BMW 335i xDrive heater core replacement due to clogging and costly dashboard removal on BMW 335i xDrive

Some BMW 335i xDrive owners report experiencing challenges when dealing with a clogged heater core, particularly due to the necessity of removing the entire dashboard for replacement. This process can be intricate and requires a high level of precision and patience, which may deter some DIY enthusiasts. While alternative methods to access the heater core without dashboard removal have been explored, they are not always feasible. Owners have noted that various approaches exist for replacing the heater core, including pulling the box, the dash, or just the column, depending on the specific components involved. It is crucial for owners to follow a comprehensive guide or tutorial to ensure proper disassembly and reassembly during the replacement process. Given the complexity and potential costs, many recommend considering professional assistance to ensure the task is completed effectively.