Values in this file were last calculated Dec 17, 2017

Here are the coordinates your character is positioned upon BCNM entry. "ZoneID.battlefieldInstance"

{
   "6.1":{
      "x":-440.113,
      "y":-0.1933,
      "z":836.137
   },
   "6.2":{
      "x":-199.231,
      "y":-0.421,
      "z":432.078
   },
   "6.3":{
      "x":-599.563,
      "y":-0.4419,
      "z":152.405
   },
   "8.1":{
      "x":-634.9641,
      "y":-0.173,
      "z":-524.088
   },
   "8.2":{
      "x":-74.389,
      "y":-0.3127,
      "z":35.313
   },
   "8.3":{
      "x":404.66,
      "y":-0.1061,
      "z":517.479
   },
   "10.1":{
      "x":-300.212,
      "y":-48.0177,
      "z":220.05
   },
   "10.2":{
      "x":-60.222,
      "y":-8.0162,
      "z":-59.998
   },
   "10.3":{
      "x":219.955,
      "y":31.9897,
      "z":-340.014
   },
   "13.1":{
      "x":-530.269,
      "y":120,
      "z":-99.96
   },
   "13.2":{
      "x":-50.287,
      "y":0,
      "z":-100.023
   },
   "13.3":{
      "x":429.682,
      "y":-120,
      "z":-100.019
   },
   "17.1":{
      "x":-240.002,
      "y":-62,
      "z":-36.082
   },
   "17.2":{
      "x":0.056,
      "y":-2,
      "z":-36.217
   },
   "17.3":{
      "x":240.059,
      "y":58,
      "z":-36.185
   },
   "19.1":{
      "x":-240.008,
      "y":58,
      "z":36.168
   },
   "19.2":{
      "x":-0.007,
      "y":-2,
      "z":36.131
   },
   "19.3":{
      "x":239.989,
      "y":-62,
      "z":36.143
   },
   "21.1":{
      "x":-240.033,
      "y":58,
      "z":36.142
   },
   "21.2":{
      "x":-0.026,
      "y":-2,
      "z":36.158
   },
   "21.3":{
      "x":239.973,
      "y":-62,
      "z":36.173
   },
   "23.1":{
      "x":-240.065,
      "y":58,
      "z":36.134
   },
   "23.2":{
      "x":-0.078,
      "y":-2,
      "z":36.199
   },
   "23.3":{
      "x":240.006,
      "y":-62,
      "z":36.235
   },
   "31.1":{
      "x":-529.267,
      "y":80.2717,
      "z":-0.786
   },
   "31.2":{
      "x":74.322,
      "y":0.107,
      "z":-1.212
   },
   "31.3":{
      "x":671.483,
      "y":-79.6816,
      "z":-0.356
   },
   "32.1":{
      "x":-780.01,
      "y":-103.3477,
      "z":-86.327
   },
   "32.2":{
      "x":-140.029,
      "y":-23.3477,
      "z":-446.376
   },
   "32.3":{
      "x":499.947,
      "y":56.6523,
      "z":-806.3
   },
   "36.1":{
      "x":-520.043,
      "y":-120,
      "z":493.778
   },
   "36.2":{
      "x":520.361,
      "y":0,
      "z":493.3
   },
   "36.3":{
      "x":-519.6,
      "y":120,
      "z":-545.663
   },
   "139.1":{
      "x":-316.305,
      "y":113.0982,
      "z":-102.572
   },
   "139.2":{
      "x":-76.37,
      "y":-6.9111,
      "z":77.398
   },
   "139.3":{
      "x":163.623,
      "y":-126.9276,
      "z":257.232
   },
   "144.1":{
      "x":-262.139,
      "y":60.3048,
      "z":-139.863
   },
   "144.2":{
      "x":-61.865,
      "y":0.3048,
      "z":20.101
   },
   "144.3":{
      "x":138.085,
      "y":-59.6952,
      "z":140.083
   },
   "146.1":{
      "x":-139.204,
      "y":55.8855,
      "z":-140.577
   },
   "146.2":{
      "x":21.027,
      "y":-4.1145,
      "z":59.347
   },
   "146.3":{
      "x":180.855,
