Bmw Brake Hoses Available Here. You need to have the confidence that your vehicle will come to a complete, safe stop whenever you press the brake pedal. That means every component in your braking system must be working at optimal performance levels. Brake hoses are an important piece of the puzzle, ensuring that the proper amount of pressure is applied so that the whole system functions consistently. Brake hoses are a common failure point on the MOT & NCT. Look out for brittle and cracked rubber or any signs that brake fluid is leaking and replace immediately if so.