I have finally found a way to make a dependable electric vacuum pump for use with power adders. A bmw 2001- 2006 e46 smog pump bracket, a bmw 1998 - 2001 740il smog pump, and this dc motor speed control from eBay https://rover.ebay.com/rover/0/0/0?mpre ... 3050271784
Use a 90* universal coolant fitting between the stock pcv valve cover grommet, connect the fitting to the pump bottom inlet with heater hose, connect the top pump outlet to any universal breather tank.
Use a 90* universal coolant fitting between the stock pcv valve cover grommet, connect the fitting to the pump bottom inlet with heater hose, connect the top pump outlet to any universal breather tank.