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      12-07-2009, 06:06 PM   #13
06E90Rostik
2006 join date crew
 
Drives: 2006 325i, 2011 335i
Join Date: Feb 2006
Location: CA, Sacramento

Posts: 1,470
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2011 335i  [5.00]
2006 325i  [0.00]
Quote:
Originally Posted by AlanAZ View Post
Bentley recommends replacing the O-ring on the drain plug, which is not listed a separate part. I just replaced the entire plug, they are just a few dollars. Torque to 22in-lb.

Also, BMW warns not to subject the pump to straight coolant, it must be mixed with water outside the engine.

For service in Arizona, I went to 60/40 water/coolant with 1 bottle Redline water wetter.
Can you tell the part # for the plug, I have spend like 30 minutes looking at diagrams on realoem.com with no luck. Will do this DIY on my Christmas break along with oil change
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