06-02-2010, 02:35 PM
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Member
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Join Date: Apr 2008
Location: Kirkland, WA to Alexandria, VA - Now in Marysville, WA
Posts: 4,001
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Quote:
Originally Posted by haigha
Thank you for the link and the information, rph74. That is very helpful 
The Bentley manual calls this the Heater valve (replacement on page 640-13). Unfortunately, it requires draining the coolant. On the plus side, the part is only ~$170.
Edit: BTW, for the 04+ at least, the part number is different. Here is the RealOEM diagram for the N62 engine:
http://www.realoem.com/bmw/showparts...12&hg=64&fg=18 |
RealOEM doesn't show actually pricing...expect more in the $300-$400 range. I've been able to disassemble and rebuild a few for customers over the years, but there have been some that deteriorated so badly that there was no saving them. These fail mostly due to people using the improper type of coolant, so sediment builds up and clogs up/deteriorates the seals within the valve. Mind you I haven't updated this site in forever, but there are a few pics of valves that I've rebuilt. Boise Bimmer Service - - Kevin - 99 740iL
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