Description
The Z4 Coupe is a stiff, agile sports car that thrives on track with stronger brakes. That is exactly why drivers choose to buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86: forged Endless Racing 4 four-piston calipers with slit-face 3-piece rotors that keep the factory parking brake, engineered to stay consistent when the brakes get hot.
Why Buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86 from Diamond Parts?
We stock performance brake systems from leading brands such as Endless, AP Racing, Alcon and StopTech. Compare more big brake kits, see our complete brakes collection or shop BMW parts, and read our shipping policy for delivery times.
Key Features
Here is what you get when you buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86:
- Forged four-piston Endless Racing 4 rear calipers
- 3-piece slit-face rotors with the factory parking brake retained
- Includes pads, brackets and brake lines
- Improves front-to-rear brake balance
Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86 Specifications
| Product | Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86 |
|---|---|
| Brand | Endless |
| Product line | Racing 4 |
| Position | Rear axle |
| Vehicle fitment | BMW Z4 Coupe E86 |
| Caliper | Endless Racing 4 (EC450), forged, 4 pistons |
| Caliper weight | Approx. 2,500 g each |
| Rotors | 3-piece, slit face (size is vehicle-specific) |
| Parking brake | Factory parking brake retained |
| Pad compounds | SSM, TR, MX72 and MX72 Plus |
| Kit contents | 2 calipers, 2 rotors, 1 pad set, 2 mounting brackets and 2 brake lines |
| Caliper finish | Endless blue anodized |
| SKU | A0C93A4C |
Installing Your New Brake Kit
When you buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86 from Diamond Parts, the kit comes with vehicle-specific mounting brackets, so installation is a bolt-on job for an experienced mechanic or a well-equipped home garage. Bleed the system with fresh, high-temperature brake fluid, torque all caliper and bracket bolts to specification, and make sure the brake lines are routed clear of the suspension and wheels at full steering lock. Before the first drive, spin each wheel by hand to confirm there is no contact between the caliper and the inside of the rim.
Bedding In the Pads and Rotors
After you buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86 and fit it, the new pads and rotors need a proper bed-in to perform at their best. Start with a series of moderate stops from around 40 mph down to 10 mph, then follow with several firmer stops from higher speeds, avoiding coming to a complete stop while the brakes are hot. Finish with a gentle drive to let everything cool. This lays an even layer of pad material onto the rotor faces for smooth, quiet and consistent braking.
Choosing the Right Pad Compound
Before you buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86, think about how you drive. Street-focused compounds give quiet operation, low dust and good cold bite for daily driving, while track compounds hold up to much higher temperatures without fading. If your car sees both commutes and occasional track days, a dual-purpose pad is often the best compromise. Our team can recommend a compound based on how you drive, your tyres and your power level, so you get the most from your purchase when you buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86.
Maintenance and Care
When you buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86, plan a simple maintenance routine. Check pad thickness and rotor condition regularly, especially after track use. Replace brake fluid at least once a year, or before every track season, because fluid absorbs moisture and its boiling point drops over time. Clean the calipers with mild soap and water rather than harsh wheel cleaners to protect the finish.
To learn more about the engineering behind these components, visit the official Endless website.
Fitment and Compatibility
Designed for the BMW Z4 Coupe E86. Exact fitment can vary with model year, trim and wheel design, so send us your VIN and wheel specification through our contact page and we will double-check everything before your kit ships.
Stop guessing and start braking later. Buy Endless Racing 4 Rear Big Brake Kit for BMW Z4 Coupe E86 from Diamond Parts, or call (303) 418-3426 and we will help you choose the right setup.





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