Topic: Air Conditioning & Heat

Microfilter Replacement

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. […]

Air Conditioner Seals

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 Expansion […]

AC R134a Retrofit

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 […]