Quote:
Originally Posted by Chaach009
I just installed Mr12volt dsp in my 09 e92 335i. It works great and thought it was all good but ran into a little hiccup after the install. My A/C is acting weird. It feels like it is only controlling the blower. When I try to change the direction of the air to the floor the button lights up but nothing happens and air still comes out the top. Condenser isn’t turning on either, even with the snowflake button lit. I checked the connections and they look fine so not sure what the issue could be. I know the unit doesn’t involve the ac control so I must have screwed something up putting it back together. Any thoughts on how to fix this?
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Check that all 3 harnesses are plugged in behind your climate control panel.
M3s have 3, not sure if yours will be different.