Blood Drive is the 17th chapter/17th mission in Borderlands 3. This mission is unlocked after the completion of the mission
Cold as the Grave. The recommended level for this mission is 28, and the mission that follows it is
Angels and Speed Demons. For those that need a step-by-step style walkthrough; IGN's Wiki guide has got you covered.
https://www.ign.com/wikis/borderlands-3/Blood_DriveFor those that prefer a more
visual guide; YouTuber "ZaFrostPet" has got you covered.