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      02-13-2013, 11:30 PM   #10
Volasko
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Drives: 2006 E90 330i BSM 6MT ZSP
Join Date: Dec 2010
Location: Toronto

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Quote:
Originally Posted by asianstutter View Post
I bought my 06 330xi used at 107000km. How can you find out if the water pump has been changed? now i'm at 117,000
Check to see if the T-stat is plastic or aluminum. It is common to swap the t-stat when you do the pump and the updated design is plastic vs the originals aluminum. If you have an 06 and your t-stat is plastic someone must have swapped it already. See this thread for more detail:
http://www.e90post.com/forums/showthread.php?t=347412

the 9th pic is the t-stat shown in the original aluminum material. The 20th pic shows the updated plastic design.