Why is there no air coming from the rear air conditioning in the BMW 535?
2 Answers
The reasons for no air coming from the rear air conditioning in the BMW 535 include blower malfunction and clogged air filter. Blower malfunction: The car blower is a crucial component for air conditioning airflow. If the air conditioning compressor fails during use, the car air conditioning will definitely not blow air. Overheating damage to the internal coils of the blower or capacitor failure are significant causes of blower malfunction. You can turn the car air conditioning to maximum and listen for the blower's sound. If it is confirmed to be a blower issue, it needs to be addressed at a 4S shop. Clogged air filter: The air filter is a common and significant reason for no air from the air conditioning. During operation, the car air conditioning absorbs many impurities from the air, leading to a clogged air filter. If there is no air, you can remove the air filter and check if it is clean. If the air filter is too dirty, it needs to be replaced promptly, either at a 4S shop or a repair shop.
As someone who frequently deals with car air conditioning issues, the BMW 535 rear air conditioning not blowing air is a common problem. First, check if the rear air conditioning switch is turned off—many people overlook this. Alternatively, the air ducts might be blocked, with dust accumulated inside that needs cleaning; a dirty filter can also obstruct airflow. Control panel or module failures are more common, and circuit shorts or faulty relays can cause this. Sometimes, it's a setting error, such as selecting the wrong mode or setting the temperature too high. It's recommended to first clean the air vents and check the switch yourself. If that doesn't work, take it to a professional shop for diagnosis with a scanner—don't delay. As the vehicle ages, wiring issues become more likely. Regular maintenance of the air conditioning filter can prevent many problems. BMW's systems are sophisticated and require careful handling. Safety first—don't let rear passengers suffer from heat affecting driving.
