Thread: no heat
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Old 11-27-2012, 07:07 AM   #6
jfoj
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 9,525
My Ride: '06 330CiC, '03 M5
There have been a few posts lately where the heater control valve were clogged or defective.

You will get codes when disconnecting sensors or other control parts, this can be normal so I would not get too overly concerned.

I would say plan on replacing the heater control valve and hope this resolves your problem.

You may see obvious problems once you remove it??
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