Article by: Johan Applies to: all e32 and e34 models. Introduction: The IHKA system (Intergriertes Heizung und Klima Automatic) is probably one of the systems that will cause you some major headaches over the course of your E32 ownership. The system seems really complex, but once you get a better […]

Article by: Johan Applies to: all e32 and e34 models. Problem: There is no air coming from the rear ventilation ducts. Background info: The rear air ducts will only blow fresh air or air conditioned air. So there will be no heat coming from this duct. There are two wires […]

Article by: Toni Kosec Applies to: all e32 and e34 models – that are equipped with a cabin micro filter (not all are). Problem: The air conditioner micro filter gets clogged up over time with all the dirt that would otherwise end up inside the IHKA/IHKR system or your car. […]

Article by: Johan Applies to: all e32 and e34 models. Problem: Only cold air comes from the center vents. There have been discussions on various message boards that this is supposed to be normal. Granted it’s not supposed to blow out hot air, like the demister and foot well vents, […]

Article by: Johan Models: All E32s and E34s with an R12 air conditioning system. Includes E31 models with the V12 engine. Problem: My air conditioning system was empty when I bought the car. I had it charged by a so called “air conditioning specialist”. All they did was put in […]

Article by: Johan Article applies to: all e32 and e34 models.   Problem: My R12 air conditioner system was leaky when I got the car. Upon converting it to R134a I decided that the best way to go was to replace all of the O-rings in the system. Replacing the […]