The FEBI BILSTEIN 17690 is a high-quality replacement for your vehicle's original lock cylinder and ignition switch. Designed for durability and precise fitment, this component is crucial for the secure operation and starting of your car. This assembly combines the functions of unlocking your doors and enabling the ignition system. Replacing a worn or faulty unit can resolve issues such as keys not turning, intermittent power, or the inability to start the engine. Trust FEBI BILSTEIN for dependable performance and longevity. Ensure proper installation by following manufacturer guidelines or consulting a professional mechanic. This part is engineered to meet stringent quality standards, providing peace of mind for everyday driving.