The Genuine BMW Power Brake Booster (part number 34336864074) is a crucial component of the braking system in BMW vehicles. It is responsible for increasing the force applied to the brake pedal, making it easier for the driver to stop the vehicle. This power brake booster is a genuine OEM part, meaning it is made by the original manufacturer and is designed specifically for BMW vehicles. It is made with high-quality materials and undergoes rigorous testing to ensure reliable performance and durability. This power brake booster is a direct replacement for the original part and is compatible with a wide range of BMW models.