Brake Pads & Rotors

Stoptech

BL CALIPERS/SLOTTED ROTOR

$4,317.06

SKU: S00M 83.143.4700.21

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Front big brake kit for BMW applications with 355x32 mm slotted two-piece rotors and ST-40 four-piston calipers. Commonly configured for BMW F20/F21 (1 Series) and related F2X/F3X chassis with 5x120 bolt pattern. Includes calipers, rotors, pads, lines, and mounting brackets. Variants are indicated by suffixes like .21 (color or minor option).

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

BrandStoptech
Part NumberS00M 83.143.4700.21

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