BMW E46 Fanatics Forum banner

final stage

  1. DIY: Final Stage Resistor - Cabin Fan controller

    DIY: Do It Yourself
    Here's my DIY on replacing the Final Stage Unit (Resistor). I know there's other DIYs on this, but i tried to create one with better pictures. It can be a little confusing when you're trying to replace the unit. A failing Final Stage Resistor will cause the cabin fan to blow at sporadic...