PFC Z45 Rear 355MM Big Brake Kit - E9X M3, E82 1M

The absolute best-performing brake system on the market, period!

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This brake kit has been discontinued by PFC. We recommend the StopTech Trophy Kit as a replacement. See BimmerWorld part number 83.160.0047.Trophy (355mm rear kit) for more info.

  • This item is no longer available.


The finest big brake kit available on the market, designed specifically for BMW performance enthusiasts and racers

Performance Friction’s Z-Rated brake kit is designed specifically for your M3 or 1M! Without question, this brake kit is the best on the market, and that conclusion comes from years of racing domination, not the marketing desk. Unlike other brands whose street kits have only the name in common with their top level racing components, these are the real deal PFC parts that win championships across the board in top-level professional series like Tudor, GRAND-AM, World Challenge, WTCC, Australian V8 Supercars, and the list goes on…

The E9X M3 and 1M kit was specifically designed to meet the needs of the BMW performance enthusiast and racer. Brake bias is moved slightly to the rear for improved braking performance in both front-only and 4-wheel applications.

Performance Friction calipers all start life as a billet aluminum block, machined into a one-piece monobloc caliper. These are not the sand-cast calipers used by many other manufacturers and are therefore both lighter and stronger than anything on the general market.

Z45 Rear Caliper (4-Piston, 2-pad) - The Z45 caliper starts life as a PFC monobloc, but in the final machining stages is cut in half - originally done to meet rule requirements for GRAND-AM racing which required a 2-piece caliper. Caliper maintains incredible stiffness even with an open bridge due to oversized mil-spec fasteners and a structural bridge bar (not a flimsy bridge push-pin). The Z45 caliper will accommodate the M3 parking brake and is a great option for those looking for optimum performance on the street and/or track. This caliper is designed to work together with the Z54 front caliper to create a four-wheel kit that provides the best performance.

Calipers are anodized black.

Notes on Piston Envy: Performance Friction takes their top level racing technology and applies it to everything they design, so every component that comes from their South Carolina manufacturing facility performs at the highest level possible. A properly-designed 4-piston PFC caliper is lighter and has better release characteristics than a similar 6-piston piece. PFC calipers are all made with a maximum of four pistons with the exception of a NASCAR-mandated 6-piston design - which is outperformed by its 4-piston counterpart. If you’re trying to impress piston counters, there are much cheaper ways to do it. If you want the best performing brakes you can buy, look no further.

Rotor sizing is one of the magnificent parts of this kit. Due to the high level of electronic control in the E9X braking system, brake bias is difficult to modify, but due to component design in the 4-wheel PFC kit, your M3 will have more rear bias for dramatically increased overall stopping power, under both light and full-ABS threshold braking!

The Performance Friction rotors used in all kits are the newest V2 Direct Drive Rotors. Made from a precision casting, all external surfaces are machined to tolerances of 0.004", including the OD of the vein area that most manufacturers leave rough-cast. These are the only rotors that are mechanically, thermally and dynamically balanced, which means you will never warp them because they remain balanced in all situations and at all temperatures. New V2 hardware reduces weight an additional half pound from the already light V1 components.

Kit also includes PFC Z-Rated high-performance brake pads and the required stainless brake line set.

This kit is vastly superior to de-contented kits for street and race applications made by other manufacturers. 

  • Finest big brake kit on the market
  • Genuine championship winning parts
  • Peerless caliper design choices
  • Unparalleled rotor design
  • Ideal for street cars to all-out race cars

If you have specific questions or would like a more in-depth explanation of features, please call one of our experienced technical sales reps for more information.

Made in USA

BMW Fitments:

1 Series
E82 (11-12) > 1M (11-12)
3 Series
E90 / E92 / E93 (08-13) > M3
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