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      02-24-2011, 07:14 PM   #9
santov
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Drives: 2007 Z4 3.0si White over Beige
Join Date: Dec 2010
Location: Bay Area, Calif

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Quote:
Originally Posted by plblair View Post
Well, as a result of your excellent write-up I'm going to try this myself I think. My only question is whether my 2005 2.5i has the electric water pump with "vent mode." Anyone know where I can find out about that?
I looked in TIS and a 2005 roadster has either M54 or N52 engine. If you have the N52 engine you have the electric waterpump. If you have the M54 you have the belt water pump and get to do the above steps to "flush".

If you want PM me your last 7 digits of the VIN and I can confirm in TIS.
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