Does the Alcon Rear Race Brake Kit for E46 pair with the 355 mm front kit?

Yes. The Alcon Rear Race Brake Kit for E46 uses 355 x 28 mm rotors and four-piston calipers and is the rear half of the 355 mm E46 race system. Racers in SCCA classes should look at the SCCA rear kit, which uses a 309 mm rotor.

Will the kit work with the stock E46 ABS and master cylinder?

Yes. Alcon sizes the caliper pistons for the stock E46 master cylinder, booster and ABS, so the kit fits without hydraulic changes and the factory stability systems keep working. The forged calipers are also compatible with aftermarket ABS systems, which matters on cars that later move to a motorsport ABS unit.

What are the rotors made from?

The rotors are two-piece assemblies: grey cast iron discs machined by Pro-System in Mooresville, North Carolina, from an iron formulated for thermal stability and consistent friction, mounted on anodized aluminum hats. The discs float on anti-rattle clips, so the iron can expand with heat without stressing the hat.

How difficult is installation on a E46 BMW?

It is a bolt-on upgrade using the supplied brackets and hardware, with no cutting and no hydraulic changes. Brakes are safety-critical, so BA recommends a professional shop that will torque every fastener to specification, bleed the system and confirm wheel clearance before the car is driven.

Can the E46 rear brakes be upgraded on their own?

Yes. Alcon sells the front and rear hardware for the E46 BMW separately as well as in sets, so the axles can be upgraded one at a time. Most owners start with the front, which does most of the braking, and add the rear later to match; BA can advise on the order for your car.

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Description

Alcon Pro-System Rear Race Brake Kit for E46 BMW M3 (355 mm Rotors)

Alcon’s Pro-System Rear Race Brake Kit for E46 BMW M3 is the rear partner for the 355 mm E46 front race kit, with forged four-piston Alcon calipers clamping 355 x 28 mm two-piece Pro-System rotors. The grey cast iron discs are machined in Mooresville, North Carolina, and float on anodized hats with anti-rattle clips. The kit arrives dyno-bedded, ready for the first session.

Features

Forged aluminum four-piston Alcon rear calipers with stainless steel pistons
355 x 28 mm two-piece rear rotors in grey cast iron, machined by Pro-System in Mooresville, North Carolina
Fully floating rotor attachment with anti-rattle clips on anodized aluminum hats
Anodized aluminum hats and brackets
Staggered piston diameters and a bolted pad retainer for even pad wear and a firm pedal
Quick-change pads that come out without removing the caliper
High performance pads included and dyno-bedded to the rotors
The Rear Race Brake Kit for E46 is sold as a complete rear axle set

What’s Included

Four-piston rear calipers (L/R)
355 x 28 mm rear rotors with aluminum hats (x2)
Caliper mounting brackets
High performance brake pads (rear axle set)
Anti-rattle clips and mounting hardware

Applications

BMW M3: E46 | 2001-2006

Notes

Pairs with the E46 front race kit with 355 mm rotors; Alcon also offers an E46 SCCA rear race kit
Brakes are a safety-critical system, and BA recommends installation by a professional shop

Frequently Asked Questions

Does the Alcon Rear Race Brake Kit for E46 pair with the 355 mm front kit? Yes. The Alcon Rear Race Brake Kit for E46 uses 355 x 28 mm rotors and four-piston calipers and is the rear half of the 355 mm E46 race system. Racers in SCCA classes should look at the SCCA rear kit, which uses a 309 mm rotor.
Will the kit work with the stock E46 ABS and master cylinder? Yes. Alcon sizes the caliper pistons for the stock E46 master cylinder, booster and ABS, so the kit fits without hydraulic changes and the factory stability systems keep working. The forged calipers are also compatible with aftermarket ABS systems, which matters on cars that later move to a motorsport ABS unit.
What are the rotors made from? The rotors are two-piece assemblies: grey cast iron discs machined by Pro-System in Mooresville, North Carolina, from an iron formulated for thermal stability and consistent friction, mounted on anodized aluminum hats. The discs float on anti-rattle clips, so the iron can expand with heat without stressing the hat.
How difficult is installation on a E46 BMW? It is a bolt-on upgrade using the supplied brackets and hardware, with no cutting and no hydraulic changes. Brakes are safety-critical, so BA recommends a professional shop that will torque every fastener to specification, bleed the system and confirm wheel clearance before the car is driven.
Can the E46 rear brakes be upgraded on their own? Yes. Alcon sells the front and rear hardware for the E46 BMW separately as well as in sets, so the axles can be upgraded one at a time. Most owners start with the front, which does most of the braking, and add the rear later to match; BA can advise on the order for your car.

About Alcon

Alcon Components has engineered racing brakes and clutches in Tamworth, Staffordshire, England, and has supplied brakes to top-level teams and constructors since 1983. Its hardware won world rally titles with Audi in 1984 and Volkswagen in 2016, put Alcon into Formula One with Beatrice-Haas in 1986 and made it the sole braking supplier to Formula E from 2014. On the road it supplied the carbon ceramic upgrade for the Bentley Continental GT and the foundation brakes for all 40 Aston Martin Valkyrie AMR Pro cars. In 2017 Alcon took a substantial stake in Pro-System of Mooresville, North Carolina, which machines the rotors, hats and hardware for Alcon brake kits sold in the US.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Alcon Pro-System Rear Race Brake Kit for E46 BMW M3 (355 mm Rotors) [BRK.200590]

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Alcon Pro-System Rear Race Brake Kit for E46 BMW M3 (355 mm Rotors)

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About Alcon

Reviews