These aftermarket brake master cylinders are an affordable option to replace your faulty BMC (brake master cylinder). Fits left hand drive 2002 models only. 
 
Over time, your brake master cylinder and its various parts will begin to wear out. You may notice the following things happening when you are driving:
Your brakes may seem fine and then suddenly they will start to lose power or your brake pedal will feel firm, but it won't hold steady.
You may find that you have to use more effort to press the brake pedal down.
Your brake pedal may feel "mushy" or "spongy"
Your brake pedal may even sink to the floor entirely when you press on it.
 
Those are some of the signs that indicate that you need to replace your brake master cylinder.