Stoptech
StopTech BBK 14-15 BMW M3 / M4 Rear Black ST-40 Calipers 380x32 Zinc Drilled Rotors
SKU: S00M 83.B38.0058.54
Description
Part #: 83.B38.0058.54
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.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Stoptech |
| Part Number | S00M 83.B38.0058.54 |
Videos
How to install F80 M3 Brakes on an F30! CHEAP Big Brake Upgrade!
BMW F chassis Brembo brakes information f3x f2x F8x m2 m3 m4 m140i 320d 335d f30 f31 f36 f20 f21 f36
How to use your High Performance Brake System - by BMW-M.com
BMW M4 Front Brake Pad & Rotor Replacement DIY (2015-2020 BMW F82 & F83 M4)
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.
View Full Return Policy