      "y":-64.1145,
      "z":259.422
   },
   "163.1":{
      "x":-260.043,
      "y":-32,
      "z":279.894
   },
   "163.2":{
      "x":19.971,
      "y":0,
      "z":-0.074
   },
   "163.3":{
      "x":300.034,
      "y":31.9991,
      "z":-320.507
   },
   "165.1":{
      "x":-441.596,
      "y":-167,
      "z":-240.182
   },
   "165.2":{
      "x":-761.545,
      "y":-407,
      "z":-480.173
   },
   "165.3":{
      "x":-1081.3831,
      "y":-647,
      "z":-720.158
   },
   "168.1":{
      "x":-0.039,
      "y":97.125,
      "z":-306.483
   },
   "168.2":{
      "x":-0.014,
      "y":-2.875,
      "z":-66.402
   },
   "168.3":{
      "x":0.016,
      "y":-102.875,
      "z":173.852
   },
   "170.1":{
      "x":383.134,
      "y":47.5,
      "z":-419.967
   },
   "170.2":{
      "x":-16.963,
      "y":9.5,
      "z":-20
   },
   "170.3":{
      "x":-336.809,
      "y":-52.5,
      "z":340.007
   },
   "179.1":{
      "x":0,
      "y":200,
      "z":-384.485
   },
   "179.2":{
      "x":0,
      "y":0,
      "z":15.273
   },
   "179.3":{
      "x":0,
      "y":-200,
      "z":415.999
   },
   "180.1":{
      "x":8.116,
      "y":-33.3304,
      "z":-108.421
   },
   "180.2":{
      "x":-540.596,
      "y":-257.2814,
      "z":-66.026
   },
   "180.3":{
      "x":499.384,
      "y":-332.2809,
      "z":-43.322
   },
   "181.1":{
      "x":-95.084,
      "y":-22.8615,
      "z":-25.003
   },
   "181.2":{
      "x":393.202,
      "y":-26.0002,
      "z":669.509
   },
   "181.3":{
      "x":442.485,
      "y":-8.9542,
      "z":-690.197
   },
   "201.1":{
      "x":497.15,
      "y":55.5514,
      "z":-432.836
   },
   "201.2":{
      "x":17.265,
      "y":-4.4497,
      "z":-32.837
   },
   "201.3":{
      "x":-382.79,
      "y":-64.4406,
      "z":447.036
   },
   "202.1":{
      "x":497.227,
      "y":55.5571,
      "z":-432.932
   },
   "202.2":{
      "x":17.275,
      "y":-4.4437,
      "z":-32.927
   },
   "202.3":{
      "x":-382.839,
      "y":-64.4453,
      "z":447.113
   },
   "203.1":{
      "x":497.297,
      "y":55.5392,
      "z":-432.677
   },
   "203.2":{
      "x":17.367,
      "y":-4.4521,
      "z":-32.817
   },
   "203.3":{
      "x":-382.794,
      "y":-64.4596,
      "z":447.319
   },
   "206.1":{
      "x":-400.114,
      "y":-199.5,
      "z":496.501
   },
   "206.2":{
      "x":-0.041,
      "y":0.5,
      "z":96.6
   },
   "206.3":{
      "x":399.914,
      "y":200.5,
      "z":-303.176
   },
   "207.1":{
      "x":497.278,
      "y":55.5527,
      "z":-432.874
   },
   "207.2":{
      "x":17.202,
      "y":-4.4435,
      "z":-32.919
   },
   "207.3":{
      "x":-382.672,
      "y":-64.4543,
      "z":447.223
   },
   "209.1":{
      "x":497.259,
      "y":55.5602,
      "z":-432.983
   },
   "209.2":{
      "x":17.166,
      "y":-4.4446,
      "z":-32.898
   },
   "209.3":{
      "x":-382.703,
      "y":-64.4439,
      "z":447.072
   },
   "211.1":{
      "x":497.256,
      "y":55.5501,
      "z":-432.833
   },
   "211.2":{
      "x":17.196,
      "y":-4.4411,
      "z":-32.954
   },
   "211.3":{
      "x":-382.79,
      "y":-64.4443,
      "z":447.092
   }
}

