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AP Racing Competition Caliper Kit BMW e46 M3 Four Piston Rear (Caliper Only)
Part #: 13.01.10039
Brand: AP Racing
Rear AP Racing CP5144 Competition Caliper Kit for the E46 M3:
- Carefully chosen piston sizes for proper brake bias and seamless integration with OEM master cylinder & ABS systems
- Mates to either of our Essex Designed Front Competition Kits
- Stiffer calipers with larger pads improve system thermal capacity and fade resistance under high heat track conditions
- Includes Spiegler Stainless Steel Brake Lines, and all associated mounting bolts and hardware
- Optional Ferodo Racing brake pads available at a discount using the drop-down menu below
In-stock inventory only. No backorders will be available on this item.
Show All vehicles this product fits
Application: Track
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Our Rear Competition Caliper Kit is the perfect upgrade to complement either of our front Competition Kits:
The CP5144 calipers are far stiffer than stock and use a commonly available pad shape. They improve pedal feel, increase fade resistance, and can be run with the OEM rear discs or other aftermarket discs.
Brake Pads in A Commonly Available Shape
The basic pad shape for the CP5100 caliper was created by many years ago, and is used by a wide range of racing calipers today. They're available in just about every popular racing compound on the market. That means you’ll never end up in a pinch without pads.
Below is a drawing of the basic pad shape:
Dimensions= 113.5 x 48 x 15.7 mm
The available pad compounds that Essex sells for the CP5100 caliper can be found below. Please keep in mind that there are many other compounds available on the market from other manufacturers. The list below represents only what Essex sells. Underneath the manufacturer list below, the pad compounds are listed from most aggressive to least aggressive.
Ferodo Racing
Note on using brake pads different from those listed above
Again, please keep in mind that the above is not an exhaustive list, and that there are many other pad compounds available in this shape from other manufacturers. Please note however, that the pad shape we use in our caliper is available in a variety of radial depths (heights), and that Essex recommends the 48mm radial depth version for use with OE sized replacment discs. Other radial depths are available to use with aftermarket replacement 2-pc discs that have shallower depth faces. Please contact us for the appropriate pad depth if using aftermarket 2-pc discs.
This is why we love Monday mornings.
A very fast track that requires serious brakes.
"Why didn't I do this sooner?"
