HOW TO ADD COOLANT ANTIFREEZE ON BMW F30 F31 F32 F33 F36 328i 335i 320i 438i 435i 440i 318i 318d 320If you need to add coolant antifreeze on BMW F30 F31 F32
Step 1: Locate underhood fuse/relay box. Visually identify the underhood fuse/relay box. The box is typically located on either the driver or passenger side of the engine compartment near the fender. Step 2: Remove the fuse/relay box cover. Remove the cover from the top of the underhood fuse/relay box. In this case you would need to diagnose the circuit of the turbocharger coolant pump. The 30A fuse is located in the engine bay at the firewall (passenger side) just on top of the IHKA blower housing, The fuse only powers up the engine control computer and the coolant pump. I attached the wiring diagram for you to review. HLIYOrK.