VEVOR 14 pcs Universal Radiator Pressure Tester Kit, Coolant Pressure Tester Kit with Manual Pump and Color-coded Steel Test Cap Adapters, with Toolbox, For Cars Motorcycles Trucks Cooling System
Dear customer,
Yes, this kit works on your 1994 BMW 325is E36.
The radiator cap style is standard for E36, and our kit includes adapter No.10 listed for BMW, which fits your cooling system.
Yes, this kit is compatible with your 2006 Pontiac Grand Prix 3.8L as it includes the necessary adapters for standard GM cooling systems.
You will use the specific adapter designed for GM threaded or "bayonet" style radiator necks to perform both the pressure test and the vacuum refill.
if this answer does not resolve the current issue, please contact us again for assistance.