Brakes› Brake Systems And Components

Stoptech

ST65/36-36-40/32

$1,028.58

SKU: S00M ACS.63E.0161

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

Moderate — 2–4 hours

Description

StopTech Rear 355 ST40 Big Brake Kit for E60 535i/545i/550i, E63 645ci/650i features: Drilled or Slotted 2pc Aerorotors, 4-piston ST40 forged calipers, Forged caliper brackets, Sport pads, DOT-compliant stainless brake lines. Improves braking performance. StopTech's Balanced Brake Upgrade(R) matches components to vehicle specs for ideal brake bias and tire contact. Features excellent thermal management via larger rotors with enhanced cooling vanes. Aerorotors (355mm, 2-piece, slotted or cross-drilled, optional zinc coating) have a patented directional vaning pattern for cooling. ST40 4-piston calipers are forged aluminum, stiff, with center bridge reinforcement and vehicle-specific piston sizes, and high-temp silicone brake boots. 309 Sport pads offer strong initial bite and consistent performance, suitable for street, autocross, or light track duty. DOT-compliant stainless steel brake lines included. Requires 18" wheels.

Fitment

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Specifications

BrandStoptech
Part NumberS00M ACS.63E.0161

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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