performance.

✔ Enhanced Visual Appeal for Large Wheels

The prominent brake assembly complements larger wheel designs and gives the vehicle a more performance-focused look.

✔ Split Floating Rotor Construction

The floating design helps resist thermal deformation and reduce brake judder caused by heat buildup during high-speed braking.

Specifications

Item Specification
Product Name 18Z 6-Piston Front 4-Piston Rear Big Brake Kit for BMW
Car For BMW M3 E92 335i E91 E93 E90 E46 E39
Caliper Color Yellow
Disc Material G3000 Iron Alloy
Rotor Cap Material Aluminum T7075
Brake Disc Size 355 / 380 / 405 / 420 / 440 mm
Rotor Cap Color Black
Brake Disc Size Front 380mmx34, Rear 380x28mm
Brake Disc Pattern TY3 Disc
Rotor PCD 5×120mm
Center Aperture 72.6mm
Screw Type Fixing Screw
Key Features Upgraded Braking Performance, Aesthetics
Applicable Wheel Size Suitable for Wheels Above 18 Inches
Usage For Renovation/Upgrade
Logo Customized by Larson

* Configuration and appearance may vary according to the selected vehicle model.

Vehicle Compatibility & Customization

The brake upgrade kit can be configured according to the vehicle's:
  • Make, model and year
  • Original brake system
  • VIN
  • Wheel size
Customization options may include caliper configuration, rotor dimensions, caliper color and vehicle-specific mounting brackets.
Before ordering, customers should provide the vehicle model, year and original brake specifications to confirm compatibility.
  • 18Z 6-Piston Front and 4-Piston Rear Big Brake Kit for BMW

  • 18Z 6-Piston Front and 4-Piston Rear Big Brake Kit for BMW

  • 18Z 6-Piston Front and 4-Piston Rear Big Brake Kit for BMW

 

FAQ

Q: Which BMW models is this brake kit designed for?
It is listed for the BMW M3 E92, 335i, E91, E93, E90, E46, and E39. Confirm the exact vehicle year, trim, and brake mounting specifications before ordering.
Q: What is the front and rear rotor size?
The kit uses 380 × 34 mm front discs and 380 × 28 mm rear discs.
Q: What wheel size is recommended for installation?
Wheels of 18 inches or larger are specified. Actual fitment depends on wheel-barrel clearance, spoke design, caliper clearance, and the brake kit's dimensions.
Q: What are the rotor mounting specifications?
The listed bolt pattern is 5 × 120 mm, with a 72.6 mm center bore. Verify these measurements against your vehicle and wheel-hub configuration.
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