Brakes› Brake Systems And Components

Stoptech

StopTech BBK 14-15 BMW M3 / M4 Front Red ST-60 Calipers 380x32 Zinc Slotted Rotors

$5,095.60

SKU: S00M 83.B38.6Q00.73

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 83.B38.6Q00.73

These Balanced Brake Upgrades put StopTech on the enthusiast map. They maintain factory bias while providing shorter stopping distances, better modulation and less brake fade. They include stiffer StopTech calipers, larger-than-stock 2-pc StopTech AeroRotors, StopTech Street Performance Pads and StopTech Stainless Steel Lines.

Feature fully forged calipers with patented stiffening bridges, patented 2-piece AeroRotors for optimized cooling, braided stainless steel brake lines, performance brake pads, mounting brackets & all necessary hardware to complete install.

MIA's Description

StopTech 83.B38.6Q00.73 Big Brake Kit is a high-performance front brake upgrade. It features fully forged and stiff 6-piston calipers, offering a firmer brake pedal feel. The kit includes larger 380x32mm StopTech 1-piece Sport Rotors which are slotted and zinc-coated for improved heat and brake dust dispersal and corrosion protection. It also comes with stainless steel braided brake lines for lower compliance and enhanced protection, as well as application-specific caliper brackets and StopTech Sport Brake Pads. This kit is designed for street-driven production BMW vehicles, utilizing StopTech's "Balanced Brake Upgrade" approach for optimal braking distribution.

Fitment

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Specifications

BrandStoptech
Part NumberS00M 83.B38.6Q00.73

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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