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      10-10-2012, 09:00 AM   #9
Drives: Coupe 335i
Join Date: Sep 2012
Location: Edinburg, TX

Posts: 3
iTrader: (0)

It seems like the water pump / Thermostat, I just replaced mine same symptons yellow sign follow by red sign and reduced power. Like other's stated check coolant also test water pump by trying to bleed there are several DIY's here that provide excellent information. Good luck, price around 550 for both w.pump & thermostat. - I did it myself doable but lenghty if never done.
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