Just as a reference, here is how Tesla's # of M3 in transit compare with the last week of production in each quarter:
Q4 2017, 860 in transit, last 7 days production 793
Q1 2018, 2040 in transit, last 7 days production 2020
Q2 2018, 11166 in transit, last 7 days production 5031
It seems that #...