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      11-21-2011, 02:53 PM   #8
raceyBMW
king of the hills
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Drives: 335i coupe
Join Date: Dec 2006
Location: Denver, CO

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1994 530i  [4.25]
2007 335i Coupe  [4.07]
Quote:
Originally Posted by Jeff@topgearsolutions View Post
BMW's alone are notorious for water pump failures.
The old ones yes, but I don't know if anyone can say that about the new electric water pumps. They don't seem to be too prevalent...yet.

Seems the 328's and 330's have them fail just as much as the 335's, so I don't think its a problem with being tuned. For the OP's case, very possible you just got a bad unit, or maybe another side issue that's causing it to work too hard and prematurely failing.