Oil reloction plate made for M104 engine model
According to internet this also fit
M103/ OM601/ OM602/ OM603/ OM606
 
Plate comes with two M12x1,5 holes, one 1/8" two M22x1,5 
Stock oil pressure sensor can be used in upper left corner M12 hole, oil feed to turbo from the other M12 hole. temp sensor from 1/8" threaded hole. 
Left side M22 hole is oil outlet from engine. Right side M22 hole is oil inlet back to the engine. 
 
M22 holes suitable for AN12 connectors
 
Relocation plate comes with 4 mounting bolts.  
Plate is CNC milled out of Aluminium EN6082 T6