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BMW > X5 (E70) > Chassis, Suspension & Steering Upgrades > Big Brake Kits & Related Components > All Manufacturers
Product Code: bpbrembo



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Description
Brembo are market leaders in braking technology with a world wide reputation for excellence.

Together with unique know-how in the manufacturing of braking systems for high performance vehicles, Brembo brakes are able to guarantee top quality standards and the most advanced technological knowledge, making them a world market leader in their sector.

Brembo brakes are the natural choice for use in the most sophisticated sports vehicles and high-class saloon cars. Brembo brakes skill ensures an unsurpassable performance level in the best cars produced in Europe, the USA and Japan today.

There are a number of options available in terms of caliper and disc sizes, finishes and specification, please use the link at bottom of this page to access the full application and price list for all makes and models of all vehicles, then contact us to discuss your order.

Typical Brake Kit Contents :

-Either cross-drilled or slotted lightweight motorsport rotors.
-Curved internal rotor vanes for greater airflow cooling.
-2-piece "floating" hat and rotor assemblies.
-Aluminum calipers have sequentially sized pistons.
-Aluminum hats with McLaren F1 floating hardware.
-Calipers have a quick release pad system.
-Calipers are a radial mount design.
-High performance Brembo brake pads (track pads are also available; contact us for details).
-DOT and TUV approved Goodridge® stainless steel braided brake lines.
-Mounting brackets with aircraft quality hardware.
-Red, black or silver calipers. Custom colours available at extra charge.

Frequently Asked Questions:

Why use a two-piece "floating" disc assembly?
There are several reasons that a two-piece floating disc assembly is of benefit. First, by using an aluminum bell for the hub section of the disc saves a great deal of weight. Since this is both rotating and unsprung, it benefits the acceleration, braking, and handling of the vehicle. Secondly, it is better able to handle the large temperature changes that a brake disc experiences. During severe use, temperature variances become present in a one-piece disc and generally cause warping of the disc. This not only results in vibration of the vehicle, and pulsing of the brake pedal, but also pushes the pistons farther away from the disc. In a two-piece floating disc assembly, the iron disc heats up more uniformly, and the controlled float which is present allows for the differential expansion of the very hot brake disc, and the relatively cool aluminum bell. This allows the disc to be used under severe conditions without having a detrimental effect.

Is the biggest brake disc the best answer for my vehicle?
Not necessarily. There are many factors to take into account when choosing a performance brake system. First and foremost, a brake system must be designed based on the vehicle parameters, and the type of use it will experience. Brake systems are designed to operate best within a prescribed temperature range. While modern high performance friction materials broaden this temperature range from relatively cold pad temperatures to the high temperatures experienced in performance driving situations, the use of a disc that is too large will limit disc temperatures to the extreme lower end of this range. Not only will the disc temperature not reach the optimum range, but it will also be heavier than necessary. Below you will find an explanation of how reducing the weight of the braking system further enhances performance.

What are the advantages of drilled and slotted discs?
Drilling or slotting discs aids the disc in several ways: The edges of the slots or holes continuously clean and refresh the pad surface as well as providing increased brake "bite". Additionally, they prevent gasses from collecting between the pad and disc interface. The disc is lightened, thereby decreasing its rotational inertia. Improved ventilation increases the disc's ability to shed heat, resulting in cooler operating temperatures.

Are discs with cast-in-place holes better than cross-drilled discs?
Brembo has extensively studied and tested cross-drilling versus casting the holes in place and found no significant effect on performance or durability.

Why are there so many holes in a cross-drilled disc?
The number of holes in a cross-drilled disc is part of the engineered system. Brembo has done extensive testing with regards to the number of holes, their size, their location and their chamfering. This attention to detail is what truly sets Brembo apart in the world of braking. The same attention to detail that is delivered to the Ferrari Formula One effort is a component of the high performance program. The number of holes in a disc is in part a function of the size of the disc and the internal venting (if it is a vented disc).

Should big brakes be installed on the front wheels or all four?
During braking, the front of the vehicle does the majority of the work. Exactly how much is influenced by the vehicle's weight distribution, wheelbase, and center of gravity height. Brembo engineers all of its systems to ensure that the brake balance of the vehicle is not compromised. If not designed properly, adding a big brake system to the rear of the vehicle can result in an unstable condition, and actually degrades braking performance. Brembo offers rear brake systems for a select number of high performance applications.

