Quote:
Originally Posted by Uncle_Shlick
I have a 3 series 2011 335xi with the n55, manual trans. I’m also having this weird issue. I replace coolant temp sensor. Havnt replaced Tstat or water pump yet. However I have the stock radiator. I’m also having these problems. Do u block the intake scoops in the kidney grilles with tape?
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If you have stock radiator, I'd suspect the problem is actually the T-stat.