E36 blower motor resistor / final stage unit replacement . Step by step directions with pictures.

64116929540 $20 part on amazon. OEM $175+
This is to fix the intermittent blower issue.
Step1: buy part
Step2: unscrew Dr side dash plastic/ kick panel , 3 phillips screws and yank out
Step3: unclip and remove old unit - 2 T-20 screws
Step3: install new unit, replace paneling
Step4: enjoy your heat/ac again

Hope this helps anyone out there with the same issue.