In my case the leaking was from the plastic water pump housing which is a common fault for this engine. I replaced the plastic water pump with GRAF PA1359, which is metal housing instead of the OEM plastic one.
I've run the plastic pump on 2 different cars for over 100k no issue, in fact I only changed one because the thermostat went bad and the water pump's reputation. I do have the metal Graf pump now, I like it so far.
Same shit different box. Sometimes the aftermarket takes care of issues as well like bmw and older Audi/Vw plastic water pump impellers, where most aftermarket ones are metal.
I got the graf as well, def better than what the previous owner used
Graf is fine, I've put a bunch of them in 240s over the years, none have failed yet.
Graf is good.
It’s still baffles me how BMW can’t get a quality water pump on its vehicles.
Yeah... That Graf pump did not work out... Had to remove Graf pump and get the proper pump from local VW dealer.
I had a Graf pump as well and it blew up less than a year later, literally the shaft blew off while I was in traffic.
I replaced the water pump in 3/2021. By 2/2022, it started leaking, so I replaced it under warranty. It leaked again in 1/2023, leading to a 3rd replacement. Now, one month in, the new pump is already leaking, this is driving me insane. This will be my 4th replacement in the last 3 yrs! These are GRAF PUMPS.
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