Alcon BMW E90/E92 M3 6 Piston 355x28mm Rear Race Kit – Anodized

Name: Alcon BMW E90/E92 M3 6 Piston 355x28mm Rear Race Kit - Anodized - Wyld Performance
SKU: alcBRK.200513
Price: 5027.78 USD
Availability: InStock

SKU: alcBRK.200513

$5,027.78

In stock

1 in stock

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Category: Big Brake Kits

Alcon BMW E90/E92 M3 6-Piston 355x28mm Rear Race Kit - Anodized

Hard track use absolutely cooks the factory single-piston rear brakes on the BMW E9X M3 platform. The stock rear sliders flex under extreme pressure, which triggers uneven pad wear, massive thermal fluid spikes, and premature DSC/ABS electronic interventions that destroy your momentum on hot laps. Mounting the Alcon 6-Piston 355x28mm Rear Race Kit (Part Number: BRK.200513) drops running temperatures across the rear axle while maintaining a perfectly calibrated pedal feel. It completely removes the flimsy OEM sliders and introduces massive structural rigidity to the rear axle layout without upsetting the factory master cylinder bias.

Core Features & Technical Benefits

Monoblock 6-Piston Aluminum Calipers: CNC-machined from high-strength aerospace-grade alloy blocks. Running a 6-piston setup on the rear axle spreads clamping force perfectly across the pad face, eliminating pad taper and stopping caliper flex dead under high system pressures.
355x28mm Fully Floating Rotors: Built with a two-piece thermal architecture matching lightweight 6061-T6 aluminum hats to thick cast iron friction rings. The floating hardware pins allow the outer ring to expand freely during severe heat cycling, curing heat warping and pad knock-back issues.
Hard Anodized Caliper Shielding: Paint and powder-coated finishes work okay for street cruisers but burn, peel, and discolor when track temps spike past 500°C. This hard-anodized treatment chemically fuses with the metal, stopping corrosion and holding up against constant track abuse.
Retains Factory Emergency Brake: Most raw rear race setups force you to completely remove the mechanical emergency brake assembly. This custom Pro-System kit retains full internal functionality for your stock BMW e-brake shoes right inside the aluminum rotor hat center.
Directional Curved Air Vanes: The internal vane architecture acts as a centrifugal air pump, pulling cool air through the hub center and venting extreme heat out through the outer ring perimeter. Runs substantially cooler than factory solid discs.
Precision Slotted Faces: Machined surface slots clean away boundary gasses, track debris, and water films continuously. This layout preserves a sharp, consistent initial brake bite in heavy rain or grueling endurance conditions.
Quick-Swap Pad Retainer Bridge: A bolted cross-bridge reinforces the caliper structure against deflection under heavy loads, yet it lets you swap fresh track pads out quickly without unbolting the caliper body from the hub carrier bracket.

Complete Box Inventory

This complete rear axle package arrives packed with two Hard-Anodized 6-Piston Aluminum Calipers, two 355x28mm 2-Piece Slotted Floating Rotors with internal anti-rattle clips, heavy-duty aluminum mounting brackets, a full axle set of pre-bedded high-performance race pads, and all high-tensile mounting hardware fasteners required for a direct bolt-on install.

Exact Variant Details

Product Line: ALC Rear Brake Kits
Part Number: BRK.200513
Kit Description: Alcon BMW E90/E92 M3 6 Piston 355x28mm Rear Race Kit - Anodized

Vehicle Fitment Guide

Direct bolt-on fitment for the following V8-powered high-performance BMW chassis layouts:

BMW M3 Sedan (E90 Chassis): 2008 - 2011
BMW M4/M3 Coupe (E92 Chassis): 2008 - 2013
BMW M3 Convertible (E93 Chassis): 2008 - 2013

Wheel Clearance Notice: Because of the expanded 6-piston caliper profile and the 355mm rotor outer scale, this rear big brake kit requires a minimum of 19-inch wheels for proper inner barrel clearance. Double-check your track wheel barrel step profiles before finalizing your order.

Frequently Asked Questions

Will running a 6-piston rear caliper cause dashboard error codes or mess up my ABS bias?

No. Alcon meticulously calculated the internal piston bore sizing so that the total fluid displacement volume matches the factory BMW rear master cylinder output ratios. Your factory ABS modules, stability control networks, and pedal travel limits function normally without throwing error codes or shifting too much brake bias to the rear axle.

Does this package ship with brake pads included or do I source them separately?

You do not need to buy pads separately. This kit comes completely outfitted out of the box with a set of pre-matched high-performance race pads and pre-installed anti-rattle clips. The entire configuration is dyno-bedded at the factory assembly line so you can subject it to hard heat cycles immediately after a clean installation.

Can I use this race kit with my stock front brakes?

Yes, you can run this with factory front brakes because the fluid volumes are matched, but for optimal track performance and balanced thermal handling, we highly recommend matching this rear assembly with a corresponding Alcon front big brake upgrade down the line.

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