I haven't reached this level yet so I can't confirm
Per tweet
Competitive Pass Update:
The team has addressed an issue where players would reach level 37 in the Competitive Pass and not receive the intended reward.
đź“ŚPlayers who reached level 37 on the Competitive Pass before 11:50 am ET on September 9th will receive a 87 BND Headliners Pack.
This makegood has begun to distribute to affected users.
Thank you.