BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) - View Single Post - 128i radiator fan loud and constant coolant leaks

spidertri · 07-22-2026, 01:01 PM

My fan got super loud when my water pump failed. I assume it was that the car couldn't detect if the pump was working so it put the fan on full blast for max cooling.

07-22-2026, 01:01 PM	#4
spidertri Lieutenant 698 Rep 577 Posts Drives: 11 128i \| 21 X5 40i Join Date: Sep 2010 Location: Rock Hill, SC iTrader: (1) Garage List 2011 BMW 128i [0.00]	My fan got super loud when my water pump failed. I assume it was that the car couldn't detect if the pump was working so it put the fan on full blast for max cooling. __________________ 11 128i slicktop 19 Alltrack S 21 X5 40iX Msport
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