How does reducing weight of the braking system benefit the vehicle?
The mass of any vehicle requires energy to accelerate or decelerate. Reducing the vehicle mass improves acceleration, and requires less energy to be dissipated during deceleration. Rotating mass requires additional energy in order to increase or decrease its speed of rotation. Therefore, decreasing the mass of the caliper is valuable due to its contribution to total vehicle mass, and decreasing the mass of the disc has an even greater benefit due to the fact that it must rotate as well. Additionally, the mass of the brake system is also unsprung mass. Reducing the unsprung mass has the additional benefit of improved suspension performance, resulting in enhanced ride and handling.

Additional Information
BREMBO BRAKE KIT & SPARE PARTS APPLICATION & PRICE LIST
 
Product Code: stbbkca



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Trophy Edition Finish
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Trophy Edition Finish
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ST-60 6 PISTON CALIPER
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Description
STOPTECH IS CA'S PREFERRED BIG BRAKE BRAKE KIT, BAR NONE. WE ARE JOINT EXCLUSIVE DISTRIBUTORS FOR THE UK.

Big Brake Kits give your vehicle that Supercar look and feel, and exceed stock performance in two areas. First, larger rotors increase heat dissipation capacity, meaning less fade, less often, and second, larger / stiffer calipers and stainless steel lines reduce system compliance and greatly increase braking power and thus greatly reduce stopping distances.

Better quality aftermarket OEM size discs / rotors and brake pads offer some improvement over factory, but nowhere near the level of a Big Brake Kit (BBK) .

The key, however, is to increase heat capacity and reduce compliance without upsetting the stock front to rear brake torque ratio. If the brake upgrade you select adds too much front torque (as many do), you reduce your car's ability to utilize the tractive capacity of all of the tires to the maximum practical extent (even on ABS equipped cars) and you therefore create performance sacrifices. In addition, too many pistons or pistons that are too large will make the brake pedal much more difficult to modulate, which limits a driver's control of brake input on the race track.

Advantages of StopTech over other brake upgrades:
-Shorter Stopping Distances
-Better Brake Modulation
-Firmer Brake Pedal
-Less Brake Fade

Feature Benefit Summary:
-Balanced Brake Upgrades™ with optimum brake bias offer the shortest stopping distance with the best pedal feel
-Our patented AeroRotors® with the best airflow available result in better cooling, less fade and longer rotor and pad life
-The stiffest aftermarket calipers with patented bridge result in better clamping under hard braking and less pad taper
-Track testing of new applications ensures optimum performance

Stoptech Big Brake Kits are available as Front, Rear and Four Wheel kits. Calipers are 4 ( ST22 & ST40) or 6 (ST60) piston depending on application.

Most kits are available with the following finishes and options :

- Drilled or slotted discs ( *we always recommend slotted over drilled, slotted improves braking, drilled does NOT)
- Zinc plate to discs and fittings for greater resistance to corrosion ( not recommended for track use)
- Red, Black or Silver colour calipers are standard to your choice, with other colours avaiable at extra cost.
-Trophy Option Kits: StopTech's latest racetrack and competition brake system comes with the new Trophy STR lightweight forged calipers in six-piston, four-piston and two-piston configurations. Based on the StopTech ST-60, ST-40, and ST-22 calipers, STR calipers feature the same metallurgy and design, but are engineered to provide a 20-percent reduction in weight without sacrificing stiffness or performance. STR calipers are also available in Sport Trophy kits designed for production street driven vehicles which utilize dust boots, anti-rattle rotor mounting hardware and include StopTech Street Performance brake pads. All existing StopTech kits can be ordered as Trophy or Sport Trophy kits.

CLICK HERE for info on ST60 6 Piston caliper upgrade for cars already using ST40 4 piston calipers.

For price and application list for all Stoptech products please click on the link below under "Additional Information", then please call or e mail us to make your order.

Additional Information
WHY BRAKE BALANCE MATTERS
BRAKE SYSTEMS AND UPGRADE SELECTIONS
WARPED DISCS AND OTHER MYTHS
STOPTECH PRICE & APPLICATION LIST, ALL PRODUCTS ( Excel Format)
STOPTECH 6 PISTON ST60 CALIPER INFO SHEET
IMPLEMENTING BRAKE UPGRADES
 

 

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