======================================================

And here are the offsets, from battlefield instance 1, of all other instances.  That is, if a specific mob is at 0,0,0 in instance 1,
you would add these offsets to find the matching mob's coordinates in instances 2 and 3.

{
   "6.2":{
      "x":240.882,
      "y":-0.228,
      "z":-404.059
   },
   "6.3":{
      "x":-159.45,
      "y":-0.249,
      "z":-683.732
   },
   "8.2":{
      "x":560.575,
      "y":-0.14,
      "z":559.401
   },
   "8.3":{
      "x":1039.624,
      "y":0.067,
      "z":1041.567
   },
   "10.2":{
      "x":239.99,
      "y":40.002,
      "z":-280.048
   },
   "10.3":{
      "x":520.167,
      "y":80.007,
      "z":-560.064
   },
   "13.2":{
      "x":479.982,
      "y":-120,
      "z":-0.063
   },
   "13.3":{
      "x":959.951,
      "y":-240,
      "z":-0.059
   },
   "17.2":{
      "x":240.058,
      "y":60,
      "z":-0.135
   },
   "17.3":{
      "x":480.061,
      "y":120,
      "z":-0.103
   },
   "19.2":{
      "x":240.001,
      "y":-60,
      "z":-0.037
   },
   "19.3":{
      "x":479.997,
      "y":-120,
      "z":-0.025
   },
   "21.2":{
      "x":240.007,
      "y":-60,
      "z":0.016
   },
   "21.3":{
      "x":480.006,
      "y":-120,
      "z":0.031
   },
   "23.2":{
      "x":239.987,
      "y":-60,
      "z":0.065
   },
   "23.3":{
      "x":480.071,
      "y":-120,
      "z":0.101
   },
   "31.2":{
      "x":603.589,
      "y":-80.165,
      "z":-0.426
   },
   "31.3":{
      "x":1200.75,
      "y":-159.953,
      "z":0.43
   },
   "32.2":{
      "x":639.981,
      "y":80,
      "z":-360.049
   },
   "32.3":{
      "x":1279.957,
      "y":160,
      "z":-719.973
   },
   "36.2":{
      "x":1040.404,
      "y":120,
      "z":-0.478
   },
   "36.3":{
      "x":0.443,
      "y":240,
      "z":-1039.441
   },
   "139.2":{
      "x":239.935,
      "y":-120.009,
      "z":179.97
   },
   "139.3":{
      "x":479.928,
      "y":-240.026,
      "z":359.804
   },
   "144.2":{
      "x":200.274,
      "y":-60,
      "z":159.964
   },
   "144.3":{
      "x":400.224,
      "y":-120,
      "z":279.946
   },
   "146.2":{
      "x":160.231,
      "y":-60,
      "z":199.924
   },
   "146.3":{
      "x":320.059,
      "y":-120,
      "z":399.999
   },
   "163.2":{
      "x":280.014,
      "y":32,
      "z":-279.968
   },
   "163.3":{
      "x":560.077,
      "y":63.999,
      "z":-600.401
   },
   "165.2":{
      "x":-319.949,
      "y":-240,
      "z":-239.991
   },
   "165.3":{
      "x":-639.787,
      "y":-480,
      "z":-479.976
   },
   "168.2":{
      "x":0.025,
      "y":-100,
      "z":240.081
   },
   "168.3":{
      "x":0.055,
      "y":-200,
      "z":480.335
   },
   "170.2":{
      "x":-400.097,
      "y":-38,
      "z":399.967
   },
   "170.3":{
      "x":-719.943,
      "y":-100,
      "z":759.974
   },
   "179.2":{
      "x":0,
      "y":-200,
      "z":399.758
   },
   "179.3":{
      "x":0,
      "y":-400,
      "z":800.484
   },
   "180.2":{
      "x":-548.712,
      "y":-223.951,
      "z":42.395
   },
   "180.3":{
      "x":491.268,
      "y":-298.951,
      "z":65.099
   },
   "181.2":{
      "x":488.286,
      "y":-3.139,
      "z":694.512
   },
   "181.3":{
      "x":537.569,
      "y":13.907,
      "z":-665.194
   },
   "201.2":{
      "x":-479.885,
      "y":-60.001,
      "z":399.999
   },
   "201.3":{
      "x":-879.94,
      "y":-119.992,
      "z":879.872
   },
   "202.2":{
      "x":-479.952,
      "y":-60.001,
      "z":400.005
   },
   "202.3":{
      "x":-880.066,
      "y":-120.002,
      "z":880.045
   },
   "203.2":{
      "x":-479.93,
      "y":-59.991,
      "z":399.86
   },
   "203.3":{
      "x":-880.091,
      "y":-119.999,
      "z":879.996
   },
   "206.2":{
      "x":400.073,
      "y":200,
      "z":-399.901
   },
   "206.3":{
      "x":800.028,
      "y":400,
      "z":-799.677
   },
   "207.2":{
      "x":-480.076,
      "y":-59.996,
      "z":399.955
   },
   "207.3":{
      "x":-879.95,
      "y":-120.007,
      "z":880.097
   },
   "209.2":{
      "x":-480.093,
      "y":-60.005,
      "z":400.085
   },
   "209.3":{
      "x":-879.962,
      "y":-120.004,
      "z":880.055
   },
   "211.2":{
      "x":-480.06,
      "y":-59.991,
      "z":399.879
   },
   "211.3":{
      "x":-880.046,
      "y":-119.994,
      "z":879.925
   }
}