= FAIL The auto bed leveling readings just didn't seem right. So I did a test. I ran g29. Then added a magnet in the far right corner. Ran G29. Removed the magnet. Ran G29. Here are my results: (pay attention to column 4, row 3) 1st Run: no magnet: SENDING:G29
Bilinear Leveling Grid:
 0 1 2 3 4
 0 +0.795 +0.362 +0.227 +0.553 +1.102
 1 +0.438 +0.102 +0.012 +0.250 +0.765
 2 +0.025 -0.370 -0.442 -0.205 +0.305
 3 -0.573 -0.952 -1.102 -0.843 -0.365 2nd Run: with magnet: SENDING:G29
Bilinear Leveling Grid:
 0 1 2 3 4
 0 +0.827 +0.370 +0.227 +0.555 +1.125
 1 +0.462 +0.105 -0.005 +0.235 +0.775
 2 +0.032 -0.382 -0.462 -0.220 +0.312
 3 -0.578 -0.963 -1.132 -0.860 -0.645 3rd Run: no magnet: SENDING:G29
Bilinear Leveling Grid:
 0 1 2 3 4
 0 +0.838 +0.365 +0.220 +0.553 +1.135
 1 +0.467 +0.107 -0.005 +0.232 +0.780
 2 +0.035 -0.382 -0.462 -0.223 +0.307
 3 -0.575 -0.963 -1.132 -0.857 -0.360 So magnetic flex plate is out.