If an electrical component is not functioning correctly be sure to check your relay first. Think of a relay as the on and off switch for most of your electronic components. If something is not working check the switch. Relay remark: r66 for the i661 option sold individually.
This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.
This is the one way valve that comes off the brake booster and keeps vacuum in the heater airconditioning system. its failure keeps the system from functioning properly