Brake Pads & Rotors

Stoptech

BL CALIPERS/SLOTTED ROTOR

$4,430.44

SKU: S00M 83.B33.004G.21

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item

Description

Rear StopTech Big Brake Kit ST40, featuring 345mm 2-piece rotors and 4-piston ST40 forged calipers, designed for BMW F3X platforms (335i/335xi from 2012-2015 and 340i/340xi from 2016-2019; 435i/435xi from 2014-2015 and 440i/440xi from 2016-2021). Includes sport pads and stainless steel brake lines. Not compatible with M Sport Brembo calipers. Requires 18" wheels and is engineered to work with stock ABS/DSC systems on cars with 340mm front discs. Source: BimmerWorld StopTech BBK rear page.

Fitment

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Specifications

BrandStoptech
Part NumberS00M 83.B33.004G.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.

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