i have a 97 328 and it has a coolent leak...it will drive great for awhile then the engine will just get hotter from there...how much will this cost to fix and what do i need 2 replace... anyone here do work on the side...i bought a boush alt and got installed from some guy about two months ago




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. bmw's have plastic radiators, plastic expansion tanks, plastic air bleeder screws, plastic thermostat housings, it's not uncommon for any one of those to leak, and you can't rule out the water pump, a hose, or even the clamps for that matter either.
. First car overheated and blew the HG. I ended up getting another motor since the cost of repairing the BHG was as much as one. Imo, change out all those plastic shit coolant pieces, especially the water pump that you mentioned. It puzzles me why Bmw would use that for the coolant system
