Complete loss of power when attempting to crank motor

[crstibr]

Hello !
So i’m getting ready to start my m52 swapped e30 and im having a strange issue.
as soon as i attempt to start the car, the starter clicks and all power is lost (no lights ect);...

[DomJK]

I've got a 2000 528i with double vanos (M52TUB28) and I was wondering what parts would I be able to use if I wanted to build or buy a stroker kit as my motor is getting weak and needs a rebuild plus I'm...

[BeardednBimmer32]

Hey fellas I'm having a hard time wrapping up this e30 m50 OBD2 swap. I'm getting spark, fuel, I'm pretty sure everything is grounded accordingly but, the fuel injectors are not firing. I swapped with...